PolSK Label Over VSB-CSRZ Payload Scheme in AOLS Network
Journal of Lightwave Technology, Vol. 25, Issue 6, pp. 1348-1355 (2007)
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Abstract
A novel orthogonal modulation scheme of polarization-shift-keying label over vestigial sideband payload is proposed and experimentally demonstrated over a 43-Gb/s all-optical-label-switching transmission. With this scheme, a high extinction ratio of the label is reached, while a spectral efficiency of 0.8 b/s/Hz is achieved by weakening the imperfection of the high-speed pulse sequence in polarization modulation. Furthermore, this modulation scheme is relatively irrelevant with payload bit rate. The payload and label penalties after 80-km NZDSF fiber transmission and label erasure are 1.5 and 1 dB, respectively. The influence of filter center frequency offset is also investigated. Besides, a label rewriting method is introduced to simplify label processing in intermedia nodes. All these results show that this scheme can be a candidate technique for the next-generation optical network.
© 2007 IEEE
Citation
Hongwei Chen, Minghua Chen, and Shizhong Xie, "PolSK Label Over VSB-CSRZ Payload Scheme in AOLS Network," J. Lightwave Technol. 25, 1348-1355 (2007)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-25-6-1348
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