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10-GHz High-Repetition Optical Short Pulse Generation from Wavelength-Tunable Quantum Dot Optical Frequency Comb Laser
Naokatsu YAMAMOTO Kouichi AKAHANE Tetsuya KAWANISHI Hideyuki SOTOBAYASHI Yuki YOSHIOKA Hiroshi TAKAI
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Quantum dot laser, Optical frequency comb, Mode locking technique, Optical pulse generation, and Wavelength-tunable laser,
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The quantum dot optical frequency comb laser (QD-CML) is an attractive photonic device for generating a stable emission of fine multiple-wavelength peaks. In the present paper, 1.0-GHz and 10-ps-order short optical pulsation is successfully demonstrated from a hybrid mode-locked QD-CML with an ultrabroadband wavelength tuning range in the T+O band. In addition, 10-GHz high-repetition intensity-stable short optical pulse generation with a high S/N ratio is successfully demonstrated using an external-cavity QD-CML with a 10th-harmonic mode-locking technique.