| 1. | Recent advances in quantum cascade lasers at the Center for Quantum Devices International Workshop on Terahertz and Mid Infrared Radiation (TERA-MIR): Basic Research and Applications Turunc-Marmaris, Turkey -- November 3, 2009 |
| 2. | Hybrid Green LEDs with n-type ZnO Substituted for n-type GaN in an Inverted p-n Junction IEEE LEOS Photonics Annual Meeting Belek-Antalya, Turkey -- October 7, 2009 |
| 3. | High power, high WPE, CW, RT operation of quantum cascade lasers: Recent results and future trends IEEE LEOS Photonics Annual Meeting Belek-Antalya, Turkey -- October 6, 2009 |
| 4. | State of the art Type II superlattices in infrared detection and imaging IEEE LEOS Photonics Annual Meeting Belek-Antalya, Turkey -- October 4, 2009 |
| 5. | State-of-the-art Type II antimonide-based superlattice photodiodes for infrared detection and imaging SPIE Optics and Photonics Symposium San Diego, CA -- August 4, 2009 |
| 6. | Conference Co-Chair Conference on Spintronics II, SPIE Optics and Photonics Symposium San Diego, CA -- August 2, 2009 |
| 7. | Conference Co-Chair Conference on Biosensing II, SPIE Optics and Photonics Symposium San Diego, CA -- August 2, 2009 |
| 8. | Conference Co-Chair Conference on Carbon Nanotubes and Associated Devices II, SPIE Optics and Photonics Symposium San Diego, CA -- August 2, 2009 |
| 9. | Organizing Committee Photo-cathode Workshop University of Chicago (Illinois) -- July 20, 2009 |
| 10. | State of the art of Type II superlattices in infrared detection and imaging International Conference on Narrow Gap Semiconductors and Systems (NGS-2) Sendai, Japan -- July 13, 2009 |
| 11. | Atomic engineering of low dimensional quantum systems in III-V semiconductors for infrared detection and imaging International Symposium on Photoelectronic Detection and Imaging Beijing, China -- June 17, 2009 |
| 12. | Plenary Talk - III-Nitride Optoelectronic Devices: High Performance GaN Avalanche Photodiodes, Novel Green Light Emitting Diodes and III-Nitride Intersubband Devices AFOSR Joint Electronics Program Review Arlington, VA -- May 27, 2009 |
| 13. | Quantum dot in a well infrared photodetectors for high operating temperature focal plane arrays SPIE International Symposium on Microtechnologies for the New Millennium Dresden, Germany -- May 6, 2009 |
| 14. | Material and design engineering of (Al)GaN for high-performance avalanche photodiodes and intersubband applications SPIE International Symposium on Microtechnologies for the New Millennium Dresden, Germany -- May 5, 2009 |
| 15. | Program Committee Photonic Materials, Devices and Applications Conference, SPIE International Symposium on Microtechnologies for the New Millennium Dresden, Germany -- May 4, 2009 |
| 16. | Background limited performance of long wavelength infrared focal plane arrays fabricated from Type-II InAs/GaSb M-structure superlattice SPIE Defense and Security Symposium, Infrared Technology and Applications XXXV Conference Orlando, FL -- April 14, 2009 |
| 17. | High performance antimony base Type-II superlattice photodiodes on GaAs substrate SPIE Defense and Security Symposium, Infrared Technology and Applications XXXV Conference Orlando, FL -- April 14, 2009 |
| 18. | Conference Committee Infrared Technology and Applications XXXV Conference, SPIE Defense and Security Symposium Orlando, FL -- April 13, 2009 |
| 19. | Modern Optoelectronics: Building Better Materials from the Atoms Up Invited Colloquium Speaker, Physics Department, Texas Tech University Lubbock, TX -- March 6, 2009 |
| 20. | III-Nitride avalanche photodiodes SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 21. | Mid-infrared quantum cascade lasers with high wall plug efficiency SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 22. | Pulsed metalorganic chemical vapor deposition of high quality AlN/GaN superlattices for intersubband transitions SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 23. | GaN-based nanostructured photodetectors SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 24. | The importance of band alignment in VLWIR type-II InAs/GaSb heterodiodes containing the M-structure barrier SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 25. | Background limited performance of long wavelength infrared focal plane arrays fabricated from M-structure InAs/GaSb superlattices SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 26. | Inductively coupled plasma etching and processing techniques for type-II InAs/GaSb superlattices infrared detectors toward high fill factor focal plane arrays SPIE Photonics West Symposium, Quantum Sensing and Nanophotonic Devices VI San Jose, CA -- January 26, 2009 |
| 27. | Hybrid green LEDs based on n-ZnO/(InGaN/GaN) multi-quantum-wells/p-GaN SPIE Photonics West Symposium, Zinc Oxide Materials and Devices IV San Jose, CA -- January 25, 2009 |
| 28. | Quantum dot in a well infrared photodetectors for high operating temperature focal plane arrays SPIE Photonics West Symposium, Quantum Dots, Particles and Nanoclusters VI San Jose, CA -- January 25, 2009 |
| 29. | High-power high-wall plug efficiency mid-infrared quantum cascade lasers based on InP/GaInAs/InAlAs material system SPIE Photonics West Symposium, Novel In-Plane Semiconductor Lasers VIII San Jose, CA -- January 25, 2009 |
| 30. | Conference Chair Quantum Sensing and Nanophotonic Devices VI Conference, SPIE International Photonics West Symposium San Jose, CA -- January 24, 2009 |
| 31. | Program Committee Conference on Optoelectronic Intergrated Circuits XI, SPIE International Photonics West Symposium San Jose, CA -- January 24, 2009 |
| 32. | High performance type-II InAs/GaSb superlattice photodiodes for infrared detection and imaging Quantum Structure Infrared Photodetector (QSIP) Yosemite, CA -- January 20, 2009 |
| 33. | Quantum dot in a well infrared photodetectors for high operating temperature focal plane arrays Quantum Structure Infrared Photodetector (QSIP) Yosemite, CA -- January 19, 2009 |
| 34. | Modern Atomic Engineering: Inspiration from Nature Distinguished Speaker, EECS Department, Northwestern University Evanston, IL -- December 3, 2008 [Conference Information] |
| 35. | High performance type-II InAs/GaSb superlattices photodetectors and focal plane arrays 26th Army Conference Orlando, FL -- December 1, 2008 |
| 36. | High performance type-II InAs/GaSb long wavelength infrared photodetectors and focal plane arrays U.S. Workshop on the Physics and Chemistry of II-VI Materials Las Vegas, NV -- November 11, 2008 |
| 37. | Building a Better Infrared Laser with Band Structure Engineering Invited Seminar, Department of Physics and Optical Science University of North Carolina at Charlotte -- October 17, 2008 |
| 38. | Atomic engineering of low dimensional quantum systems in III-V semiconductors for infrared detection and imaging NRO, Invited Seminar Chantilly, VA -- October 7, 2008 |
| 39. | Heterogeneous Monolithic Integration of III-V Semiconductors on GaAs and Si Substrates for Large Format Infrared Focal Plane Array Development DARPA Common Platform Composite Wafer Technology: IR Materials Workshop Chicago, IL -- October 6, 2008 |
| 40. | High Performance QC Lasers: Latest Achievements and Future Trends International Quantum Cascade Lasers School and Workshop (IQCLSW) Monte Verita, Switzerland -- September 14, 2008 |
| 41. | Conference Co-Chair Conference on Spintronics, SPIE Optics and Photonics Symposium San Diego, CA -- August 14, 2008 |
| 42. | Session Co-Chair, Spin and Charge Currents Conference on Spintronics, SPIE Optics and Photonics Symposium San Diego, CA -- August 12, 2008 |
| 43. | Session Chair, Field Emission from CNTs Conference on Carbon Nanotubes and Associated Devices, SPIE Optics and Photonics Symposium San Diego, CA -- August 12, 2008 |
| 44. | Very High Performance LWIR Type-II InAs/GaSb Superlattice Photodiodes with M-Structure SPIE Optics and Photonics Symposium, Conference on Advanced Detectors and Technologies San Diego, CA -- August 11, 2008 |
| 45. | Development of Material Quality and Structural Design for High Performance Type II InAs/GaSb Superlattice Photodiodes SPIE Optics and Photonics Symposium, Conference on Advanced Detectors and Technologies San Diego, CA -- August 11, 2008 |
| 46. | Conference Co-Chair Biosensing Conference, SPIE Optics and Photonics Symposium San Diego, CA -- August 11, 2008 |
| 47. | Technical Organizing Committee NanoScience and NanoEngineering Conference, SPIE Optics and Photonics Symposium San Diego, CA -- August 10, 2008 |
| 48. | Conference Co-Chair Conference on Spintronics, SPIE Optics and Photonics Symposium San Diego, CA -- August 10, 2008 |
| 49. | III-Nitride Based UV Single Photon Detection (APDs) 2nd International Symposium on Growth of III-Nitrides (ISGN-2) Laforet Shuzenji Izu, Japan -- July 6, 2008 |
| 50. | Review Panel Member European Research Council (ERC) Brussels, Belgium -- June 24, 2008 |