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Optical Review

Polarization Insensitive Wavelength Conversions by a LiNbO3 Waveguide Using a Multi-Ring Configuration

Chang‐Qing Xu, Hideaki Okayama, T. Kamijoh

Published Sep 1, 1997• 12 citations
Publisher
DOI
10.1007/s10043-997-0546-7

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Optical Fiber Communication Conference•Jan 1, 2002•1 citation
Intracavity sum-frequency generation and cascaded χ(2) wavelength conversions in a fiber ring resonator using a MgO-doped LiNbO3 quasi-phase-matched waveguide and an erbium-doped fiber amplifier were proposed and demonstrated. In the proposed configuration, the resonator enhances the pump light, and efficient wavelength conversion is realized. Dependence of converted signal power upon the position of a coupler used to couple a signal into the resonator and upon the round-trip loss of the resonator was studied in detail. The proposed configuration provides efficient wavelength conversion over a wide range of input signal power and resonator round-trip loss. The configuration provides a cost-effective solution to enhance pump power, thus increasing wavelength-conversion efficiency for practical system applications.