A parity-time-symmetric optoelectronic oscillator with polarization multiplexed channels

Date
2022-04-05
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Source Title
Journal of Optics
Print ISSN
2040-8978
Electronic ISSN
2040-8986
Publisher
Institute of Physics Publishing Ltd.
Volume
24
Issue
5
Pages
1 - 6
Language
English
Type
Article
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Abstract

In this manuscript, we experimentally demonstrate a parity-time-symmetric optoelectronic oscillator (OEO) with polarization multiplexed channels. We obtained a microwave single-mode oscillation at 9.5 GHz with phase noise values of −116.2 and −122.3 dBc Hz−1 at 10 kHz offset frequencies, and side mode suppression values below −68 and −75 dBc Hz−1, by utilizing a 1 km long and 5 km long single mode fiber delay lines, respectively. Our experimental results suggest that parity-time-symmetric OEOs with polarization multiplexed channels are simple and cost-efficient alternatives to their more complex counterparts.

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Keywords
Optoelectronic oscillators, Polarization multiplexing, Parity-time symmetry, Microwave optics
Citation
Published Version (Please cite this version)