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Linearized phase modulated microwave photonic link based on integrated ring resonators
Author(s) -
Gaojian Liu,
Okky Daulay,
Qinggui Tan,
Hongxi Yu,
David Marpaung
Publication year - 2020
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.413392
Subject(s) - intermodulation , resonator , photonics , optics , photonic integrated circuit , phase noise , phase modulation , physics , phase (matter) , microwave , optical carrier transmission rates , spurious free dynamic range , distortion (music) , optoelectronics , optical fiber , radio over fiber , dynamic range , amplifier , cmos , quantum mechanics
An on-chip linearization method for phase modulated microwave photonic link based on integrated ring resonators is proposed. By properly tailoring the phase and amplitude of optical carrier band and second-order sidebands, the third-order intermodulation distortion (IMD3) components can be suppressed. Theoretical analysis are taken and a proof-of-concept experiment is carried out. Experimental results demonstrate that IMD3 is suppressed by 21.7 dB. When the noise of the link is properly optimized, an SFDR of 112.7 dB·Hz 2/3 can be achieved. This opens the possibility of integrating linearization into a functional photonic integrated circuit.

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