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Optics Letters

Optics Letters


  • Vol. 27, Iss. 9 — May. 1, 2002
  • pp: 763–765

Single-tone frequency-modulation spectroscopy with frequency-doubled current-modulated diode laser light

G. Hancock, V. L. Kasyutich, and G. A. D. Ritchie  »View Author Affiliations

Optics Letters, Vol. 27, Issue 9, pp. 763-765 (2002)

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We demonstrate and characterize the generation of single-tone frequency-modulated and frequency-doubled radiation at 400 MHz and 430 nm. We obtained the radiation at 430 nm by frequency doubling light from a current-modulated 860-nm diode laser, using noncritical type I phase matching in a KNbO3 crystal. The optical spectrum of the doubled light was found to be in keeping with our expectations based on the measured frequency- and amplitude-modulation indices of the fundamental radiation. The experimentally measured diode laser and crystal parameters were used to simulate the in-phase and quadrature signals that would be observed in a single-tone frequency-modulation spectroscopy experiment.

© 2002 Optical Society of America

OCIS Codes
(060.2630) Fiber optics and optical communications : Frequency modulation
(120.1880) Instrumentation, measurement, and metrology : Detection
(190.7220) Nonlinear optics : Upconversion
(280.1740) Remote sensing and sensors : Combustion diagnostics
(300.1030) Spectroscopy : Absorption
(300.6260) Spectroscopy : Spectroscopy, diode lasers

G. Hancock, V. L. Kasyutich, and G. A. D. Ritchie, "Single-tone frequency-modulation spectroscopy with frequency-doubled current-modulated diode laser light," Opt. Lett. 27, 763-765 (2002)

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