Tunable WDM dispersion compensation with fixed bandwidth and fixed passband center wavelength using a uniform FBG

We report an fiber Bragg grating-based tunable dispersion compensator with fixed bandwidth and fixed passband center wavelength for wavelength-division-multiplexing (WDM) channels. Chirping of the grating is achieved by bending a cantilever, and the tunability is realized by controlling the length o...

Full description

Saved in:

Bibliographic Details
Published in:	IEEE photonics technology letters 2002-08, Vol.14 (8), p.1193-1195
Main Authors:	Song, Y.W., Starodubov, D., Pan, Z., Xie, Y., Willner, A.E., Feinberg, J.
Format:	Article
Language:	eng
Subjects:	Bands Bandwidth Bending Bragg gratings Channels Chirp Chromatic dispersion Compensation Crosstalk Delay effects Dispersions Fiber gratings Optical fiber dispersion Passband Wavelength division multiplexing Wavelengths
Online Access:	Get full text
Tags:	Add Tag No Tags, Be the first to tag this record!

Description
Summary:	We report an fiber Bragg grating-based tunable dispersion compensator with fixed bandwidth and fixed passband center wavelength for wavelength-division-multiplexing (WDM) channels. Chirping of the grating is achieved by bending a cantilever, and the tunability is realized by controlling the length of the induced chirping within a longer uniform grating. Due to the fixed center wavelength and bandwidth, crosstalk from adjacent wavelength bands is minimized and a single passband can potentially accommodate several WDM channels. We demonstrate tunable dispersion compensation up to 1500 ps/nm with a 10-cm uniform grating. Moreover, both negative and positive 400-ps/nm values are achieved in a single device with 2-nm bandwidth.
ISSN:	1041-1135 1941-0174