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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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

Keyword:

Author Community:

  • [ 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

Reprint Author's Address:

  • 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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Source :

APPLIED OPTICS

ISSN: 1559-128X

Year: 2018

Issue: 14

Volume: 57

Page: 3838-3846

1 . 9 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:145

Cited Count:

WoS CC Cited Count: 7

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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