1.55-μm AlGaInAs/InP Sampled Grating Laser Diodes for Mode Locking at Terahertz Frequencies
IEEE Journal of Selected Topics in Quantum Electronics（2018）
Abstract
We report mode locking in lasers integrated with semiconductor optical amplifiers, using either conventional or phase-shifted sampled grating distributed Bragg reflectors (DBRs). For conventional sampled gratings with a continuous grating coupling coefficient of ~80 cm-1, mode locking was observed at a fundamental frequency of 628 GHz and second harmonic of 1.20 THz. The peak output power was up t...
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Key words
Gratings,Semiconductor optical amplifiers,Laser mode locking,Optical reflection,Couplings,Distributed Bragg reflectors,Waveguide lasers
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