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Proceedings Paper

Frequency domain analysis of fiber bragg grating based phase modulation to intensity modulation conversion
Author(s): Fei Zeng; Jianping Yao
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Paper Abstract

In this paper, optical phase modulation to intensity modulation by the use of a fiber Bragg grating (FBG) based frequency discriminator is proposed and experimentally demonstrated. In the proposed approach, the optical carrier frequency is placed at the quadrature point of the positive or negative slope of the reflection response of the FBG. The phase modulated light reflected from the two opposite slopes will have a π phase difference, which makes bipolar operation possible in an all-optical microwave signal processor or an optical code division multiple-access system. Both the frequency and phase responses of the FBG are taken into account to build a theoretical model in a frequency domain. Phase modulation to intensity modulation conversion based on a Gaussian apodized FBG is experimentally implemented. The results confirm the theoretical analysis.

Paper Details

Date Published: 5 October 2005
PDF: 8 pages
Proc. SPIE 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics, 59712B (5 October 2005); doi: 10.1117/12.628628
Show Author Affiliations
Fei Zeng, Univ. of Ottawa (Canada)
Jianping Yao, Univ. of Ottawa (Canada)


Published in SPIE Proceedings Vol. 5971:
Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics
Roberto A. Morandotti; Harry E. Ruda; Jianping Yao, Editor(s)

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