Long-Term Frequency Stabilization of 10-GHz Quantum-Dash Passively Mode-Locked Lasers
- 3 June 2015
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Journal of Selected Topics in Quantum Electronics
- Vol. 21 (6), 46-52
- https://doi.org/10.1109/jstqe.2015.2440258
Abstract
This paper reports on the repetition frequency stability of InAs/InP quantum-dash-based mode locked lasers emitting in the 1.55-μm telecom window and of a long-term frequency stabilization schemes. We discuss the main noise sources that affect the frequency stability. In free running operation, quantum-dash-based mode locked lasers demonstrate an initial long-term stability of ~ 10-7. In order to improve it, we developed different approaches based on electrical feedback and optical feedback loops. The stabilization systems exploit the bias-dependent frequency drift and the optical feedback sensitivity to keep repetition frequency in lock for an extensive period of time with a stability of 1.5 × 10 -9 .Keywords
Funding Information
- European Commission (EC-FP7 BIG PIPES)
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