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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2735–2738

Comb-based radio-frequency photonic filtering with 20 ns bandwidth reconfiguration

Rui Wu, Minhyup Song, Daniel E. Leaird, and Andrew M. Weiner  »View Author Affiliations

Optics Letters, Vol. 38, Issue 15, pp. 2735-2738 (2013)

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We present a scheme to generate a 10 GHz optical frequency comb that is bandwidth reconfigurable on a time scale of tens of nanoseconds via electronic control of the drive signal to a phase modulator. When such a comb is used as the source for a radio-frequency (RF) photonic filter employing dispersive propagation, the RF filter bandwidth varies in inverse proportion to the optical bandwidth. As a result we are able to demonstrate, for the first time to our knowledge, bandwidth-reconfigurable RF filtering with transition times under 20 ns. The reconfiguration speed is determined by the response time of a programmable RF variable attenuator.

© 2013 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.2090) Optical devices : Electro-optical devices
(060.5625) Fiber optics and optical communications : Radio frequency photonics

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: May 7, 2013
Manuscript Accepted: June 18, 2013
Published: July 24, 2013

Rui Wu, Minhyup Song, Daniel E. Leaird, and Andrew M. Weiner, "Comb-based radio-frequency photonic filtering with 20 ns bandwidth reconfiguration," Opt. Lett. 38, 2735-2738 (2013)

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