Generation of picosecond pulses and frequency combs in actively mode locked external ring cavity quantum cascade lasers
- Department of Physics and Astronomy, Texas A and M University, College Station, Texas 77843-4242 (United States)
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138 (United States)
We propose a robust and reliable method of active mode locking of mid-infrared quantum cascade lasers and develop its theoretical description. Its key element is the use of an external ring cavity, which circumvents fundamental issues undermining the stability of mode locking in quantum cascade lasers. We show that active mode locking can give rise to the generation of picosecond pulses and phase-locked frequency combs containing thousands of the ring cavity modes.
- OSTI ID:
- 22253918
- Journal Information:
- Applied Physics Letters, Vol. 103, Issue 23; 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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