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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 9, Iss. 5 — May. 10, 2011
  • pp: 051202–

Instantaneous frequency measurement based on transversal microwave filters with high resolution

Jianji Dong, Yuan Yu, Xinliang Zhang, and Dexiu Huang  »View Author Affiliations


Chinese Optics Letters, Vol. 9, Issue 5, pp. 051202- (2011)


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Abstract

We propose a novel photonic technique for microwave frequency measurement based on transversal microwave filters with high resolution. Two parallel microwave filters with sine and cosine frequency responses are obtained by cross gain modulation in a single semiconductor optical amplifier, which introduces two different frequency responses to achieve an amplitude comparison function. We also demonstrate a proof-of-concept experiment. The measurement error is less than +-0.04 GHz for the first band range of 0-3.45 GHz and less than +-0.03 GHz for the second band range of 3.45-5.8 GHz. Our scheme is found to be capable of being extended for larger frequency range measurements using a shorter fiber length.

© 2011 Chinese Optics Letters

OCIS Codes
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(320.7100) Ultrafast optics : Ultrafast measurements
(060.5625) Fiber optics and optical communications : Radio frequency photonics

Citation
Jianji Dong, Yuan Yu, Xinliang Zhang, and Dexiu Huang, "Instantaneous frequency measurement based on transversal microwave filters with high resolution," Chin. Opt. Lett. 9, 051202- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-5-051202

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