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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 18 — Sep. 9, 2013
  • pp: 21403–21413

A compact thermo-optical multimode-interference silicon-based 1×4 nano-photonic switch

Haifeng Zhou, Junfeng Song, Edward K. S. Chee, Chao Li, Huijuan Zhang, and Guoqiang Lo  »View Author Affiliations


Optics Express, Vol. 21, Issue 18, pp. 21403-21413 (2013)
http://dx.doi.org/10.1364/OE.21.021403


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Abstract

An ultra-compact multimode-interference (MMI)-based 1×4 nano-photonic switch is demonstrated by employing silicon thermo-optical effect on SOI platform. The device performance is systematically characterized by comprehensively investigating the constituent building blocks, including 1×4 power splitter, 4×4 MMI coupler and groove-isolated thermo-optical heaters. An instructive model is established to statistically estimate the required power consumption and investigate the influence of the power imbalance of the 4×4 MMI coupler on the switching performance. At the designed wavelength of 1550 nm, the average insertion loss of different switching states is 1.7 dB, and the transmission imbalance is 1.05 dB. The worst extinction ratio and crosstalk of all the output ports reach 11.48 dB and −11.38 dB, respectively.

© 2013 OSA

OCIS Codes
(040.6040) Detectors : Silicon
(160.6840) Materials : Thermo-optical materials
(250.5300) Optoelectronics : Photonic integrated circuits
(130.4815) Integrated optics : Optical switching devices
(250.6715) Optoelectronics : Switching

ToC Category:
Integrated Optics

History
Original Manuscript: April 2, 2013
Revised Manuscript: May 10, 2013
Manuscript Accepted: May 23, 2013
Published: September 4, 2013

Citation
Haifeng Zhou, Junfeng Song, Edward K. S. Chee, Chao Li, Huijuan Zhang, and Guoqiang Lo, "A compact thermo-optical multimode-interference silicon-based 1×4 nano-photonic switch," Opt. Express 21, 21403-21413 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-18-21403


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