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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 1 — Jan. 1, 2006
  • pp: 56–58

Polarization-independent optical directional coupler based on slot waveguides

Takeshi Fujisawa and Masanori Koshiba  »View Author Affiliations


Optics Letters, Vol. 31, Issue 1, pp. 56-58 (2006)
http://dx.doi.org/10.1364/OL.31.000056


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Abstract

A polarization-independent optical directional coupler based on slot waveguides is proposed and analyzed by using rigorous full-vectorial analysis methods based on a finite-element scheme. Properly choosing materials and structural parameters makes the coupling length for quasi-TE modes become equal to that for quasi-TM modes. Tolerances to operating wavelength and structural parameters are also discussed. The proposed coupler can be used for highly integrated optical circuits without polarization diversity schemes.

© 2006 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Integrated Optics

Citation
Takeshi Fujisawa and Masanori Koshiba, "Polarization-independent optical directional coupler based on slot waveguides," Opt. Lett. 31, 56-58 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-1-56


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