Continuously tunable orthogonally polarized RF optical single sideband generator based on micro-ring resonators

Xu, X, Wu, J, Jia, L, Tan, M, Nguyen, T, Chu, S, Little, B, Morandotti, R, Mitchell, A and Moss, D 2018, 'Continuously tunable orthogonally polarized RF optical single sideband generator based on micro-ring resonators', Journal of Optics (United Kingdom), vol. 20, no. 11, pp. 1-9.


Document type: Journal Article
Collection: Journal Articles

Title Continuously tunable orthogonally polarized RF optical single sideband generator based on micro-ring resonators
Author(s) Xu, X
Wu, J
Jia, L
Tan, M
Nguyen, T
Chu, S
Little, B
Morandotti, R
Mitchell, A
Moss, D
Year 2018
Journal name Journal of Optics (United Kingdom)
Volume number 20
Issue number 11
Start page 1
End page 9
Total pages 9
Publisher Institute of Physics Publishing
Abstract We demonstrate a continuously RF tunable orthogonally polarized optical single sideband (OP-OSSB) generator based on dual cascaded micro-ring resonators (MRRs). By splitting the input double sideband signal into an orthogonally polarized carrier and lower sideband via TE- and TM-polarized MRRs, an OP-OSSB signal is generated. A large tuning range of the optical carrier to sideband ratio of up to 57.3 dB is achieved by adjusting the polarization angle of the input light. The operation RF frequency of the OP-OSSB generator can be continuously tuned with a 21.4 GHz range via independent thermal control of the two MRRs. Our device represents a competitive approach towards OP-OSSB generation with wideband tunable RF operation, and is promising for photonic RF signal transmission and processing in radar and communication systems.
Subject Photonics and Electro-Optical Engineering (excl. Communications)
Keyword(s) generator
micro ring resonator
microwave
orthogonal sideband
photonic
radio frequency
DOI - identifier 10.1088/2040-8986/aae3fe
Copyright notice © 2018 IOP Publishing Ltd.
ISSN 2040-8978
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