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Proceedings Paper

Application of low-cost directly modulated DBF laser transmitters in 600-km dispersion-compensated regional DWDM network
Author(s): Jin Yu; Hongxing Dai; Xinhong Wang; Zhijian Zhang; Jin-Yi Pan
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Paper Abstract

We report the experimental results in transmission of 32 DWDM channels at OC48 over standard single mode fiber of 600 km using Directly-Modulated Laser (DML) transmitters. Fiber loss is compensated with 7 cascaded Erbium Doped Fiber Amplifiers (EDFA). Large chirp of a DML transmitter imposes a transmission limit of distance at about 200 km. Dispersion Compensating Fiber (DCF) is used to recover signal from distortion due to the interaction of fiber dispersion and laser chirp. In our test bed, we achieve the successful transmission with 1.5-dB power penalty for 600 km. Our study also shows that the transmission with DML transmitter incorporated with dispersion compensation exhibits economic advantage over the one with Electric-absorption Modulated Laser (EML) based networks. In addition, the dispersion compensated network can be upgraded to OC192.

Paper Details

Date Published: 16 October 2001
PDF: 6 pages
Proc. SPIE 4583, Metro and Access Networks, (16 October 2001); doi: 10.1117/12.445111
Show Author Affiliations
Jin Yu, Sorrento Networks, Inc. (United States)
Hongxing Dai, Sorrento Networks, Inc. (United States)
Xinhong Wang, Sorrento Networks, Inc. (United States)
Zhijian Zhang, Sorrento Networks, Inc. (United States)
Jin-Yi Pan, Sorrento Networks, Inc. (United States)

Published in SPIE Proceedings Vol. 4583:
Metro and Access Networks
Wanyi Gu; Jianhui Zhou; Jin-Yi Pan, Editor(s)

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