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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 5 — Mar. 1, 2011
  • pp: 681–683

Laser frequency modulation noise measurement by recirculating delayed self-heterodyne method

Hidemi Tsuchida  »View Author Affiliations


Optics Letters, Vol. 36, Issue 5, pp. 681-683 (2011)
http://dx.doi.org/10.1364/OL.36.000681


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Abstract

I propose and demonstrate the use of the recirculating delayed self-heterodyne (DSH) method for measuring FM noise power spectral densities (PSDs), which are the most fundamental measure characterizing the spectral purity of laser sources. By analyzing the DSH beat signals with 1, 10, and 160 km delays, the FM noise PSD of a narrow- linewidth fiber laser is evaluated for Fourier frequency range between 10 Hz and 100 kHz , which exhibits flicker noise as the dominant contribution.

© 2011 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(120.3688) Instrumentation, measurement, and metrology : Lightwave analyzers
(060.2840) Fiber optics and optical communications : Heterodyne

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 26, 2010
Revised Manuscript: January 17, 2011
Manuscript Accepted: January 21, 2011
Published: February 24, 2011

Citation
Hidemi Tsuchida, "Laser frequency modulation noise measurement by recirculating delayed self-heterodyne method," Opt. Lett. 36, 681-683 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-5-681

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