Polarization-independent optical directional coupler based on slot waveguides
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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