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Proceedings Paper

Quantum-dot mode-locked lasers with dual mode optical injection
Author(s): Tatiana Habruseva; Natalia Rebrova; Stephen P. Hegarty; Guillaume Huyet
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Paper Abstract

Quantum-dot mode-locked lasers are injection-locked by coherent two-tone master sources. With optical injection the slave laser optical spectrum becomes narrowed and tunable via the master wavelength. Frequency-resolved Mach-Zehnder gating measurements performed to characterize slave laser pulses showed significantly improved pulse time-bandwidth product (TBP) with optical injection. Measurements of the modal optical linewidths of the injected laser demonstrated phase locking of all the slave laser modes to the master laser, which improved significantly the device timing jitter. Integrated over a 20 kHz-80 MHz range timing jitter values of 210 fs were achieved for small injection powers, close to the best reported results for the hybrid mode-locking of similar QD-MLLs.

Paper Details

Date Published: 27 April 2010
PDF: 8 pages
Proc. SPIE 7720, Semiconductor Lasers and Laser Dynamics IV, 77200Z (27 April 2010); doi: 10.1117/12.854338
Show Author Affiliations
Tatiana Habruseva, Tyndall National Institute (Ireland)
Cork Institute of Technology (Ireland)
Natalia Rebrova, Tyndall National Institute (Ireland)
Cork Institute of Technology (Ireland)
Stephen P. Hegarty, Tyndall National Institute (Ireland)
Cork Institute of Technology (Ireland)
Guillaume Huyet, Tyndall National Institute (Ireland)
Cork Institute of Technology (Ireland)


Published in SPIE Proceedings Vol. 7720:
Semiconductor Lasers and Laser Dynamics IV
Krassimir Panajotov; Marc Sciamanna; Angel A. Valle; Rainer Michalzik, Editor(s)

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