Kilohertz linewidth from frequency-stabilized mid-infrared quantum cascade lasers
- and others
Frequency stabilization of mid-IR quantum cascade (QC) lasers to the kilohertz level has been accomplished by use of electronic servo techniques. With this active feedback, an 8.5-{mu}m QC distributed-feedback laser is locked to the side of a rovibrational resonance of nitrous oxide (N{sub 2} O) at 1176.61 cm{sup -1} . A stabilized frequency-noise spectral density of 42 Hz/{radical}(Hz) has been measured at 100 kHz; the calculated laser linewidth is 12 kHz. (c) 1999 Optical Society of America.
- OSTI ID:
- 20217779
- Journal Information:
- Optics Letters, Journal Name: Optics Letters Journal Issue: 24 Vol. 24; ISSN 0146-9592; ISSN OPLEDP
- Country of Publication:
- United States
- Language:
- English
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