All-optical switching based on cascading of second-order nonlinearities in a periodically poled titanium-diffused lithium niobate waveguide

All-optical switching based on cascading of second-order nonlinearities in a periodically poled titanium-diffused lithium niobate waveguide

We report efficient all-optical switching by using a periodically poled titanium-diffused lithium niobate (Ti:PPLN) waveguide. The periodically domain inversion of the Ti:PPLN waveguide is achieved by electric field poling. The switching is driven by the second-order nonlinear effect of the cascadin...

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Veröffentlicht in:IEEE photonics technology letters 1999-03, Vol.11 (3), p.328-330
Hauptverfasser: Kanbara, H., Itoh, H., Asobe, M., Noguchi, K., Miyazawa, H., Yanagawa, T., Yokohama, I.
Format: Artikel
Sprache:eng
Schlagworte:
Cascading
Electric power generation
Frequency conversion
Gates
Inversions
Laboratories
Lithium niobate
Lithium niobates
Nonlinear optics
Nonlinearity
Optical frequency conversion
Optical mixing
Optical refraction
Optical switches
Optical variables control
Optical waveguides
Switching
Waveguides
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Beschreibung
Zusammenfassung:We report efficient all-optical switching by using a periodically poled titanium-diffused lithium niobate (Ti:PPLN) waveguide. The periodically domain inversion of the Ti:PPLN waveguide is achieved by electric field poling. The switching is driven by the second-order nonlinear effect of the cascading of phase-matched sum-frequency-generation and difference-frequency-generation processes. It is found that about 12% of the signal is switched by a 20-W gate power.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.748224