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Optics Letters

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  • Vol. 28, Iss. 24 — Dec. 15, 2003
  • pp: 2527–2529

Integrated optical Mach Zehnder modulator based on polycrystalline BaTiO3

A. Petraru, J. Schubert, M. Schmid, O. Trithaveesak, and Ch. Buchal  »View Author Affiliations


Optics Letters, Vol. 28, Issue 24, pp. 2527-2529 (2003)
http://dx.doi.org/10.1364/OL.28.002527


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Abstract

Good-quality polycrystalline BaTiO3 thin films are deposited on MgO substrates by pulsed laser deposition. The deposition parameters are optimized to achieve optical-quality films with an attenuation coefficient of 4 dB/cm at the 633-nm wavelength. Thin-film electro-optic Mach–Zehnder modulators are fabricated with standard lithography and ion-beam etching. The waveguides patterned by lithography are the ridge type, and they ensure single-mode propagation in the wavelength range of 633–1550 nm. An electro-optic coefficient of 22 pm/V is estimated for the polycrystalline BaTiO3 films.

© 2003 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.4110) Optical devices : Modulators

Citation
A. Petraru, J. Schubert, M. Schmid, O. Trithaveesak, and Ch. Buchal, "Integrated optical Mach Zehnder modulator based on polycrystalline BaTiO3," Opt. Lett. 28, 2527-2529 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-24-2527


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