Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 26, Issue 22, Pages 2229-2231Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2014.2351402
Keywords
Orthogonal optical single-sideband modulation; polarization-maintaining fiber Bragg grating; Sagnac loop
Funding
- Major Program, National Natural Science Foundation of China (NSFC) [61090390, 61275078]
- National Basic Research Program of China [2012CB315702, 2012CB315703]
- Foundation for Innovative Research Groups, NSFC [61021003]
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A novel microwave photonics technique that enables the modulation of orthogonal optical single-sideband (OSSB) by using an improved Sagnac-loop-based modulator is proposed and experimentally demonstrated. The dual-driving Mach-Zehnder modulator and polarization-maintaining fiber Bragg grating are integrated inside and outside the Sagnac loop, respectively, in order to realize the OSSB modulation and polarization-selective filtering. Therefore, the precisely defined orthogonal OSSB signal can be generated steadily at 20-GHz carrier frequency in the experiment.
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