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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 5585–5593

A single source microwave photonic filter using a novel single-mode fiber to multimode fiber coupling technique

John Chang, Mable P. Fok, James Meister, and Paul R. Prucnal  »View Author Affiliations

Optics Express, Vol. 21, Issue 5, pp. 5585-5593 (2013)

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In this paper we present a fully tunable and reconfigurable single-laser multi-tap microwave photonic FIR filter that utilizes a special SM-to-MM combiner to sum the taps. The filter requires only a single laser source for all the taps and a passive component, a SM-to-MM combiner, for incoherent summing of signal. The SM-to-MM combiner does not produce optical interference during signal merging and is phase-insensitive. We experimentally demonstrate an eight-tap filter with both positive and negative programmable coefficients with excellent correspondence between predicted and measured values. The magnitude response shows a clean and accurate function across the entire bandwidth, and proves successful operation of the FIR filter using a SM-to-MM combiner.

© 2013 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.2025) Fourier optics and signal processing : Discrete optical signal processing
(070.2615) Fourier optics and signal processing : Frequency filtering

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 2, 2013
Revised Manuscript: February 8, 2013
Manuscript Accepted: February 13, 2013
Published: February 28, 2013

John Chang, Mable P. Fok, James Meister, and Paul R. Prucnal, "A single source microwave photonic filter using a novel single-mode fiber to multimode fiber coupling technique," Opt. Express 21, 5585-5593 (2013)

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