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Integrated Optics

Study for performance of thermo-optic matrix switches with flexible switching units and Banyan networks

[+] Author Affiliations
De-Gui Sun

Chinese Academy of Sciences, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, 16 East Nanhu Street, Changchun, JL 130031, China

Wenyuan Deng, Shulin E, Ying Zha, Zhiying Liu, Xiaoqi Li

Chinese Academy of Sciences, State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, 16 East Nanhu Street, Changchun, JL 130031, China

Opt. Eng. 45(1), 014602 (January 24, 2006). doi:10.1117/1.2158997
History: Received October 01, 2004; Revised April 13, 2005; Accepted June 08, 2005; Published January 24, 2006
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A large-scale optical matrix switch is generally composed of a permutation of switching units connected by a network of optical signal paths. In this work, a configuration of optical matrix switches with flexible switching units and Banyan networks is proposed. With Banyan networks, silica-based waveguides, and two types of switching units, the insertion loss of the optical matrix switch configuration is extensively studied for serial scales from 2×2 to 64×64. Typically for an 8×8 optical matrix switch, the insertion losses are achieved 3.0dB for a rearrangeably nonblocking configuration with two-state 2×2 switching units, and 4.7dB for a strictly nonblocking configuration with three-state 2×2 switching units when the intersection angle is designed as 30deg. Even at the released intersection angle of 20deg, the insertion losses of 4.0 and 5.8dB can be achieved for the rearrangeably nonblocking and strictly nonblocking configurations, respectively. In addition, the blocking property and the scalability of the large-scale matrix optical switches with this regime are analyzed.

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© 2006 Society of Photo-Optical Instrumentation Engineers

Citation

De-Gui Sun ; Wenyuan Deng ; Shulin E ; Ying Zha ; Zhiying Liu, et al.
"Study for performance of thermo-optic matrix switches with flexible switching units and Banyan networks", Opt. Eng. 45(1), 014602 (January 24, 2006). ; http://dx.doi.org/10.1117/1.2158997


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