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Proceedings Paper

The buffer depth extension by incorporating Mach-Zehnder interferometer into SOA-based dual loop optical buffer
Author(s): Songnian Fu; P. Shum; Wong Chye Shin; Wu Chongqing; Yajie Li; Dong Hui
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Paper 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.

Paper Details

Date Published: 19 November 2007
PDF: 10 pages
Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 678335 (19 November 2007); doi: 10.1117/12.743510
Show Author Affiliations
Songnian Fu, Nanyang Technological Univ. (Singapore)
P. Shum, Nanyang Technological Univ. (Singapore)
Wong Chye Shin, Nanyang Technological Univ. (Singapore)
Wu Chongqing, Beijing Jiaotong Univ. (China)
Yajie Li, Beijing Jiaotong Univ. (China)
Dong Hui, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 6783:
Optical Transmission, Switching, and Subsystems V
Dominique Chiaroni; Wanyi Gu; Ken-ichi Kitayama; Chang-Soo Park, Editor(s)

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