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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 12 — Jun. 15, 2011
  • pp: 2305–2307

Comb filter with independently tunable wavelength spacing and bandwidth using cascaded variable differential group delay elements

H.-Y. Jiang, L.-S. Yan, J. Ye, W. Pan, B. Luo, and X. Steve Yao  »View Author Affiliations

Optics Letters, Vol. 36, Issue 12, pp. 2305-2307 (2011)

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An all-optical comb filter with independently tunable wavelength spacing and bandwidth (BW) is proposed. Using three cascaded variable differential-group-delay elements, we demonstrate theoretically and experimentally the tunability of the comb filter with > 10 dB sidelobe reduction by adjusting three elements. The wavelength spacing is determined by the first filter module, while the sidelobe suppression ratio and the BW are defined by the middle and the last one, respectively.

© 2011 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(350.4010) Other areas of optics : Microwaves

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 18, 2011
Revised Manuscript: May 5, 2011
Manuscript Accepted: May 10, 2011
Published: June 14, 2011

H.-Y. Jiang, L.-S. Yan, J. Ye, W. Pan, B. Luo, and X. Steve Yao, "Comb filter with independently tunable wavelength spacing and bandwidth using cascaded variable differential group delay elements," Opt. Lett. 36, 2305-2307 (2011)

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