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Optics Letters

Optics Letters


  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 3012–3014

Suspended bridge-like silica 2 × 2 beam splitter on silicon

Xiaomin Zhang and Andrea M. Armani  »View Author Affiliations

Optics Letters, Vol. 36, Issue 15, pp. 3012-3014 (2011)

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We report a successful experimental realization of a 2 × 2 suspended silica splitter integrated on a silicon substrate. The silica splitter was photo-lithographically patterned, etched, and reflowed to form the suspended and rounded silica waveguide channels. The silica splitter showed a flat splitting ratio and excess loss over a wide wavelength range from 1520 to 1630 nm with a low crosstalk. Additionally, as a result of the very low nonlinear coefficients of silica, the splitting ratio is independent of input power.

© 2011 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(230.1360) Optical devices : Beam splitters

ToC Category:
Optical Devices

Original Manuscript: June 14, 2011
Revised Manuscript: July 11, 2011
Manuscript Accepted: July 11, 2011
Published: August 1, 2011

Xiaomin Zhang and Andrea M. Armani, "Suspended bridge-like silica 2×2 beam splitter on silicon," Opt. Lett. 36, 3012-3014 (2011)

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