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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 17 — Aug. 17, 2009
  • pp: 15128–15133

Hybrid integration of Ca0.28Ba0.72Nb2O6 thin film electro-optic waveguides with silica/silicon substrates

Paul F. Ndione, Marcello Ferrera, David Duchesne, Luca Razzari, Mounir Gaidi, Mohamed Chaker, and Roberto Morandotti  »View Author Affiliations


Optics Express, Vol. 17, Issue 17, pp. 15128-15133 (2009)
http://dx.doi.org/10.1364/OE.17.015128


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Abstract

Ca0.28Ba0.72Nb2O6 (CBN-28) waveguides based on thin film technology were fabricated on SiO2/(100) Si substrates. By using X-ray diffraction, we confirmed the preferential c-axis orientation of the CBN structures. An effective unclamped electro-optic r33 coefficient of 12 pm/V was measured in CBN thin films by using an ellipsometric technique in reflection geometry. In addition, by means of a Fabry-Perot technique, the propagation losses of our strip loaded waveguides were estimated to be as low as 4.8 dB/cm and 6.5 dB/cm at telecommunication wavelengths for the fundamental TE and TM modes, respectively.

© 2009 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(260.2130) Physical optics : Ellipsometry and polarimetry
(310.6845) Thin films : Thin film devices and applications
(250.4110) Optoelectronics : Modulators

ToC Category:
Optical Devices

History
Original Manuscript: June 1, 2009
Revised Manuscript: July 10, 2009
Manuscript Accepted: August 5, 2009
Published: August 11, 2009

Citation
Paul F. Ndione, Marcello Ferrera, David Duchesne, Luca Razzari, Mounir Gaidi, Mohamed Chaker, and Roberto Morandotti, "Hybrid integration of Ca0.28Ba0.72Nb2O6 thin film electro-optic waveguides with silica/silicon substrates," Opt. Express 17, 15128-15133 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-17-15128


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