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作者:

Liu, Ke (Liu, Ke.) (学者:刘克) | Wang, Le (Wang, Le.) | Zhang, Chenglong (Zhang, Chenglong.) | Ma, Qingyu (Ma, Qingyu.) | Qi, Bing (Qi, Bing.)

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摘要:

The existing photonic switch matrices usually show the drawbacks of either a large footprint or high cross talk. Here, we propose a compact InGaAsP/InP rearrangeable nonblocking 4 x 4 photonic switch fabric based on 2 x 2 Mach-Zehnder interferometer (MZI) switch elements in a Benes architecture. Each switch element consists of two frustrated total internal reflection (TIR) couplers and TIR mirrors serving as 90 degrees waveguide bends, forming the square layout configuration of the 2 x 2 MZI switches. We investigate the design parameters of the switch element and 4 x 4 photonic switch matrix by using FDTD and transfer matrix methods, respectively. Our analysis results show that the proposed device exhibits an ultracompact chip size of similar to 340 mu m x 120 mu m, the minimum cross talk of -23 dB in the 1.5 similar to 1.6 mu m wavelength range, the total insertion loss of similar to 3.9 dB, the low electrical energy of similar to 0.4 pJ/bit, and an operation speed up to 50 GHz. Experimentally, we can demonstrate the feasibility of fabricating 2 x 2 MZI switches and an operational low-loss trench-coupler. The enabling component of the 2 x 2 MZI switch can scale its pattern in the 2D directions. This as-formed compact 4 x 4 switch fabric can be potentially applied in large-scale InP-based photonic integrated circuits. (C) 2018 Optical Society of America

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作者机构:

  • [ 1 ] [Liu, Ke]Beijing Univ Technol, Fac Informat Technol, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Le]Beijing Univ Technol, Fac Informat Technol, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Chenglong]Beijing Univ Technol, Fac Informat Technol, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 4 ] [Ma, Qingyu]Beijing Univ Technol, Fac Informat Technol, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China
  • [ 5 ] [Liu, Ke]George Washington Univ, Dept Elect & Comp Engn, Washington, DC 20052 USA
  • [ 6 ] [Qi, Bing]Methodist Univ, Dept Comp Sci, Fayetteville, NC 28311 USA

通讯作者信息:

  • 刘克

    [Liu, Ke]Beijing Univ Technol, Fac Informat Technol, Key Lab Optoelect Technol, Minist Educ, Beijing 100124, Peoples R China;;[Liu, Ke]George Washington Univ, Dept Elect & Comp Engn, Washington, DC 20052 USA

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来源 :

APPLIED OPTICS

ISSN: 1559-128X

年份: 2018

期: 14

卷: 57

页码: 3838-3846

1 . 9 0 0

JCR@2022

ESI学科: PHYSICS;

ESI高被引阀值:76

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

近30日浏览量: 2

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