Novel silicon-on-insulator grating couplers based on CMOS polysilicon gate layer

Chao Qiu, Zhen Sheng, Le Li, Albert Pang, Aiming Wu, Junjie Du, Jing Chen, Xi Wang, Fuwan Gan, Shichang Zou

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Grating couplers are widely investigated as a coupling interface between silicon-on-insulator waveguides and optical fibers. In this work, novel grating couplers based on strip poly-Si are proposed. This structure utilizes the poly-Si gate layer of the CMOS MOSFETs, and thus enables grating couplers integrated with CMOS circuits without adding any additional masks and process steps. Simulation results show that a coupling efficiency over 60% can be achieved between silicon-on-insulator waveguides and fibers.

Original languageEnglish
Title of host publicationAsia Communications and Photonics Conference and Exhibition, ACP 2011
PublisherOptical Society of America (OSA)
ISBN (Print)9780819489555
DOIs
StatePublished - 2011
Externally publishedYes
EventAsia Communications and Photonics Conference and Exhibition, ACP 2011 - Shanghai, China
Duration: 13 Nov 201116 Nov 2011

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Conference

ConferenceAsia Communications and Photonics Conference and Exhibition, ACP 2011
Country/TerritoryChina
CityShanghai
Period13/11/1116/11/11

Keywords

  • Grating coupler
  • Silicon-on-insulator (SOI)
  • Waveguides

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