Publications

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Journal Publications
Conference Proceedings
Patents/Inventions

Journal Publications

  1. [PDF] E. Y. Zhu, M. C. Charles, C. Rewcastle, R. Gad, L. Qian and O. Levi, “Real-time ultrasound sensing with a mode-optimized photonic crystal slab”, Optics Letters, 46(14), 3372-3375 (2021)
  2. [PDF] E. Y. Zhu, C. Rewcastle, R. Gad, L. Qian and O. Levi, “Refractive-Index-based ultrasound sensing with photonic crystal slabs”, Optics Letters 44(10) pp. 2609-2612 (2019).
  3. [PDF] D. Ringuette, J. Nauenberg, P. P. Monnier, P. L. Carlen, and O. Levi, “Data compression and improved registration for laser speckle contrast imaging of rodent brains”, Biomed. Opt. Express 9, 5615- 5634 (2018).
  4. [PDF] D. Ringuette, M. A. Jeffrey, S. Dufour, P. L. Carlen, and O. Levi, “Continuous multi-modality brain imaging reveals modified neurovascular seizure response after intervention”, Biomedical Optics Express, 8(2) pp. 873-889 (2017).
  5. [PDF] I. Sigal, M. Koletar, D. Ringuette, R. Gad, M. Jeffrey, P. L. Carlen, B. Stefanovic, and O. Levi, “Imaging brain activity during seizures in freely behaving rats using a miniature multi-modal imaging system”, Biomedical Optics Express, 7(9) pp. 3596-609 (2016).
  6. [PDF] R. Gad, W. T. Lau, C. Nicholaou, S. Ahmadi, I. Sigal and O. Levi, “Tailoring of spectral response and spatial field distribution with corrugated photonic crystal slab”, Optics Letters, 40(16) pp. 3715-8 (2015).
  7. [PDF] D. Ringuette, I. Sigal, R. Gad, and O. Levi, “Reducing misfocus-related motion artefacts in laser speckle contrast imaging”, Biomedical Optics Express, 6(1), pp. 266-76 (2015).
  8. [PDF] C. Nicholaou, W. T. Lau, R. Gad, H. Akhavan, R. Schilling, and O. Levi, “Enhanced Detection Limit by Dark Mode Perturbation in 2D Photonic Crystal Slab Refractive Index Sensors”, Optics Express, 21(25), pp. 31698-31712 (2013).
  9. [PDF] I. Sigal, R. Gad, A. M. Caravaca, Y. Atchia, D. B. Conkey, R. Piestun, and O. Levi, “Laser Speckle Contrast Imaging with Extended Depth of Field for in-vivo Tissue Imaging”, Biomed. Opt. Express, 5(1), pp. 123-135 (2014).
  10. [PDF] Suzie Dufour, Yaaseen Atchia, Raanan Gad, Dene Ringuette, Iliya Sigal and Ofer Levi. “Evaluation of laser speckle contrast imaging as an intrinsic method to monitor blood brain barrier integrity.” Biomedical Optics Express, 4(10): 1856-75 (2013)
  11. [PDF] Thomas D. O’Sullivan, Roxana T. Heitz, Natesh Parashurama, David B. Barkin, Bruce A. Wooley, Sanjiv S. Gambhir, James S. Harris, and Ofer Levi “Real-time, continuous, fluorescence sensing in a freely-moving subject with an implanted hybrid VCSEL/CMOS biosensor” Biomedical Optics Express, 4(8): 1332-41 (2013).
  12. [PDF] Yaaseen Atchia, Hart Levy, Suzie Dufour and Ofer Levi, “Rapid Multi-Exposure in-vivo Brain Imaging System using VCSELs as a Light Source” Applied Optics, 52(7): C64-C71 (2013).
  13. [PDF] Natesh Parashurama, Thomas D. O’Sullivan, Adam De La Zerda, Pascale El Kalassi, Seongjae Cho, Hongguang Liu, Robert Teed, Hart Levy, Jarrett Rosenberg, Zhen Cheng, Ofer Levi, James S. Harris and Sanjiv S. Gambhir. “Continuous sensing of tumor-targeted molecular probes with a vertical cavity surface emitting laser-based biosensor.” Journal of Biomedical Optics, 17(11): 117004-117004 (2012).
  14. [PDF] H. Levy, D. Ringuette, and O. Levi, “Rapid monitoring of cerebral ischemia dynamics using laser- based optical imaging of blood oxygenation and flow”, Biomedical Optics Express, Vol. 3, Issue 4, pp. 777- 791 (2012).
  15. [PDF] E. A. Munro, H. Levy, D. Ringuette, T. D. O’Sullivan, and O. Levi, “Multi-modality optical neural imaging using coherence control of VCSELs”, Optics Express, Vol. 19, Issue 11, pp. 10747-10761 (2011).
  16. [PDF] M. El Beheiry, V. Liu, S. Fan, and O. Levi, “Sensitivity Enhancement in Photonic Crystal Slab Biosensors”, Optics Express, 18(22), 22702-22714 (2010).
  17. [PDF] T. O’Sullivan, E. A. Munro, N. Parashurama, C. Conca, S. S. Gambhir, J. S. Harris, and O. Levi, “Implantable semiconductor biosensor for continuous in vivo sensing of far-red fluorescent molecules,” Optics Express, 18(12), 12513-12525 (2010).
  18. O. Levi, T. T. Lee, M. M. Lee, S. J. Smith, and James S. Harris, “Integrated Semiconductor Optical Sensors for Cellular and Neural Imaging”, Appl. Optics, 46(10), pp. 1881-1889 (2007).
  19. S. E. Bisson, T. J. Kulp, O. Levi, J. S. Harris and M.M. Fejer, “Long-wave IR chemical sensing based on difference frequency generation in orientation-patterned GaAs”, Appl. Phys. B – Lasers and Optics, 85 (2- 3), pp. 199-206 (2006).
  20. E. Thrush, O. Levi, L. J. Cook, J. Deich, A. Kurtz, S. J. Smith, W. E. Moerner and J. S. Harris Jr., “Monolithically integrated semiconductor fluorescence sensor for microfluidic applications”, Sens. Actuators B: Chemical, 105, pp. 393-399 (2005).
  21. K. L. Vodopyanov, O. Levi, P. S. Kuo, T. J. Pinguet, J. S. Harris, M. M. Fejer, B. Gerard, L. Becouarn, and E. Lallier, “Optical parametric oscillation in quasi-phase-matched GaAs”, Opt. Lett. 29, pp. 1912-1914 (2004).
  22. X. Yu, P. S. Kuo, K. Ma, O. Levi, M. M. Fejer, and James S. Harris, Jr.” Single-phase growth studies of GaP on Si by solid-source molecular beam epitaxy”, J. Vac. Sci. Technol. B, 22(3), pp. 1450-1454, (2004).
  23. E. Thrush, O. Levi, W. Ha, G. Carey, L. J. Cook, J. Deich, S. J Smith, W. E. Moerner, and J. S. Harris, “Integrated Semiconductor Vertical-Cavity Surface-Emitting Lasers and PIN Photodetectors for Bio- Medical Fluorescence Sensing”, IEEE J. Quant. Electronics, 40(5), pp. 491-498 (2004).
  24. T. Skauli, P. S. Kuo, K. L. Vodopyanov, T. J. Pinguet, O. Levi, L.A. Eyres, J. S. Harris, M. M. Fejer, B. Gerard, L. Becouarn, E. Lallier, ”Improved dispersion relations for GaAs and applications to nonlinear optics”, J. Appl. Phys. 94(10), pp. 6447-6455, (2003).
  25. E. Thrush, O. Levi, W. Ha, K. Wang, S. J. Smith, and J. S. Harris Jr. “Integrated Bio-Fluorescence Sensor”, J. Chrom. A, 1013, pp. 103-110 (2003).
  26. X. Yu, L. Scaccabarozzi, O. Levi, T. J. Pinguet, M. M. Fejer, and J. S. Harris Jr. “Template design and fabrication for low loss orientation-patterned nonlinear AlGaAs waveguides pumped at 1.55 um”, J. Crystal Growth, 251, pp. 794-799 (2003).
  27. O. Levi, T. J. Pinguet, T. Skauli, L. A. Eyres, K. R. Parameswaran, J. S. Harris Jr., M. M. Fejer, T. J. Kulp, S. E. Bisson, B. Gerard, E. Lallier, and L. Becouarn, “Difference-frequency generation of 8-um radiation in orientation-patterned GaAs crystal”, Opt. Lett. 27, pp. 2091-2093 (2002).
  28. T. J. Kulp, S. E. Bisson, R. P. Bambha , T. A. Reichardt , U. B. Goers, K. W. Aniolek , D. A. V. Kliner, B. A. Richman, K. M. Armstrong, R. Sommers, R. Schmitt, P. E. Powers, O. Levi, T. J. Pinguet , M. M. Fejer, J. P. Koplow, L. Goldberg, T. G. Mcrae, “The application of quasi-phase-matched parametric light sources to practical infrared chemical sensing systems”, Appl. Phys. B – Lasers and Optics, 75, pp. 317-327 (2002).
  29. T. Skauli, K. L. Vodopyanov, T. J. Pinguet, A. Schober, O. Levi, L.A. Eyres, M. M. Fejer, J. S. Harris, B. Gerard, L. Becouarn, and E. Lallier, “Measurement of nonlinear coefficient of orientation-patterned GaAs and demonstration of highly efficient second harmonic generation”, Opt. Lett. 27, pp. 628-630 (2002).
  30. A. Donval, D. Josse, G. Kranzelbinder, R. Hierle, E. Toussaere, J. Zyss, G. Perpelitsa, O. Levi, D. Davidov, I. Bar-Nahum, R. Neumann, “Photo-luminescence in a conjugated polymer/glass composite film”, Synth. Metals 124 (1) pp. 59-61 (2001).
  31. O. Levi, A. V. Yakimov, H. Nassar, D. Davidov, S. Pfeiffer, and H. H. Horhold, “Polymer and cathode emission studies of polymer-based light-emitting diodes under strong electrical pulse excitation”, J. Appl. Phys. 88, pp. 2548-2552 (2000).
  32. O. Levi, G. Perepelitsa, D. Davidov, S. Shalom, I. Benjamin R. Neumann, A. J. Agranat, and Y. Avny, “A photo-oxidation mechanism for patterning and hologram formation in conjugated polymer/glass composites “, J. Appl. Phys. 88, pp. 1236-1243 (2000).
  33. O. Levi, S. Shalom, I. Benjamin, G. Perepelitsa, A. J. Agranat, R. Neumann, Y. Avny, and D. Davidov, “Conjugated Polymeric Composites for Holographic Storage”, Synth. Metals 102, pp. 1178-81 (1999).
  34. O. Levi, G. Perepelitsa, D. Davidov, A. J. Agranat, I. Benjamin, S. Shalom, R. Neumann, and Y. Avny, “Holographic storage in conjugated-polymers composites”, Phys. Rev. B 57 (20), pp. R12647-12650, (1998).
  35. E. Z. Faraggi, Y. Sorek, O. Levi, Y. Avny, D. Davidov, R. Neumann, and R. Reisfeld, “New Conjugated Polymer/Sol-Gel Glass Composites: Luminescence and Optical Waveguides”, Adv. Mater. , 8, pp. 833-837 (1996).

Conference Proceedings

  1. [PDF] L. Kuramoto, R. Chu, D. Ringuette, E. Y. Zhu, A. Mihailidis, and O. Levi, “Multi-Camera Motion Compensation for Remote Monitoring of Heart Rate and Respiration”, Imaging Systems and Applications (IS) conference, paper W6D.5 (July 21, 2021); (oral)
  2. [VIDEO] E. Y. Zhu, L. Qian, and O. Levi, “Ultrasound detection aided by bound states in the continuum”, SPIE Photonics West 2021 conference11642, Photons Plus Ultrasound: Imaging and Sensing 2021, paper 1164221, San Francisco, CA (March 5, 2021) (oral)
  3. [VIDEO] R. Chu, L. Kuramoto, D. Ringuette, E. Y. Zhu, and O. Levi, “Correlation of Near-Infrared Intensity and Depth Channels for Remote Vital Signs Monitoring”, SPIE Photonics West 2021 conference 11651, Optical Diagnostics and Sensing XXI: Toward Point-of-Care Diagnostics, paper 116510F, San Francisco, CA (March 5, 2021); (oral)
  4. [PDF] E. Y. Zhu, L. Qian and O. Levi, “Identifying Optimal Photonic Crystal Sensor Designs with Machine Learning”, in Frontiers in Optics / Laser Science, B. Lee, C. Mazzali, K. Corwin, and R. Jason Jones, eds., OSA Technical Digest (Optical Society of America, 2020), paper FTh2C.5. September 14-17, 20
  5. R. Chu, D. Ringuette, E. Y. Zhu, R. Gad, A. Mihailidis, and O. Levi, “Motion-Tolerant Remote Respiration Monitoring with a Multi-Camera Configuration”, Imaging Systems and Applications (IS), conference, OSA Technical Digest (CD), paper 3395473, Vancouver, BC, (June 24, 2020), (oral)
  6. E. Y. Zhu, M. C. Charles, C. Rewcastle, R. Gad, L. Qian, and O. Levi, “Sensitizing an all-optical ultrasound sensor with a polymer overlayer”, Proc. of the Conference of Lasers and Electro-Optics (CLEO 2020), paper ATh4K.2, San Jose, CA (May 14, 2020) (oral)
  7. E. Y. Zhu, M. C. Charles, C. Rewcastle, R. Gad, L. Qian, and O. Levi, “All-optical ultrasound sensing in photonic crystal slabs aided by PMMA”, SPIE Photonics West 2020 conference, paper 11240-37, San Francisco, CA (February 2020) (oral)
  8. R. Chu, M. A. Downing, A. Srivastava, J. Cafazzo, A. Mihailidis, and O. Levi, “Remote Acquisition of Vital Signs Using Infrared and Depth-Enabled Cameras”, International Neuro-rehab. symposium (NIRS 2019), Toronto, CANADA, paper INRS93 (June 24, 2019) (poster).
  9. E. Y. Zhu, M. C. Charles, C. Rewcastle, R. Gad, L. Qian, and O. Levi, “An Integrated Broadband Ultrasound Sensor based on a Photonic Crystal Slab”, Proc. of the Conference of Lasers and Electro- Optics (CLEO 2019), San Jose, CA, paper SW3L.4 (May 8, 2019) (oral)
  10. D. Ringuette, P. P. Monnier, P. L. Carlen, and O. Levi, “High-precision tomographic registration of laser speckle contrast images from rodent brains”, SPIE Photonics West 2019 conference, paper 10865-11, San Francisco, CA (February 2019) (poster)
  11. E. Y. Zhu, C. Rewcastle, R. Gad, L. Qian and O. Levi, “Sensing ultrasound optically with photonic crystal slabs: a tale of two mechanisms”, SPIE Photonics West 2019 conference, paper 10878-20, San Francisco, CA (February 2019) (oral)
  12. [PDF] E. Y. Zhu, C. Rewcastle, R. Gad, L. Qian and O. Levi, “Ultrasound Sensing with a Photonic Crystal Slab”, Proc. of the Conference of Lasers and Electro-Optics (CLEO 2018), San Jose, CA, paper JTh2A.98, (May 17, 2018) (poster)
  13. [PDF] R. Y. Gu, E. Chou, C. Rewcastle, O. Levi, and J. Kahn, “Improved Spot Formation through Flexible Multimode Fiber Using a Partial Reflector”, Proc. of the Conference of Lasers and Electro-Optics (CLEO 2018), San Jose, CA, paper ATu4J.5, (May 15, 2018) (oral)
  14. [PDF] D. Ringuette, J. Lockwood, A. C. Waspe, P. L. Carlen, P. Monnier, and O. Levi, “Multi-spectral photoacoustic tracking of non-invasive photothrombotic ischemic stroke,” in OSA Biomedical optics (BIOMED 2018) conference, paper BTh2C.3, Hollywood, FL (April 5, 2018) (oral)
  15. [PDF] Lockwood, J., Ringuette, D., Zhou, X., Yucel, Y., and Levi, O. (2017) “Optoacoustic tomographic imaging of myelinated structures in rodent brains.” In Optics and the Brain (pp. 0000-0). Optical Society of America (April. 2-5, 2017). Oral Presentation (San Diego, CA).
  16. [PDF] Tufa, U., Ringuette, D.,Wang, X. F., Levi, O., and Carlen, P. (2017) “Two-photon microscopy imaging of blood brain barrier leakage in fetal alcohol disorder mice.” In Optics and the Brain (pp. 0000-0). Optical Society of America (April. 2-5, 2017). Poster Presentation (San Diego, CA).
  17. Ringuette, D., Carlen, P., and Levi, O. (2016) “Multi-modality Optical Imaging of Temporal and Spatial Dynamics During in vivo Seizure-like Activity.” In Optics and the Brain (pp. BM4D-3). Optical Society of America (April. 25, 2016). Oral Presentation (Fort Lauderdale, FL).
  18. Ringuette, D., Jefrey, M. A., Carlen, P. L. and Levi, O. (2016) “Multi-modal in vivo imaging of brain blood oxygenation, blood flow and neural calcium dynamics during acute seizures.” Proc. SPIE 9690-36, Neural Imaging and Sensing, Neural Imaging II (February 15, 2016). Oral Presentation (San Francisco, CA).
  19. Sigal, I., Gad, R., Koletar, M., Ringuette, D., Stefanovic, B. and Levi, O. (2016) “Chronic monitoring of cortical hemodynamics in behaving, freely-moving rats using a miniaturized head-mounted optical microscope.” Proc. SPIE 9690-35, Neural Imaging and Sensing, Neural Imaging II (February 15, 2016).
  20. Jeffrey, M., Ringuette, D., Gad, R., Sigal, I., Carlen, P. L. and Levi O. (2015) “A novel miniature multimodal imaging system to simultaneously monitor and measure brain ion fluxes, blood flow and oxygenation during seizure-like events in non-anesthetized freely behaving rats.” Neuroscience 2015 (Society for neuroscience 45th annual meeting).
  21. Gad, R., Sigal, I., Ringuette, D., Koletar, M., Stefanovic, B. and Levi, O. (2015) “Miniature device for chronic, label-free multi-modal optical imaging of cortical hemodynamics in rats.” Proc. SPIE 9305, Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics II, 93052H (March 10, 2015).
  22. Ringuette, D., Sigal, I. and Levi, O. (2015) “Robust estimation of vessel misfocus and real-time misfocus correction in laser speckle contrast imaging.” Proc. SPIE 9333, Biomedical Applications of Light Scattering IX, 933302 (March 10, 2015). Oral Presentation (San Francisco, CA).
  23. S. Dufour, D. Ringuette, S. Stern, M. Pettigrew, M. Wu, O. Levi, T. A. Valiante, and P. L. Carlen, “In vivo imaging of neocortical intracellular K+ fluctuations during seizures”, Neuroscience 2013 Abstracts, Society for Neuroscience 2013 (online), paper 6
    26.17/N2, San Diego, CA, (Nov. 2013)
  24. M. Chang, S. Dufour, J. Dian, O. Levi, P. L. Carlen and T. A. Valiante, “Optogenetic control of interneuronal synchrony can generate seizure-like events (sles) in multiple models of epilepsy”, Neuroscience 2013 Abstracts, Society for Neuroscience 2013 (online) paper 6
    27.24 / P1-DP4, San Diego, CA, (Nov. 2013)
  25. S. Dufour, Y. Atchia, R. Gad, P. L. Carlen, and O. Levi, “Laser Speckle Contrast Imaging during Blood Brain Barrier opening”, 7th Annual meeting of the Canadian Association for Neuroscience (CAN 2013), (online), paper 2-G-197, Toronto, CA, (May 2013)
  26. S. Dufour, Y. Atchia, P. Carlen, and O. Levi, “Multimodal Optical Brain Imaging for in vivo Epilepsy Studies”, 2013 European Conferences on Biomedical Optics meeting (ECBO 2013), Munich, Germany, paper ES3A.2 (May 2013)
  27. H. Akhavan, T. W. Lau, C. Nicholaou, R. Schilling, R. Gad, O. Levi, “A New Scheme for Improvement of Index of Refraction Detection Limit in 2D Photonic Crystals”, (CLEO: Science and Innovations, 2013) Optical Society of America
  28. I. Sigal, Y. Atchia, R. Gad, A. Caravaca, D. Conkey, R. Piestun, and O. Levi, “Laser Speckle Contrast Imaging with Extended Depth of Field for Brain Imaging Applications,” in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CTu2M.5.
  29. Y. Atchia, R. Gad, S. Dufour, D. Ringuette, I. Sigal, O. Levi, “Multimodal portable optical neural imaging with VCSELs,” in Advances in Optics for Biotechnology, Medicine and Surgery XIII, ECI Conference Series (Engineering Confer-ences International, 2013), paper abs155s1.
  30. O. Levi, “Multimodal Optical Neural Imaging using VCSELs,” in Imaging and Applied Optics, J. Christou and D. Miller, eds., OSA Technical Digest (online) (Optical Society of America, 2013), paper ITh1D.1.
  31. Y. Atchia, I. Sigal, S. Dufour, R. Gad, and O. Levi, “In-vivo depth evaluation in brain imaging by coherence length tuning of VCSELs,” in Imaging and Applied Optics, J. Christou and D. Miller, eds., OSA Technical Digest (online) (Optical Society of America, 2013), paper ITh2D.4.
  32. S. Dufour, Y. Atchia, H. Levy, D. Ringuette, and O. Levi, “Laser contrast speckle imaging to monitor blood brain barrier integrity,” (FiO 2012), Rochester, NY, paper Fth6C (October 2012)
  33. S. Dufour, Y. Atchia, H. Levy, D. Ringuette, and O. Levi, “Laser contrast speckle imaging to monitor blood brain barrier integrity,” in Frontiers in Optics 2012 – Laser Science XXVIII, OSA Technical Digest (online) (Optical Society of America, 2012), paper FTh4C.5.
  34. Y. Atchia, H. Levy, and O. Levi, “Deviations in Long Exposure Laser Speckle Contrast Imaging: Accounting for Static Scatterers,” in Imaging and Applied Optics Technical Papers, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW4A.3.
  35. Y. Atchia, H. Levy, S. Dufour, and O. Levi, “Speckle contrast at deviations from best focus in microfluidic and in vivo,” in Biomedical Optics and 3-D Imaging, OSA Technical Digest (Optical Society of America, 2012), paper BTu3A.
  36. R. Schilling, D. Aydin, and O. Levi, “Self-Referenced Photonic Crystal Biosensors for in situ Binding Studies,” in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper JTh2A.
  37. D. Ringuette, H. Levy, and O. Levi, “Simultaneous Oxygenation and Flow using current modulation of VCSELs during Ischemia,” in CLEO:2011 – Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CTuF3.
  38. H. Levy, D. Ringuette, and O. Levi, “Multiexposure speckle contrast imaging using current pulsed VCSELs,” in CLEO:2011 – Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JWA
  39. Link Schilling, R., Akhavan, H., and Levi, O. (2012) Studying Split Mesa Photonic Crystal Gratings for Self- referencing in Microfluidic Optical Biosensing. Photonics West 2012, Proceeding of SPIE, paper 8231-23
  40. Link Schilling, R., Aydin, D., Akhavan, H., El Beheiry, M., and Levi, O. (2011) Crossed-polarization Analysis of Guided Modes in Photonic Crystal Slab Biosensors. Optical Sensors, OSA Technical Digest, paper SWB2
  41. Link Akhavan, H., El Beheiry, M., Schilling, R., Aydin, D., and Levi, O. (2011) Evaluation of High Quality Factor Photonic Crystal Slabs for Biosensing. CLEO:2011 – Laser Applications to Photonic Applications, paper JWA105
  42. H. Levy, D. Ringuette, E. Munro, and O. Levi “Multimodal Optical Neural Imaging utilising Coherence Control in VCSELs”, Frontiers in Neurophotonics Conference, Biophotonics world, Quebec City, QC. (2010)
  43. H. Levy, N. Tam, T. O’Sullivan, B. Wilson, G. Zheng, and O. Levi “Portable Deep Tissue Fluorescence utilizing Near Infrared Integrated Biosensors”, Optics Within Life Sciences Conference (OWLS), Biophotonics world, Quebec City, QC. (2010)
  44. M. El Beheiry and O. Levi, “Enhanced sensitivity in optofluidic photonic crystal slab biosensors”, CLEO/QELS 2010 Conference, San Jose, CA, May 20
  45. D. A. A. Ringuette, H. Levy, E. A. Munro, X. Jin, and O. Levi. “Simultaneous Speckle Contrast and Functional Brain Tissue Imaging System”, Biomedical Optics conference (BIOMED), Optical Society of America, Miami, FL. Paper BTuD51 (April 2010).
  46. M. El Beheiry, V. Liu, S. Fan, and O. Levi, “Suspended photonic crystal slabs for biosensing,” Proceedings of SPIE, Photonics West 2010, Vol. 7553, 75530R (2010).
  47. N. Parashurama, T. D. O’Sullivan, A. De La Zerda, E. A. Munro, O. Levi, J. S. Harris, and S. S. Gambhir, “Continuous molecular monitoring of near infrared fluorophore in the tumors of living subjects using a microfabricated, implantable biosensor, WMIC, 2009 World Molecular Imaging Congress, Montreal, CANADA (2009).
  48. T. D. O’Sullivan, E. A. Munro, C. Conca, N. Parashurama, A. De la Zerda, S. S. Gambhir, J. S. Harris, and O. Levi, “Near-Infrared in vivo Fluorescence Sensor with Integrated Dielectric Emission Filter,” Proc. of the Conference of Lasers and Electro-Optics (CLEO 2009), Baltimore, MD, paper JWA49 (2009).
  49. T. D. O’Sullivan, E. A. Munro, A. de la Zerda, N. Parashurama, R. Teed, O. Levi, S. S. Gambhir, and J. S. Harris, “Implantable optical biosensor for in vivo molecular imaging”, Proceedings of the SPIE -The International Society for Optical Engineering 7173, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications IX, San Jose, CA, 7173-09 (2009).
  50. T. D. O’Sullivan, E. A. Munro, O. Levi, and J. S. Harris, “GaAs–based Integrated Fluorescence Bio- Sensors: Progress towards high Rejection of laser excitation light”, IEEE-LEOS International Nano- Optoelectronics Workshop, i-NOW 2008, pp.179-180, Tokyo, Japan (2008).
  51. E. A. Munro, R. M. Henkelman, and O. Levi, “Optical mice – translating MRI images to 3D optical simulation for optical biomedical rodent studies”, Proc. of Photonics North 2008 conference pp. 90, Montreal, Canada, (2008).
  52. T. D. O’Sullivan, A. Wechselberger, O. Levi, and J. S. Harris, “Compact Semiconductor Bioluminescence Bio-sensors,”, in Frontiers in Optics,OSA Technical digest (Optical Society of America), September 2007, San Jose, CA, paper JMD5, (2007).
  53. O. Levi, M. M. Lee, J. Zhang, V. Lousse, S. R. J. Brueck, S. Fan, and J. S. Harris,” Optical Characterization and Sensitivity Evaluation of Guided-Resonances in Photonic Crystal Slabs for Biosensing Applications”, Conference on Lasers and Electro-Optics (CLEO 2007), May 2007, Baltimore, MD, paper CWK3 (2007).
  54. O. Levi, M. M. Lee, J. Zhang, V. Lousse, S. R. J. Brueck, S. Fan, and J. S. Harris, “Sensitivity analysis of a photonic crystal structure for index-of-refraction sensing”, Proceedings of the SPIE-The International Society for Optical Engineering 6447, Nanoscale Imaging, Spectroscopy, Sensing, and Actuation for Biomedical Applications IV, San Jose, CA, paper 6447-25 (2007).
  55. S. E. Bisson, T. J. Kulp, O. Levi, J. Harris, and M. M. Fejer, “Long-Wavelength Infrared Chemical Sensing”, Invited paper, Conference on Lasers and Electro-Optics (CLEO 2006), May 2006, Long Beach, CA, paper CWA4 (2006).
  56. O. Levi, W. Suh, M. M. Lee, J. Zhang, S. R. J. Brueck, S. Fan, and J. S. Harris, “Guided-Resonance in Photonic Crystal Slabs for Biosensing Applications”, Conference on Lasers and Electro-Optics (CLEO 2006), Long Beach, CA, paper CTuK (2006).
  57. O. Levi, T. T. Lee, M. M. Lee, and J. S. Harris, “Integrated Semiconductor Bio-Sensors for In Vivo Cellular and Neural Imaging”, OSA Biomedical Optics Topical Meeting, March 2006, Fort Lauderdale, Florida, paper WF8 (2006).
  58. O. Levi, W. Suh, M. M. Lee, J. Zhang, S. R. J. Brueck, S. Fan, and J. S. Harris, “Integrated biomedical nanosensor using guided resonance in photonic crystal structures”, Proceedings of the SPIE-The International Society for Optical Engineering 6095, Nano/Biophotonics and Biomedical Applications III, San Jose, CA, paper 6095-24 (2006).
  59. O. Levi, P. S. Kuo, X. Yu, J. S. Harris, M. M. Fejer, S. E. Bisson, T. J. Kulp, D. Bliss, and D. Weyburne, “Widely tunable difference frequency generation in a multi-grating orientation-patterned GaAs”, Conference on Lasers and Electro-Optics (CLEO 2005), Baltimore, MD, pp. 1306-1308 (2005).
  60. K. L. Vodopyanov, O. Levi, P. S. Kuo, T. J. Pinguet, J. H. Harris, M. M. Fejer, B. Gerard, L. Becouarn, and E. Lallier, “Optical parametric oscillator based on orientation-patterned GaAs”, Proceedings of the SPIE- The International Society for Optical Engineering 5728, pp. 129-135 Active IO devices, San Jose, CA, (2005).
  61. E. P. Thrush, O. Levi, L. J. Cook, S. J. Smith, J. S. Harris, Jr., “Greater than 106 Optical Isolation in Integrated Optoelectronic Fluorescence Sensor”, Proceedings of the 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS), San Francisco, CA, pp. 2080-2081 (2004).
  62. K. L. Vodopyanov, O. Levi, P. S. Kuo, T. J. Pinguet, J. H. Harris, M. M. Fejer, B. Gerard, L. Becouarn, and E. Lallier, “Optical parametric oscillation in orientation-patterned GaAs”, Invited talk, OSA topical meeting on Nonlinear Optics: Materials, Fundamentals and Applications (NLO 2004), Waikoloa, Hawaii, USA, paper TuA4, (2004).
  63. E. P. Thrush, O. Levi, L. J. Cook, J. Deich, S. J. Smith, W. E. Moerner, J. S. Harris, Jr., ”Integrated semiconductor bio-fluorescence sensor integrated on micro-fluidic platform” Conference on Lasers and Electro-Optics (CLEO 2004), San Francisco, CA, p. CThI3 (2004).
  64. S. E. Bisson, T. J. Kulp, O. Levi, M. M. Fejer, and James S. Harris Jr., “Long-wave infrared chemical sensing based on difference frequency generation in orientation-patterned GaAs”, Conference on Lasers and Electro-Optics (CLEO 2004), San Francisco, CA, p. CMN1 (2004).
  65. K. L. Vodopyanov, O. Levi, P.S. Kuo, T. J. Pinguet, J. S. Harris, M.M. Fejer, B. Gerard, L. Becouarn, E. Lallier, “Optical parametric oscillation in quasi-phasematched GaAs” Conference on Lasers and Electro- Optics (CLEO 2004), San Francisco, CA, 2004, p. CTuA1 (2004).
  66. S. E. Bisson, T. J. Kulp, O. Levi, James S. Harris Jr., and M. M. Fejer., “A broadly tunable high-resolution IR cavity ring-down spectrometer based on difference frequency generation in orientation-patterned GaAs”, Proceedings of the SPIE-The International Society for Optical Engineering 5337, Nonlinear Applications, San Jose, CA, pp. 112-116 (2004).
  67. E. Thrush, O. Levi, L. J. Cook, W. Ha, J. Deich, S. J. Smith, W. E. Moerner, and James Harris Jr. “Laser background characterization in a monolithically integrated bio-fluorescence sensor”, Proceedings of the SPIE-The International Society for Optical Engineering 5318, Advanced Biomedical and Clinical Diagnostics Systems, San Jose, CA, pp. 59-66 (2004).
  68. O. Levi, “Integrated Semiconductor Bio-Sensors: Cellular and Neural Sensing”, Invited talk, The 16th Annual Meeting of the IEEE Lasers & Electro-Optics Society (LEOS), Tucson, AZ (2003).
  69. E. Thrush, O. Levi, W. Ha, J. S. Harris Jr., and S. J. Smith, “Integrated semiconductor fluorescence sensor for portable bio-medical diagnostics”, Conference on Lasers and Electro-Optics (CLEO 2003), Baltimore, MD, 2003, OSA Technical Digest (Optical Society of America), Washington DC, paper CTuU1, pp. 824-826 (2003).
  70. S. R. Bhalotra, H. L. Kung, Y. Jiao, J. Fu, N. C. Helman, O. Levi, D. A. B. Miller, and J. S. Harris, Jr., “Standing-wave microsensor for adaptive analysis of spectral coherence”, Conference on Lasers and Electro-Optics (CLEO 2003), Baltimore, MD, 2003, OSA Technical Digest (Optical Society of America), Washington DC, paper CThA3, pp. 1364 – 1366 (2003).
  71. E. P. Thrush, O. Levi, J. S. Harris, K. Wang, S. J. Smith, A. Kurtz, J. Hwang and W. E. Moerner, “High Throughput Integration of Optoelectronic Devices for Fluorescent Detection”, Proceedings of the SPIE- The International Society for Optical Engineering 4982, Microfluidics, BioMEMS, and Medical Microsystems, San Jose, CA pp. 162-169 (2003).
  72. X. Yu, L. Scaccabarozzi, O. Levi, T. J. Pinguet, M. M. Fejer, and J. S. Harris Jr. “Template design and fabrication for low loss orientation-patterned nonlinear AlGaAs waveguides pumped at 1.55 mm”, The Twelfth International Conference on Molecular Beam Epitaxy (MBE-XII), San Francisco, CA, USA, pp. 339-340 (2002).
  73. S. R. Bhalotra, H. L. Kung, J. Fu, N. C. Helman, O. Levi, D. A. B. Miller, and J. S. Harris, Jr., “Integrated standing-wave transform spectrometer for near infrared optical analysis”, The 15th Annual Meeting of the IEEE Lasers & Electro-Optics Society (LEOS 2002), Glasgow, Scotland, pp. 105-106 (2002).
  74. O. Levi, T. Skauli, T. Pinguet, K. L. Vodopyanov, P. S. Kuo, X. Yu, L. A. Eyres, J. S. Harris and M. M. Fejer, T. J. Kulp, S. Bisson, B. Gerard, L. Becouarn, and E. Lallier, “Continuously tunable Mid-IR Frequency Generation in Orientation Patterned GaAs”, in TOPS Vol. 73, Conference on Lasers and Electro-Optics (CLEO 2002), OSA Technical Digest (Optical Society of America), Washington DC, pp. 416-417 (2002).
  75. T. Skauli, P. S. Kuo, O. Levi, K. L. Vodopyanov, T. Pinguet, L. A. Eyres, J. S. Harris, M. M. Fejer, B. Gerard, L. Becouarn, and E. Lallier, “Thermo-optic characterization of GaAs for quasi-phase-matched nonlinear- optical applications”, in TOPS Vol. 73, Conference on Lasers and Electro-Optics (CLEO 2002), OSA Technical Digest (Optical Society of America) Washington DC, pp. 668 (2002).
  76. K. L. Vodopyanov, T. Skauli, T. J. Pinguet, A. Schober, O. Levi, L. A. Eyres, M. M. Fejer, J. S. Harris, B. Gerard, L. Becouarn, and E. Lallier, “Highly efficient SHG in all-epitaxial quasi-phase-matched GaAs”, in TOPS Vol. 73, Conference on Lasers and Electro-Optics (CLEO 2002), OSA Technical Digest (Optical Society of America), Washington DC, pp. 419 (2002).
  77. E. Thrush, O. Levi, K Wang, J. S. Harris and S. J. Smith, “Integrated Semiconductor Fluorescence Detection System for Biochip and Biomedical Applications”,IEEE-EMBS Special Topic Conference on Microtechnologies in Medicine and Biology, Madison, Wisconsin, pp.374-379 (2002).
    1
  78. S. E. Bisson, T. J. Kulp, R. Bambha, K. Armstrong, O. Levi, T. J. Pinguet, L. A. Eyres, M. M. Fejer, J. S. Harris Jr., “Long-wave IR chemical sensing based on difference frequency generation in orientation patterned GaAs” Proceedings of the SPIE-The International Society for Optical Engineering 4634, Methods for Ultrasensitive Detection II, pp. 78-82 (2002).
  79. E. P. Thrush, O. Levi, K. Wang, J. S. Harris Jr., and S. J. Smith, “Integrated semiconductor fluorescent detection system for biochip and biomedical applications”, Proceedings of the SPIE-The International Society for Optical Engineering 4626, Biomedical Nanotechnology Architectures and Applications, San Jose, CA pp. 289-297, (2002).
  80. T. J. Pinguet, L. Scaccabarozzi, O. Levi, T. Skauli, L. A. Eyres, M. M. Fejer, J.S. Harris,” Second Harmonic Generation in Orientation-Patterned AlGaAs Waveguides Pumped at
    1.55 µm”, The 14th Annual Meeting of the IEEE Lasers & Electro-Optics Society (LEOS 2001), San Diego, CA pp. 376-377 (2001).
  81. T. Skauli, K. Vodopyanov, T. J. Pinguet, O. Levi, L.A. Eyres, M. M. Fejer, J. S. Harris, V. Gerard, L. Becouarn, E. Lallier, “Second harmonic generation in thick orientation-patterned GaAs” Optical Society of America annual meeting 2001, Long beach, CA (2001).
  82. O. Levi, T. Skauli, T. J. Pinguet, L. A. Eyres, L. Scaccabarozzi, M. M. Fejer, J. S. Harris Jr., T. J. Kulp, S. Bisson, B. Gerard, L. Becouarn, E. Lallier, “Mid-infrared generation by difference-frequency mixing in orientation-patterned GaAs”, in TOPS Vol. 56, Conference on Lasers and Electro-Optics (CLEO 2001), OSA Technical Digest (Optical Society of America), Washington DC, pp. 675-676 (2001) Post deadline paper.
  83. T. J. Pinguet, O. Levi, T. Skauli, L. A. Eyres, L. Scaccabarozzi, M. M. Fejer, J. S. Harris, T. J. Kulp, S. Bisson, B. Gerard, L. Becouarn, E. Lallier, “Characterization of
    0.5 mm thick films of orientation-patterned GaAs for nonlinear optical applications” in TOPS Vol. 56, Conference on Lasers and Electro-Optics (CLEO 2001), OSA Technical Digest (Optical Society of America), Washington DC, pp. 138 (2001).
  84. T. J. Pinguet, L. A. Eyres, C. B. Ebert, O. Levi, M. M. Fejer, and J. S. Harris Jr., “Epitaxial orientation- patterning of AlGaAs films for nonlinear optical devices”, Proc. of the IEEE 27th International Symposium on Compound Semiconductors, Monterey, CA, pp. 229-232 (2000).
  85. O. Levi, A. J. Agranat, G. Perepelitsa, S. Shalom, R. Neumann, Y. Avny and D. Davidov, “Oxygen- dependent hologram writing and fixing in conjugated polymers storage media”, Proceedings of the SPIE- The International Society for Optical Engineering 3082, Advanced Optical Data Storage: Materials, Systems, and Interfaces to Computers, Denver, CO, pp. 100-110, (1999).
  86. O. Levi, J. M. Poplawski, M. Tarabia, E. Ehrenfreund, and D. Davidov, “Electroabsorption spectroscopy of self-assembled (PPV/SPS) films: size dependent blue shift”, Proceedings of the SPIE-The International Society for Optical Engineering 3145, Optical Probes of Conjugated Polymers, San Diego, CA, pp. 444- 452, (1997).
  87. O. Levi, I. Benjamin, R. Neumann, Y. Avny, A. J. Agranat, and D. Davidov, “Highly Photorefractive Sol- Gel/Polymer Composite”, Proceedings of the 1997 OSA Topical Meeting on Photorefractive Materials and Devices (PR 97), Chiba, Japan, pp. 86-89, (1997).

Patents/Inventions

  1. O. Levi, E. Y. Zhu, D. Ringuette, R. W. Chu, “Remote portable vital signs monitoring”, USPTO patent application, US 17/357,486 (filed June 24, 2021) (P)
  2. E. P. Thrush, O. Levi, S. J. Smith, and J. S. Harris, “Excitable Target Marker Detection”, USPTO patent 7,604,981 (awarded October 2009) (P)
  3. O. Levi, E. P. Thrush, S. J. Smith, K. V. Shenoy, and James S. Harris, “Implantable Sensing Arrangement and Approach”, USPTO patent 8,306,607 (awarded June 2012) (P)
  4. E. A. Munro O. Levi, “System and method for Optical Imaging with Vertical Cavity Surface Emitting Lasers”, USPTO patent 9,253,419 (awarded February 2016) (P)
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