Referenced Items are not available for this document.
We demonstrate a millimeter-wave (mm-wave) synthesizer based on spectral filtering of the plusmn2 harmonics of a phase-modulated (PM) laser. Optical filters with narrow passband, good extinction ratio and tunable peak wavelengths are obtained by introducing distributed phase-shifts in a chirped fiber Bragg grating (CFBG) using current-controlled heating elements. Detailed modeling and analysis of the filter is performed using the effective index model and coupled-mode theory. We present several optimization criteria to customize the grating design and two experimental configurations are tested. The more flexible approach is based on a fiber Mach-Zehnder structure with a tunable phase-shifted CFBG in each arm. We show generation of mm-wave from 33 GHz to 48 GHz, with a maximum frequency limited by the bandwidth of the photodetector.
Published in:
Lightwave Technology, Journal of
(Volume:27
,
Issue:
22
)
Date of Publication: Nov.15, 2009
- Page(s):
- 5183 - 5191
- ISSN :
- 0733-8724
- INSPEC Accession Number:
- 10916400
- Digital Object Identifier :
- 10.1109/JLT.2009.2029537
- Product Type:
- Journals & Magazines
- Date of Publication :
- 07 August 2009
- Date of Current Version :
- 09 October 2009
- Issue Date :
- Nov.15, 2009
- Sponsored by :
- IEEE Aerospace and Electronic Systems Society
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