Phase-sensitive frequency conversion of quadrature modulated signals

Two mechanisms that can make frequency conversion based on nonlinear mixing dependent on the phase of the input signal are identified. A novel phase-to-polarization converter that converts the orthogonal phase components of an input signal to two orthogonally polarized outputs is proposed. The opera...

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Bibliographic Details
Published in:Optics express 2013-05, Vol.21 (10), p.12713-12727
Main Authors: Webb, R P, Power, M, Manning, R J
Format: Article
Language:English
Subjects:
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Refractometry - instrumentation
Refractometry - methods
Surface Plasmon Resonance - instrumentation
Surface Plasmon Resonance - methods
Telecommunications - instrumentation
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Summary:Two mechanisms that can make frequency conversion based on nonlinear mixing dependent on the phase of the input signal are identified. A novel phase-to-polarization converter that converts the orthogonal phase components of an input signal to two orthogonally polarized outputs is proposed. The operation of this scheme and a previously reported scheme at an increased symbol rate are simulated with semiconductor optical amplifiers (SOAs) as the nonlinear devices. Experimental results demonstrate the effectiveness of SOAs for nonlinear mixing over a wide range of wavelengths and difference frequencies and confirm the accuracy of the numerical model.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.012713