Linearized optical single sideband Mach-Zehnder electro-optic modulator for radio over fiber systems | Zendy

Biagio Masella | Zendy; Xiupu Zhang | Zendy

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Linearized optical single sideband Mach-Zehnder electro-optic modulator for radio over fiber systems

Author(s) -

Biagio Masella,

Xiupu Zhang

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.009181

Subject(s) - electro optic modulator , optics , compatible sideband transmission , sideband , radio over fiber , physics , distortion (music) , optical power , optical fiber , radio frequency , optical modulator , materials science , optoelectronics , phase modulation , telecommunications , phase noise , computer science , amplifier , laser , cmos

We propose a linearized optical single sideband Mach-Zehnder electro-optic modulator (MZ-EOM) for radio over fiber systems. This proposed modulator utilizes a dual-electrode MZ-EOM biased at quandrature, the two electrodes are fed with asymmetrical RF power through an 180? hybrid coupler and the two optical ports of MZ-EOM are bi-directionally injected by the same optical source, but with different optical power. Using such a modulator, third order nonlinear distortion is significantly suppressed and relative spurious free dynamic range is improved by 10 and 20 dB compared to dual-parallel linearized MZ-EOM and conventional MZ-EOM, respectively.

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