Presentation 2013-12-20
Metal mirror assisted grating couplers between multilayered waveguides toward 3D optical interconnects
JoonHyun Kang, Yuki Atsumi, Yusuke Hayashi, Junichi Suzuki, Yuki Kuno, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai,
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Abstract(in English) Silicon photonics for optical interconnects can further improve the signal transmission density by introducing multilayered structure. In this work, we used grating couplers with metal mirrors for the inter-layer connection in multi-layered a-Si:H waveguides. The coupling efficiency of 90%, which was around 3 times higher than that without metal mirrors, was estimated by 3D-FDTD simulation. Devices were fabricated by process temperatures below 300℃ and the coupling efficiency of 83% was obtained for a device with the number of grating periods of 20.
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Keyword(in English) Silicon Photonics / Amorphous silicon / Inter-layer coupling / Grating coupler / Metal mirror
Paper # OPE2013-142
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Committee OPE
Conference Date 2013/12/13(1days)
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Registration To Optoelectronics (OPE)
Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Metal mirror assisted grating couplers between multilayered waveguides toward 3D optical interconnects
Sub Title (in English)
Keyword(1) Silicon Photonics
Keyword(2) Amorphous silicon
Keyword(3) Inter-layer coupling
Keyword(4) Grating coupler
Keyword(5) Metal mirror
1st Author's Name JoonHyun Kang
1st Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology()
2nd Author's Name Yuki Atsumi
2nd Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology
3rd Author's Name Yusuke Hayashi
3rd Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology
4th Author's Name Junichi Suzuki
4th Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology
5th Author's Name Yuki Kuno
5th Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology
6th Author's Name Tomohiro Amemiya
6th Author's Affiliation Quantum Nanoelectronics Research Center, Tokyo Institute of Technology
7th Author's Name Nobuhiko Nishiyama
7th Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology
8th Author's Name Shigehisa Arai
8th Author's Affiliation Dept. of Electrical and Electronic Engineering Tokyo Institute of Technology:Quantum Nanoelectronics Research Center, Tokyo Institute of Technology
Date 2013-12-20
Paper # OPE2013-142
Volume (vol) vol.113
Number (no) 370
Page pp.pp.-
#Pages 6
Date of Issue