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Generation and Transmission of 10-Gb/s RZ-DPSK Signals Using a Directly Modulated Chirp-Managed Laser

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5 Author(s)
Wei Jia ; Department of Information Engineering, The Chinese University of Hong Kong, Hong Kong SAR, China ; Jing Xu ; Zhixin Liu ; Kam-Hon Tse
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We propose and experimentally demonstrate the generation of a 10-Gb/s return-to-zero differential phase-shift keying (RZ-DPSK) signal based on a directly modulated chirp-managed laser (CML), without requiring any differential encoder and optical phase modulator (PM). It shows better fiber chromatic dispersion tolerance and comparable nonlinearity tolerance, compared with a PM-based RZ-DPSK signal using 231 - 1 pseudorandom bit sequence data.

Published in:

IEEE Photonics Technology Letters  (Volume:23 ,  Issue: 3 )