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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 14 — Jul. 6, 2009
  • pp: 11267–11273

Single-trench waveguide TE-TM mode converter

Sang-Hun Kim, Ryohei Takei, Yuya Shoji, and Tetsuya Mizumoto  »View Author Affiliations


Optics Express, Vol. 17, Issue 14, pp. 11267-11273 (2009)
http://dx.doi.org/10.1364/OE.17.011267


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Abstract

A TE-TM mode converter is proposed in a single trench GaInAsP/InP waveguide, which is fabricated by a single masking and etching process. Use of single-trench structure makes the design and the fabrication much simpler. The design of single-trench mode converter is described together with its fabrication in this article. We investigated the dependence of conversion efficiency on the waveguide width, trench depth, and trench position. Also, the wavelength dependence of mode conversion efficiency was calculated in a wavelength range between 1.5 µm to 1.58 µm. 95% TE-TM mode conversion was measured at a wavelength of 1.55 µm in a fabricated device with a 210-µm half-beat length.

© 2009 OSA

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(220.0220) Optical design and fabrication : Optical design and fabrication

ToC Category:
Integrated Optics

History
Original Manuscript: April 27, 2009
Revised Manuscript: June 15, 2009
Manuscript Accepted: June 16, 2009
Published: June 22, 2009

Citation
Sang-Hun Kim, Ryohei Takei, Yuya Shoji, and Tetsuya Mizumoto, "Single-trench waveguide TE-TM mode converter," Opt. Express 17, 11267-11273 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-14-11267


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