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Proceedings Paper

Optical Hilbert transform using fiber Bragg gratings
Author(s): Jing Ge; Chinhua Wang; Xiaojun Zhu
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Paper Abstract

In this paper, we demonstrate that a simple and practical phase-shifted fiber Bragg grating (PSFBG) operated in reflection can provide the required spectral response for implementing an all-optical Hilbert transformer (HT), including both integer and fractional orders. The PSFBG consists of two concatenated identical uniform FBGs with a phase shift between them. It can be proved that the phase shift of the FBG and the apodizing profile of the refractive index modulation determine the order of the transform. The device shows a good accuracy in calculating the Hilbert transform of the complex field of an arbitrary input optical waveforms when compared with the theoretical results.

Paper Details

Date Published: 2 December 2010
PDF: 8 pages
Proc. SPIE 7851, Information Optics and Optical Data Storage, 785117 (2 December 2010); doi: 10.1117/12.870403
Show Author Affiliations
Jing Ge, Soochow Univ. (China)
Chinhua Wang, Soochow Univ. (China)
Xiaojun Zhu, Soochow Univ. (China)

Published in SPIE Proceedings Vol. 7851:
Information Optics and Optical Data Storage
Feijun Song; Shiquan Tao; Francis T. S. Yu; Suganda Jutamulia; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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