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

Research Areas

Additional information

2012 IEDM postdeadline paper

PDF file(1.7MB)


2012 CLEO Plenary talk

PDF file(4.2MB)


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

PDF file(0.2MB)


2011 IBM R&D Journal: Technologies for Exascale systems

PDF file(1.3MB)


2010 SEMICON Talk: CMOS Nanophotonics for Exascale

PDF file(2.7MB)


2008 ECOC Tutorial: On-Chip Si Nanophotonics

PDF file(4.6MB)

Project Name

Silicon Integrated Nanophotonics


Tab navigation
  • Germanium detectors
  • RF modulators
  • WDM multiplexers
  • Broadband switches
  • Passive nanophotonics
    •


    Germanium detectors


  • “CMOS integrated optical receivers for on-chip interconnects,” S. Assefa, C. Schow, F. Xia, W. M. J. Green, A. Rylyakov, and Y. Vlasov
    IEEE Journal of Selected Topics in Quantum Electronics    , 16(5) 1376-1385 (2010).
    paper (subscription required)
    See also CMOS Integrated Nanophotonics

  • “Integration of Germanium Avalanche Photodetectors on Silicon for On-Chip Optical Interconnects”, Solomon Assefa, Fengnian Xia, and Yurii A. Vlasov,
    Electrochemical Society Transactions     , v. 23 (6), pp. 749 – 756, 2010
    paper (subscription required)

  • “Reinventing nanophotonic avalanche photodetector for on chip optical interconnects,” S. Assefa, F. Xia, and Y. Vlasov,
    Nature    , March 4 issue (2010), pp.84-88.
    paper (subscription required)
    See also Nanophotonic Avalanche Photodetector

  • “CMOS-integrated Germanium Photodetector with Ultra-low Capacitance”, S. Assefa, F. Xia, S. Bedell, Y. Zhang, T. Topuria, P. M. Rice, and Y. Vlasov ,
    Optics Express     18(5), 4986-4999, 2010.
    paper (free)
    • Image gallery. Click to enlarge. Ge Photodetector. Click to enlarge
    RF modulators


  • “Ultra-compact, low RF power, 10 Gb/s silicon Mach-Zehnder modulator”, W. M. J. Green, M. J. Rooks, L. Sekaric, and Y. A. Vlasov,
    Optics Express     , 15, 17106 (2007)
    paper (free)
    See also Low power ultra-compact silicon modulator

  • “Optical modulation using anti-crossing between paired amplitude and phase resonators”, W. M. J. Green, M. J. Rooks, L. Sekaric, and Y. A. Vlasov, invited paper for the Focus issue on Microresonators,,
    Optics Express     , 15, 17264 (2007)
    paper (free)
    • Image gallery. Click to enlarge. RF modulator. Click to enlarge
    WDM multiplexers


  • “Silicon-on-Insulator Echelle Grating WDM Demultiplexers With Two Stigmatic Points”, Folkert Horst, William M. J. Green, Bert Jan Offrein, and Yurii A. Vlasov,
    Photonics Technology Letters     21, 1743, 2009.
    paper (subscription required)

  • “Ultra-compact high order ring resonator filters using submicron silicon photonic wires for on-chip optical interconnects”, F.Xia, M.Rooks, L. Sekaric, and Y. Vlasov,
    Opt. Express, 15, 11934 (2007)
    paper (free)

  • "Mode conversion losses in silicon-on-insulator photonic wire based racetrack resonators", F. Xia, L.Sekaric and Yu.A.Vlasov,
    Opt. Express 14, 3872 (2006)
    paper (free)

    		•
    Image gallery. Click to enlarge. WDM multiplexer. Click to enlarge
    Broadband switches


  • “Low-power, 2×2 silicon electro-optic switch with 110-nm bandwidth for broadband reconfigurable optical networks,” J. Van Campenhout, W. M. J. Green, S. Assefa, and Y. A. Vlasov,
    Optics Express     17(26), 24020-24029, 2009. paper (free)

  • “Design of a digital, ultra-broadband electro-optic switch for reconfigurable optical networks-on-chip,” J. Van Campenhout, W. M. J. Green, and Y. A. Vlasov,
    Optics Express     17(26), 23793-23808, 2009. paper (subscription required)

  • “Silicon-Nitride Surface Passivation of Submicrometer Silicon Waveguides for Low-Power Optical Switches,” J. Van Campenhout, W. M. J. Green, X. Liu, S. Assefa, R. M. Osgood, Jr., and Y. A.Vlasov,
    Optics Letters     34(10), 1534-1536, 2009. paper (free)

  • “High-throughput silicon nanophotonic deflection switch for on-chip optical networks”, Y. Vlasov, W. M. J. Green, and F. Xia,
    Nature Photonics    , April 1 issue (2008). Published on-line March 16 , 2008.
    paper (subscription required)
    see also High-throughput nanophotonic switch
    • Image gallery. Click to enlarge. Broadband switch. Click to enlarge
    Other components: waveguides, fiber couplers, etc.


  • “Multichannel High-Bandwidth Coupling of Ultra-Dense Silicon Photonic Waveguide Array to Standard-Pitch Fiber Array”, accepted F.E. Doany, B.G. Lee, S.Assefa, W.Green, Min Yang, C.Schow, C.Jahnes, S.Zhang,J. Singer, V. Kopp, J. Kash, Y. Vlasov,
    IEEE J. of Lightwave Technology     , v.99 (2010).
    paper (subscription required)

  • “Integrated NiSi Waveguide Heaters for CMOS-Compatible Silicon Thermo-Optic Devices,” J. Van Campenhout, W. M. J. Green, S. Assefa, and Y. A. Vlasov,
    Optics Letters     35(7), 1013-1015, 2010.
    paper (subscription required)

  • “Terabit-per-second Silicon Photonic Nanowire Waveguides for On-Chip Networks”, B. G. Lee, X. Chen, A. Biberman, X. Liu, I.Hsieh, C.Chou, J. Dadap, R. M. Osgood, Jr., F. Xia, W. M. J. Green, L.Sekaric, Y.A. Vlasov, and K. Bergman,
    Photon. Techn. Lett.     , 20, 359 (2008)
    paper (subscription required)

  • “Losses in single-mode silicon-on-insulator strip waveguides and bends” S.J.McNab and Yu. A. Vlasov
    Optics Express, 12(7), 2927 (2004)
    paper (free)

  • “Ultra-low loss photonic integrated circuit with membrane-type photonic crystal waveguides”, S. J. McNab, N. Moll and Yu. A. Vlasov
    Optics Express, 11(22), 2927 (2003)
    paper (free)

    • Image gallery. Click to enlarge. Fiber coupler. Click to enlarge