Quadratic Electrooptic Effect for Frequency Down-Conversion

A novel optical frequency down-conversion approach employing the quadratic electrooptic effect is proposed, analyzed, and verified. This down-conversion method can seamlessly integrate with an optical phase-locked-loop linear phase demodulator. It has the potential to achieve a large dynamic range a...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2010-03, Vol.58 (3), p.665-673
Main Authors: Yifei Li, Renyuan Wang, Klamkin, J.S., Johansson, L.A., Herczfeld, P.R., Bowers, J.E.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Conversion
Demodulation
Demodulators
Devices
Dynamic range
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Electrooptic effects
Electrooptics
Exact sciences and technology
Frequency
Frequency conversion
Indium phosphide
Integrated optics
Linear phase
Linearity
Microwaves
Modulators
Optical losses
Optical noise
optical phase-locked loop (OPLL)
Phase locked loops
quadratic electrooptic effect
Signal convertors
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Description
Summary:A novel optical frequency down-conversion approach employing the quadratic electrooptic effect is proposed, analyzed, and verified. This down-conversion method can seamlessly integrate with an optical phase-locked-loop linear phase demodulator. It has the potential to achieve a large dynamic range and low conversion loss. Comprehensive theoretical studies are performed to investigate the noise, efficiency, and linearity of this down-conversion approach. Experiments are then conducted. It is found that the unwanted fourth-order electrooptic effect of the InP modulator device limits the dynamic range.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2010.2040355