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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 24 — Dec. 15, 2007
  • pp: 3486–3488

Microwave pulse phase encoding using a photonic microwave delay-line filter

Yitang Dai and Jianping Yao  »View Author Affiliations

Optics Letters, Vol. 32, Issue 24, pp. 3486-3488 (2007)

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A novel technique to perform microwave pulse phase encoding using an incoherent photonic microwave delay-line filter is proposed and experimentally demonstrated. Being different from a regular microwave delay-line filter, in which the time-delay differences are identical between any adjacent taps, the proposed filter has nonidentical time-delay differences. A phase-encoded microwave pulse with the required code pattern is generated by properly adjusting the time-delay differences. The chip number of a generated phase code is determined by the number of the filter taps, and the phase shift of each chip is determined by the corresponding time-delay difference. The proposed technique is verified by experiments. The generation of binary and quaternary phase-coded pulses is experimentally demonstrated.

© 2007 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.1170) Fourier optics and signal processing : Analog optical signal processing

ToC Category:
Fourier optics and signal processing

Original Manuscript: August 31, 2007
Revised Manuscript: October 31, 2007
Manuscript Accepted: November 1, 2007
Published: December 4, 2007

Yitang Dai and Jianping Yao, "Microwave pulse phase encoding using a photonic microwave delay-line filter," Opt. Lett. 32, 3486-3488 (2007)

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