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Optics Letters

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  • Vol. 30, Iss. 3 — Feb. 1, 2005
  • pp: 254–256

BaTiO3 thin-film waveguide modulator with a low voltage-length product at near-infrared wavelengths of 0.98 and 1.55 µm

Pingsheng Tang, A. L. Meier, D. J. Towner, and B. W. Wessels  »View Author Affiliations


Optics Letters, Vol. 30, Issue 3, pp. 254-256 (2005)
http://dx.doi.org/10.1364/OL.30.000254


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Abstract

A BaTiO3 thin-film electro-optic waveguide modulator with a low half-wave voltage-length product has been demonstrated at near-infrared wavelengths of 1-1.6 µm. Half-wave voltage-length products as small as 0.25 and 0.5 V cm were measured for a 5-mm-long device at wavelengths of 973 and 1561 nm, respectively. The effective electro-optic coefficients were calculated as 420 pm/V at 973 nm and 360 pm/V at 1561 nm. Further improvements in device performance by optimizing the ferroelectric domain structure are anticipated.

© 2005 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(230.7370) Optical devices : Waveguides
(250.7360) Optoelectronics : Waveguide modulators

Citation
Pingsheng Tang, A. L. Meier, D. J. Towner, and B. W. Wessels, "BaTiO3 thin-film waveguide modulator with a low voltage-length product at near-infrared wavelengths of 0.98 and 1.55 µm," Opt. Lett. 30, 254-256 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-3-254


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