Suppression of even-order photodiode distortions via predistortion linearization with a bias-shifted Mach-Zehnder modulator | Zendy

Vincent J. Urick | Zendy; Meredith N. Hutchinson | Zendy; Joseph M. Singley | Zendy; Jason D. McKinney | Zendy; Keith J. Williams | Zendy

Open Access

Suppression of even-order photodiode distortions via predistortion linearization with a bias-shifted Mach-Zehnder modulator

Author(s) -

Vincent J. Urick,

Meredith N. Hutchinson,

Joseph M. Singley,

Jason D. McKinney,

Keith J. Williams

Publication year - 2013

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.21.014368

Subject(s) - intermodulation , photodiode , optics , physics , predistortion , electro optic modulator , distortion (music) , linearization , photonics , nonlinear distortion , optoelectronics , amplifier , optical modulator , phase modulation , nonlinear system , cmos , quantum mechanics , phase noise

A new technique to cancel photodiode-induced even-order distortion in microwave photonic links is demonstrated. A single Mach-Zehnder modulator, biased slightly away from the quadrature point, is shown to suppress photodiode second-order intermodulation distortion in excess of 40 dB without affecting the fundamental power. The technique is theoretically described with supporting experimental results.

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