| 201. | Invited Speaker, "Substrate emitting in-phase mode coupled ring QCL pair with single mode and central lobe operations" SPIE 2016 Photonics West Conference San Francisco, CA. -- February 13, 2016 [Conference Link] |
| 202. | Invited Speaker, "Quantum Science and Technology: Applications for Daily Life" University of Maryland Baltimore, MD. -- January 29, 2016 |
| 203. | Plenary Speaker, "Optoelectronics for any Occasion with Modern Band Structure Engineering" Workshop on Multifunctional Nanomaterials and Workshop on Frontier in Electronics San Juan, PR -- December 16, 2015 [Conference Link] |
| 204. | Invited Speaker, "Room tempature. widely tunable, compact THz sources for the diagnosis and detection of CBRN and explosives" NATO Tera-Mir Workshop Izmir, Turkey -- November 3, 2015 [Conference Link] |
| 205. | Plenary Speaker, "Developing Better Light Sources with Band Structure Engineering" Ashton Year of Light Workshop Birmingham, UK -- October 6, 2015 [Conference Link] |
| 206. | Keynote Speaker, "Recent Breakthrough in Quantum Cascade Lasers" SPIE DSS Europe 2015 Toulose, France -- September 21, 2015 [Conference Link] |
| 207. | Keynote Speaker, "Recent Advances of III-V Semiconductor Quantum Devices from Deep UV (200nm) to THz (300 microns)" International Conference and Exhibition on Lasers, Optics, and Photonics Valencia, Spain -- September 1, 2015 [Conference Link] |
| 208. | Invited Speaker, "Recent Development of High Power, Widely Tunable, THz Quantum Cascasde Laser Sources Based on Difference-Frequuency Generation" SPIE 2015 - Optics & Photonics San Diego, CA. -- August 9, 2015 [Conference Link] |
| 209. | Invited Speaker, "Ultraviolet Avanlanche Photodiodes" SPIE 2015 - Optics & Photonics San Diego, CA. -- August 9, 2015 [Conference Link] |
| 210. | Invited Speaker, "Solar-Bind Photodetectors and Focal Plane Arrays Based on AIGaN" SPIE 2015 - Optics & Photonics San Diego, CA. -- August 9, 2015 [Conference Link] |
| 211. | Invited Speaker, "High-Performance Near Infrared Photodectors Based on Gallium-Free InAs1xSbx/AlAs1-xSbx Type II Superlattices" SPIE 2015 - Optics & Photonics San Diego, CA. -- August 9, 2015 [Conference Link] |
| 212. | Invited Speaker, "Growth of AIGan on Silicon Substrates: a Novel Way to Make Back-Illuminated Ultraviolet Photodetectors" SPIE 2015 - Optics & Photonics San Diego, CA. -- August 9, 2015 [Conference Link] |
| 213. | Plenary Speaker, "High Power Semiconductor Laser Source at Room Temperature for Sensing and Telecommunication" Conference and Trade Fair in Laser Technology Florida -- July 20, 2015 [Conference Link] |
| 214. | Invited Speaker, "Applications and Thermal Challenges for Quantum Cascade Lasers" InterPACK 2015 and ICNMM 2015 Workshop San Francisco, CA. -- July 6, 2015 [Conference Link] |
| 215. | Invited Speaker, "Atomic Engineeing of III-V Semiconductors for Quantum Devices from Deep UV (200 nm) to Terahertz (300 microns) at CQD/NU: Recent Advances and Future Trends" Argonne National Labs Argonne, IL. -- June 24, 2015 |
| 216. | Invited Speaker, "Recent Breakthroughs in Quantum Cascade Lasers" Collaborative Conference on 3D and Materials Research (CC3DMR) 2015 Conference Busan, South Korea -- June 15, 2015 [Conference Link] |
| 217. | Invited Speaker, "InAs/InAs1-xSbx Type-II Superlattices for High-performance Long-wavelength Infrared Medical Thermography" ECS Meeting Chicago, IL. -- May 24, 2015 [Conference Link] |
| 218. | Plenary Speaker, "From Terahertz to Deep UV, Science, Technology, and Applications of Quantum Devices" WSEAS - World Scientific and Engineering Academy and Society Conference Konya, Turkey -- May 20, 2015 [Conference Link] |
| 219. | Invited Speaker, "InAs/InAs1-xSbx type-II superlattices for high performance long wavelength infrared detection" SPIE DSS 2015 Baltimore, MD. -- April 20, 2015 [Conference Link] |
| 220. | Invited Speaker, "High-Performance Bias-selectable Dual-band Mid-/Long-wavelength Infrared Photodetectors based on InAs/InAs1-xSbxType-II Superlattices" SPIE DSS 2015 Baltimore, MD. -- April 20, 2015 [Conference Link] |
| 221. | Keynote Speaker, "Recent advances in room temperature THz emitter based on DFG at CQD/NU" SPIE DSS 2015 Baltimore, MD. -- April 20, 2015 [Conference Link] |
| 222. | Invited Speaker, "Recent Breakthroughs in Quantum Cascade Lasers" MIRSENS III Wurzburg, Germany -- March 5, 2015 [Conference Link] |
| 223. | Invited Speaker, "Atomic Engineering of III-V Semiconductor for Quantum Devices" ECE Colloquim Champaign, IL -- February 19, 2015 [Conference Link] |
| 224. | Invited Speaker, "Hetero-Integration of GaN on Si (100)" SPIE 2015 Photonics West Conference San Francisco, CA. -- February 7, 2015 [Conference Link] |
| 225. | Invited Speaker, "MOVPE growth of InGaN alloys with high in content on ZnO template substrates" SPIE 2015 Photonics West Conference San Francisco, CA. -- February 7, 2015 [Conference Link] |