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Optical Engineering

Reconfigurable ultra-wideband waveform generation with simple photonic devices
Author(s): Mansour Dastmalchi; Mohammad Abtahi; David Lemus; Leslie A. Rusch; Sophie LaRochelle
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Paper Abstract

We propose and experimentally demonstrate a low cost, low power consumption technique for ultra-wideband pulse shaping. Our approach is based on thermal apodization of two identical linearly chirped fiber Bragg gratings (LCFBG) placed in both arms of a balanced photodetector. Resistive heating elements with low electrical power consumption are used to tune the LCFBG spectral responses. Using a standard gain switched distributed feedback laser as a pulsed optical source and a simple energy detector receiver, we measured a bit error rate of 1.5×10−4 at a data rate of 1  Gb/s after RF transmission over a 1-m link.

Paper Details

Date Published: 2 August 2012
PDF: 6 pages
Opt. Eng. 51(8) 085002 doi: 10.1117/1.OE.51.8.085002
Published in: Optical Engineering Volume 51, Issue 8
Show Author Affiliations
Mansour Dastmalchi, Ctr. d'optique, photonique et laser (Canada)
Mohammad Abtahi, Ctr. d'optique, photonique et laser (Canada)
David Lemus, Ctr. d'optique, photonique et laser (Canada)
Leslie A. Rusch, Ctr. d'optique, photonique et laser (Canada)
Sophie LaRochelle, Ctr. d'optique, photonique et laser (Canada)

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