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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 1 — Jan. 2, 2012
  • pp: 601–606

Integrated-optic polarization rotator with obliquely deposited columnar thin film

Tzyy-Jiann Wang and Yu-Chen Cheng  »View Author Affiliations


Optics Express, Vol. 20, Issue 1, pp. 601-606 (2012)
http://dx.doi.org/10.1364/OE.20.000601


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Abstract

A new integrated-optic polarization rotator with anisotropic cladding formed by oblique angle deposition is presented. Optical anisotropy with tilt principal axes in the obliquely deposited columnar thin film induces hybrid polarization modes in the waveguide and thus produces polarization rotation. The dependence of device characteristics on columnar film parameters, such as column angle, film thickness, extraordinary index, and optical anisotropy, is investigated by 3D full-vectorial finite difference beam propagation method. The polarization rotator with Ta2O5 columnar thin film has polarization conversion efficiency as high as 99% and extinction ratio of 25dB.

© 2011 OSA

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices

ToC Category:
Integrated Optics

History
Original Manuscript: November 14, 2011
Revised Manuscript: December 12, 2011
Manuscript Accepted: December 14, 2011
Published: December 22, 2011

Citation
Tzyy-Jiann Wang and Yu-Chen Cheng, "Integrated-optic polarization rotator with obliquely deposited columnar thin film," Opt. Express 20, 601-606 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-1-601


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