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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 5 — Mar. 5, 2007
  • pp: 2548–2554

Electro-optic Ti:PPLN waveguide as efficient optical wavelength filter and polarization mode converter

C. Y. Huang, C. H. Lin, Y. H. Chen, and Y. C. Huang  »View Author Affiliations

Optics Express, Vol. 15, Issue 5, pp. 2548-2554 (2007)

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We report the first experimental demonstration of electrically controlled Šolc-type optical wavelength filters and TE-TM mode converters based on Ti-diffused periodically poled lithium niobate (Ti:PPLN) waveguides. A maximum mode conversion efficiency or a peak spectral transmittance of ~99% in the telecom C-L bands was obtained from a 9-mm long, 21.5-21.8-μm multiple-grating Ti:PPLN waveguide device with a switching voltage of as low as 22 V or 0.99 V×d(μm)/L(cm), where d is the electrode separation and L is the electrode length. The spectral range of this device can be tuned by temperature at a rate of ~0.758 nm/°C.

© 2007 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.2090) Optical devices : Electro-optical devices
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Optical Devices

Original Manuscript: January 9, 2007
Revised Manuscript: February 13, 2007
Manuscript Accepted: February 18, 2007
Published: March 5, 2007

C. Y. Huang, C. H. Lin, Y. H. Chen, and Y. C. Huang, "Electro-optic Ti:PPLN waveguide as efficient optical wavelength filter and polarization mode converter," Opt. Express 15, 2548-2554 (2007)

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