Novel Phase Modulator Linearity Measurement

Phase modulator linearity is an important concern for high dynamic range phase modulated optic links. However, the determination of phase modulator linearity is difficult as it requires an optical phase demodulator that generally contains nonlinear distortion that tends to contaminate the measuremen...

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Bibliographic Details
Published in:IEEE photonics technology letters 2009-10, Vol.21 (19), p.1405-1407
Main Authors: Yifei Li, Renyuan Wang, Guanghai Ding, Klamkin, J.S., Johansson, L.A., Herczfeld, P., Bowers, J.E.
Format: Article
Language:English
Subjects:
Contamination
Distortion
Distortion measurement
Dynamic range
Integrated circuit measurements
Linear phase
Linearity
Modulators
Nonlinear optics
Optical distortion
Optical modulation
optical phase modulator
optical phase-locked loop (OPLL)
Phase demodulators
Phase measurement
Phase modulation
Photonics
Pollution measurement
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Summary:Phase modulator linearity is an important concern for high dynamic range phase modulated optic links. However, the determination of phase modulator linearity is difficult as it requires an optical phase demodulator that generally contains nonlinear distortion that tends to contaminate the measurements. In this letter, we present a simple and effective approach for phase modulator linearity measurement that can be made into a photonic integrated circuit and does not require a reference linear phase modulator. We also present the measurement results.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2009.2026727