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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 7 — Apr. 1, 2008
  • pp: 738–740

Simple multiwavelength time-division multiplexed light source for sensing applications

Thilo Kraetschmer, Daryl Dagel, and Scott T. Sanders  »View Author Affiliations

Optics Letters, Vol. 33, Issue 7, pp. 738-740 (2008)

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We present a novel multiwavelength, time-division multiplexed laser design that continuously cycles through N spectrally narrow wavelengths, spending a specified, fixed time on each one. The design is based on a matched compressor/stretcher and a custom waveform generator applying modulation preferably to the gain medium. The realization discussed here utilizes a pulsed semiconductor optical amplifier in an all-fiber cavity containing fiber Bragg gratings. The laser cycles through 19 wavelengths in a 44 nm wide spectral band ( 1333 1377 nm ) every 15 μ s . The source contains no moving parts, offers high repetition rates, narrow spectral linewidths, and custom spectral profiling of the output.

© 2008 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 1, 2007
Revised Manuscript: February 19, 2008
Manuscript Accepted: February 26, 2008
Published: March 31, 2008

Thilo Kraetschmer, Daryl Dagel, and Scott T. Sanders, "Simple multiwavelength time-division multiplexed light source for sensing applications," Opt. Lett. 33, 738-740 (2008)

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