Free-running frequency stability of mid-infrared quantum cascade lasers
Optics Letters, Vol. 27, Issue 3, pp. 170-172 doi:10.1364/OL.27.000170
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- OCIS Codes:
- (000.2170) General : Equipment and techniques
- (140.3070) Lasers and laser optics : Infrared and far-infrared lasers
- (140.5960) Lasers and laser optics : Semiconductor lasers
Citation
T. L. Myers, R. M. Williams, M. S. Taubman, C. Gmachl, F. Capasso, D. L. Sivco, J. N. Baillargeon, and A. Y. Cho, "Free-running frequency stability of mid-infrared quantum cascade lasers," Opt. Lett. 27, 170-172 (2002)
http://www.opticsinfobase.org/abstract.cfm?URI=ol-27-3-170
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The intrinsic frequency fluctuations of two single-mode quantum cascade (QC) distributed-feedback lasers operating continuously at a wavelength of 8.5 μm are reported. A Doppler-limited rovibrational resonance of nitrous oxide is used to transform the frequency noise into measurable intensity fluctuations. The QC lasers, along with recently improved current controllers, exhibit a free-running frequency stability of 150 kHz over a 15-ms time interval.
© 2002 Optical Society of America
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Author Affiliations
Bell Laboratories, Lucent Technologies, 600 Mountain Avenue, Murray Hill, New Jersey 07974
Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352
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