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Advanced modulation format generation using high-speed directly modulated lasers for optical metro/access systems

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3 Author(s)
Chun-Kit Chan ; Dept. of Inf. Eng., Chinese Univ. of Hong Kong, Shatin, China ; Wei Jia ; Zhixin Liu

We propose and experimentally demonstrate the generation of various modulation formats using a directly modulated chirp-managed laser (CML), including phase-shaped binary transmission (PSBT), inverse-return-to-zero duobinary (IRZ-duobinary), Manchester-duobinary, return-to-zero differential phase shift keying (RZ-DPSK) and return-to-zero differential quadrature phase-shift-keying (RZ-DQPSK). The CML-based modulation formats improved dispersion tolerance and their corresponding transmitters have the features of compactness, low power consumption and cost-effectiveness, which are desired in metro/access networks. System applications of such formats are also studied.

Published in:

Communications and Photonics Conference and Exhibition, 2011. ACP. Asia

Date of Conference:

13-16 Nov. 2011