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Proceedings Paper

3x2 integrated microphotonic switches
Author(s): Baojun Li; Soo Jin Chua; Eugene A. Fitzgerald; Bharat S. Chaudhari; Shaoji Jiang; Zhigang Cai
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Paper Abstract

A microphotonic switch with three input waveguides and two output waveguides and integrated with an optical power splitter has been proposed. It is fabricated on the multimode interference principle in Si-based SiGe material system and configured for a 3x2 symmetrical structure of the three input waveguides and the two output waveguides of the device. The central waveguide section is based on a multimode interference and incorporated with an activated carrier injection element. The operating wavelengths of the device are specially designed for 1545, 1550, and 1555 nm conventional-band wavelengths. The measured crosstalk is at around -17 dB and the average insertion loss is about 2.3 dB. At switch-ON state, the measured injection current is 370 mA corresponding to an injection current density of 950 A/cm2.

Paper Details

Date Published: 11 February 2005
PDF: 8 pages
Proc. SPIE 5625, Optical Transmission, Switching, and Subsystems II, (11 February 2005); doi: 10.1117/12.566426
Show Author Affiliations
Baojun Li, Sun Yat-Sen Univ. (China)
Soo Jin Chua, Univ. of Singapore (Singapore)
Eugene A. Fitzgerald, Massachusetts Institute of Technology (United States)
Bharat S. Chaudhari, International Institute of Information Technology (India)
Shaoji Jiang, Sun Yat-sen Univ. (China)
Zhigang Cai, Sun Yat-sen Univ. (China)


Published in SPIE Proceedings Vol. 5625:
Optical Transmission, Switching, and Subsystems II
Cedric F. Lam; Wanyi Gu; Norbert Hanik; Kimio Oguchi, Editor(s)

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