The buffer depth extension by incorporating Mach-Zehnder interferometer into SOA-based dual loop optical buffer

Songnian Fu; P. Shum; Wong Chye Shin; Wu Chongqing; Yajie Li; Dong Hui

doi:10.1117/12.743510

19 November 2007 The buffer depth extension by incorporating Mach-Zehnder interferometer into SOA-based dual loop optical buffer

Songnian Fu, P. Shum, Wong Chye Shin, Wu Chongqing, Yajie Li, Dong Hui

Author Affiliations +

Proceedings Volume 6783, Optical Transmission, Switching, and Subsystems V; 678335 (2007) https://doi.org/10.1117/12.743510
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

It is essential to extend the optical buffer depth to meet the burst-mode packet requirement. In this paper, we propose to incorporate the Mach-Zehnder interferometer (MZI) into our successful SOA-based dual loop optical buffer (DLOB) configuration. The maximum packet length for the DLOB storage is evaluated theoretically, and the fiber loop utilization can be greatly enhanced with our modified configuration. Then we have successfully demonstrated the 2.5 Gbps variable-length packet loadable function with the MZI-DLOB configuration. The waveform of variable-length packet is little degraded after optical storage. Meanwhile an effective polarization stable method is also experimentally implemented to reduce the instability of MZI-DLOB. All the obtained results confirm the feasibility of our configuration to apply in variable-length optical packet switching.

Citation Download Citation

Songnian Fu, P. Shum, Wong Chye Shin, Wu Chongqing, Yajie Li, and Dong Hui "The buffer depth extension by incorporating Mach-Zehnder interferometer into SOA-based dual loop optical buffer", Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 678335 (19 November 2007); https://doi.org/10.1117/12.743510

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