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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 23 — Aug. 10, 2013
  • pp: 5713–5717

Stabilized fiber-optic Mach–Zehnder interferometer for carrier-frequency rejection

Nathan Cooper, Jonathan Woods, James Bateman, Alexander Dunning, and Tim Freegarde  »View Author Affiliations

Applied Optics, Vol. 52, Issue 23, pp. 5713-5717 (2013)

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We have demonstrated stabilization of a fiber-optic Mach–Zehnder interferometer, with a centimeter-scale path difference, to the transmission minimum for the carrier wave of a frequency-modulated laser beam. A time-averaged extinction of 32 dB, limited by the bandwidth of the feedback, was maintained over several hours. The interferometer was used to remove the carrier wave from a 780 nm laser beam that had been phase modulated at 2.7 GHz.

© 2013 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(020.2930) Atomic and molecular physics : Hyperfine structure
(060.2310) Fiber optics and optical communications : Fiber optics
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Atomic and Molecular Physics

Original Manuscript: May 9, 2013
Revised Manuscript: July 1, 2013
Manuscript Accepted: July 1, 2013
Published: August 7, 2013

Nathan Cooper, Jonathan Woods, James Bateman, Alexander Dunning, and Tim Freegarde, "Stabilized fiber-optic Mach–Zehnder interferometer for carrier-frequency rejection," Appl. Opt. 52, 5713-5717 (2013)

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