Emrah Acar photo Solomon Assefa photo TYMON BARWICZ photo
William M. J. Green photo Jens Hofrichter photo Jonathan E. (Jon) Proesel photo
 Jessie C. Rosenberg photo Alexander V. Rylyakov photoYurii A. Vlasov photo
Chi Xiong photo

Research Areas

Additional information

2012 IEDM postdeadline paper


2012 CLEO Plenary talk


2012 IEEE Comm. Mag., Silicon Nanophotonics Beyond 100G


2011 IBM R&D Journal: Technologies for Exascale systems


2010 SEMICON Talk: CMOS Nanophotonics for Exascale


2008 ECOC Tutorial: On-Chip Si Nanophotonics

Project Name

Silicon Integrated Nanophotonics


21. (Invited) Y.A.Vlasov, S. Assefa, W. M. J. Green, M. Yang, C. L. Schow, A. Rylyakov,“CMOS Integrated Nanophotonics: Enabling Technology for Exascale computer Systems” SEMICON, SEMI Technology Symposium (STS), Tokyo, December 2010

20. (Invited), W. M. J. Green, X. Liu, R. M. Osgood, Jr., and Y. A. Vlasov,“High-Gain Si-Chip Optical Parametric Mixing Beyond Two-Photon Absorption,” IEEE Photonics Society Annual Meeting, Denver, November 2010.

19. (Invited) W.M.J. Green, S.Assefa, J.Van Campenhout, B.Lee, M.Yang, F.Doany, C.Schow, A.Rylyakov, C.Jahnes, J.Kash, and Y.A.Vlasov,“Silicon Integrated Nanophotonic High-radix Switch Arrays for Next Generation Computer Systems” , IEEE Photonics Society Annual Meeting, Denver, November 2010

18. (Invited), Mark B. Ritter, Yurii Vlasov, Jeffrey A. Kash, and Alan Benner, ”Optical Technologies for Data Communication in Large Parallel Systems”, TWEPP, October 2010.

17. (Invited) Y.A.Vlasov, S. Assefa, W. M. J. Green, M. Yang, C. L. Schow, A. Rylyakov,“Si Integrated Nanophotonics for on-chip optical interconnects” European Conference on Optical Communications, Turin, October 2010

16. (Invited) S. Assefa, F. Xia, and Y. A. Vlasov,“CMOS-compatible Waveguide-integrated Germanium Avalanche Photodetectors,” ECS, Vegas, October, 2010.

15. (Invited) S. Assefa, F. Xia, and Y. A. Vlasov,“CMOS-integrated Germanium Photodetectors,” Group IV photonics, Beijing China, September 2010.

14. G. Roelkens, O. Raz, W.M.J. Green, S. Assefa, M. Tassaert, S. Keyvaninia, K.Vandoorne, D. Van Thourhout, R. Baets, Y. Vlasov,“Towards a low-power nanophotonic semiconductor amplifier heterogeneously integrated with SOI waveguides” IEEE Conference on Group IV Photonics, Beijing, 2010

13. (Invited), W. M. J. Green, X. Liu, R. M. Osgood, Jr., and Y. A. Vlasov,“Engineering Silicon Nanophotonic Waveguides for Mid-Infrared Nonlinear Optics,” SIAM Conference on Nonlinear Waves, August 2010.

12. (Invited) S. Assefa, F. Xia, and Y. A. Vlasov,“Germanium Avalanche Photodetectors,” Integrated Photonics Research, Santa Cruz, CA, July 2010

11. (Invited), W. M. J. Green, X. Liu, R. M. Osgood, Jr., and Y. A. Vlasov,“Mid-Infrared Nonlinear Optics in Silicon Photonic Wire Waveguides,” IEEE Photonics Society Summer Topicals Meeting, July 2010.

10. (Invited) Y.A.Vlasov, S. Assefa, W. M. J. Green, M. Yang, C. L. Schow, A. Rylyakov,“Si Integrated Nanophotonics for on-chip optical interconnects” IEICE Si photonics symposium, Tokyo, June 2010

9. (Post-deadline) J. Van Campenhout, S. Assefa, W. M. J. Green, and Y. A. Vlasov, “Digital Noise-Tolerant Silicon Nanophotonic Switch,” Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, May 2010.

8. Christopher Kang, Christopher Phare, and Sharon M. Weiss, Y. A. Vlasov, and S. Assefa,“Photonic Crystal Defects with Increased Surface Area for Improved Refractive Index Sensing,” Conference on Lasers and Elecro-optics (CLEO), 2010.

7. Michael L. Cooper, Greeshma Gupta, William M. J. Green, Solomon Assefa, Fengnian Xia, Yurii A. Vlasov and Shayan Mookherjea,“235-ring Coupled-Resonator Optical Waveguides,” Conference on Lasers and Elecro-optics (CLEO), 2010.

6. S. Assefa, F. Xia, and Y. A. Vlasov,“Waveguide-Integrated Low-Noise Germanium Avalanche Photodetector with 6dB Sensitivity Improvement,” Conference on Lasers and Elecro-optics (CLEO), 2010.

5. (Post-deadline) Michael L. Cooper, Greeshma Gupta, William M. J. Green, Solomon Assefa, Fengnian Xia, Yurii A. Vlasov and Shayan Mookherjea,“Disorder-screened optical delay in large-scale silicon microring CROWs,” Conference on Lasers and Elecro-optics (CLEO), 2010

4. (Invited), B. G. Lee, J. Van Campenhout, A. V. Rylyakov, C. L. Schow, W. M. J. Green, S. Assefa, M. Yang, F. E. Doany, C. V. Jahnes, R. A. John, J. A. Kash, and Y. A. Vlasov,“Broadband Silicon Photonic Switch Integrated with CMOS Drive Electronics,” Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference, May 2010.

3. (Invited) S. Assefa, W. M. J. Green, M. Yang, C. L. Schow, A. Rylyakov, Y.A.Vlasov,,“Deeply Scaled Silicon Photonic Devices,” Annual Workshop on Interconnection within High speed digital Systems, May, Santa Fe, NM, May 2010.

2. (Post-deadline) B. G. Lee, F. E. Doany, S. Assefa, W. M. J. Green, M. Yang, C. L. Schow, C. V. Jahnes, S. Zhang, J. Singer, V. I. Kopp, J. A. Kash, and Y. A. Vlasov,“20-um-Pitch Eight-Channel Monolithic Fiber Array Coupling 160 Gb/s/Channel to Silicon Nanophotonic Chip,” , Optical Fiber Communication Conference, March 2010.

1. (Invited) S. Assefa, F. Xia, and Y. A. Vlasov,“CMOS-Integrated Low-Noise Germanium Waveguide Avalanche Photodetector Operating at 40Gbps,” Optical Fiber Communication Conference (OFC), Paper OWN3, San Diego, CA, March 2010.