Low repetition rate and broad frequency tuning from a grating-coupled passively mode-locked quantum dot laser
- Department of Electronics Engineering and Institute of Electronics, National Chiao-Tung University, 1001 University Road, Hsinchu 30010, Taiwan (China)
Passively mode-locked quantum dot lasers with a grating-coupled external cavity arrangement are investigated. A broad repetition-rate tuning range of fundamental mode-locking from 2 GHz to a record-low frequency of 79.3 MHz is achieved with selecting the wavelength at 1.28 μm. A narrow RF linewidth of ∼25 Hz and an intrinsic linewidth as low as 0.15 Hz are also obtained.
- OSTI ID:
- 22253989
- Journal Information:
- Applied Physics Letters, Vol. 103, Issue 21; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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