CUED Publications database

Enhanced 10-Gbit/s link performance for directly Modulated complex-coupled DFB lasers via resonance frequency, damping rate, and chirp

Liu, Y and White, JK and Plumb, D and Penty, RV and White, IH (2005) Enhanced 10-Gbit/s link performance for directly Modulated complex-coupled DFB lasers via resonance frequency, damping rate, and chirp. IEEE Journal on Selected Topics in Quantum Electronics, 11. pp. 1112-1120. ISSN 1077-260X

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Abstract

This paper demonstrates the respective roles that combined index- and gain-coupling play in the overall link performance of distributed feedback (DFB) lasers. Their impacts on both static and dynamic properties such as slope efficiency, resonance frequency, damping rate, and chirp are investigated. Simulation results are compared with experimental data with good agreement. Transmission-oriented optimization is then demonstrated based on a targeted specification. The design tradeoffs are revealed, and it is shown that a modest combination of index- and gain-coupling enables optimum transmission at 10 Gbit/s.

Item Type: Article
Uncontrolled Keywords: 10 Gbit/s Chirp Damping rate DFB laser Direct modulation Gain-coupling Index-coupling Resonance frequency Slope efficiency
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:43
Last Modified: 26 Nov 2014 19:06
DOI: 10.1109/JSTQE.2005.853783