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Optics Letters

Optics Letters

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  • Vol. 27, Iss. 3 — Feb. 1, 2002
  • pp: 170–172

Free-running frequency stability of mid-infrared quantum cascade lasers

T. L. Myers, R. M. Williams, M. S. Taubman, C. Gmachl, F. Capasso, D. L. Sivco, J. N. Baillargeon, and A. Y. Cho  »View Author Affiliations


Optics Letters, Vol. 27, Issue 3, pp. 170-172 (2002)
http://dx.doi.org/10.1364/OL.27.000170


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Abstract

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

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/ol/abstract.cfm?URI=ol-27-3-170

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