
Proceedings Paper
Frequency comb interband cascade laser stabilization by time-delayed optical self-injectionFormat | Member Price | Non-Member Price |
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Paper Abstract
Interband cascade laser (ICL) optical frequency combs are promising midwave infrared sources for dual comb spectroscopy probing the strong fundamental absorption lines of numerous chemical and biological agents. In this work, a 4-mm-long ICL frequency comb emitting at 3.3 μm was operated by single-cavity optical self-injection. The experiments employing a free-space optical self-injection length of 1.1m with fine-delay control demonstrated a tuning range of 119MHz around the free-running intermode beat frequency of 9.58 GHz. For resonant fine-delay the line width of the intermode beat frequency was reduced to 390 kHz, what is an improvement by a factor of 40 in comparison to the solitary laser line width.
Paper Details
Date Published: 24 February 2020
PDF: 6 pages
Proc. SPIE 11301, Novel In-Plane Semiconductor Lasers XIX, 113011B (24 February 2020); doi: 10.1117/12.2547154
Published in SPIE Proceedings Vol. 11301:
Novel In-Plane Semiconductor Lasers XIX
Alexey A. Belyanin; Peter M. Smowton, Editor(s)
PDF: 6 pages
Proc. SPIE 11301, Novel In-Plane Semiconductor Lasers XIX, 113011B (24 February 2020); doi: 10.1117/12.2547154
Show Author Affiliations
Dominik Auth, Technische Univ. Darmstadt (Germany)
Mahmood Bagheri, California Institute of Technology (United States)
Clifford Frez, California Institute of Technology (United States)
Chadwick L. Canedy, U.S. Naval Research Lab. (United States)
Mahmood Bagheri, California Institute of Technology (United States)
Clifford Frez, California Institute of Technology (United States)
Chadwick L. Canedy, U.S. Naval Research Lab. (United States)
Igor Vurgaftman, U.S. Naval Research Lab. (United States)
Jerry R. Meyer, U.S. Naval Research Lab. (United States)
Stefan Breuer, Technische Univ. Darmstadt (Germany)
Jerry R. Meyer, U.S. Naval Research Lab. (United States)
Stefan Breuer, Technische Univ. Darmstadt (Germany)
Published in SPIE Proceedings Vol. 11301:
Novel In-Plane Semiconductor Lasers XIX
Alexey A. Belyanin; Peter M. Smowton, Editor(s)
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