27 April 2010 Quantum-dot mode-locked lasers with dual mode optical injection
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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.
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Tatiana Habruseva, Tatiana Habruseva, Natalia Rebrova, Natalia Rebrova, Stephen P. Hegarty, Stephen P. Hegarty, Guillaume Huyet, Guillaume Huyet, } "Quantum-dot mode-locked lasers with dual mode optical injection", Proc. SPIE 7720, Semiconductor Lasers and Laser Dynamics IV, 77200Z (27 April 2010); doi: 10.1117/12.854338; https://doi.org/10.1117/12.854338
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