Journal
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume 17, Issue 5, Pages 1311-1317Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTQE.2011.2118745
Keywords
Mode-locked lasers; optical feedback; semiconductor quantum-dot (QD) lasers; timing jitter
Categories
Funding
- Air Force Office of Scientific Research [FA9550-10-1-0276, FA9550-09-1-0490]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0903448] Funding Source: National Science Foundation
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The pulse-to-pulse rms timing jitter of a 5.25-GHz quantum-dot (QD) two-section passively mode-locked laser is characterized through an all-microwave technique. The experimental phase noise spectra at different harmonics are in good agreement with previous diffusion-based theory. This theory is validated for a QD mode-locked laser device for the first time. This measurement technique provides a simple way to characterize the noise performance of a passively mode-locked laser. Furthermore, the average pulse-to-pulse rms timing jitter reduces from 295 to 32 fs/cycle via external optical feedback.
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