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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 12 — Jun. 13, 2005
  • pp: 4752–4758

Repetition rate multiplication of multi-wavelength pulses by spectral elimination with a birefringence loop mirror filter

M. P. Fok, W. W. Tang, and C. Shu  »View Author Affiliations

Optics Express, Vol. 13, Issue 12, pp. 4752-4758 (2005)

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We demonstrate simultaneous repetition rate multiplication of laser pulses at multiple wavelengths using the spectral elimination approach. The phase coherence between the pulses is preserved while the aggregate bandwidth can be significantly enhanced. The repetition rates of pulses from both a mode-locked fiber ring laser and a pair of gain-switched DFB laser diodes have been multiplied to over 18 GHz per wavelength using the same setup. The key element is an all-fiber, polarization independent birefringence loop mirror comb filter. The broad transmission peaks of the filter also allow a large tolerance in the drift of the input wavelengths and repetition rates. A detuning range of 1.2 GHz is observed, corresponding to 13% of the input frequency.

© 2005 Optical Society of America

OCIS Codes
(120.5790) Instrumentation, measurement, and metrology : Sagnac effect
(350.2460) Other areas of optics : Filters, interference

ToC Category:
Research Papers

Original Manuscript: May 5, 2005
Revised Manuscript: June 6, 2005
Published: June 13, 2005

M. P. Fok, W. W. Tang, and C. Shu, "Repetition rate multiplication of multi-wavelength pulses by spectral elimination with a birefringence loop mirror filter," Opt. Express 13, 4752-4758 (2005)

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