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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 6 — Jun. 1, 2010
  • pp: 557–559

Guided-mode resonances in multimode planar periodic waveguides

Tianyu Sun, Yunxia Jin, Jianda Shao, and Zhengxiu Fan  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 6, pp. 557-559 (2010)


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Abstract

Using the effective medium theory and the waveguide eigenvalue equation, we design a multimode planar periodic waveguide. When a plane wave illuminates the grating at the designed angle and wavelength, more than one leaky modes are excited coincidentally. Then the reflection efficiency around this designed angle and wavelength is investigated using a rigorous coupled wave analysis formulation and a gap of reflection peaks is found. Electric field distributions reveal that this high reflectivity gap is due to the coupling between these two coincidentally excited leaky modes.

© 2010 Chinese Optics Letters

OCIS Codes
(260.5740) Physical optics : Resonance
(050.6624) Diffraction and gratings : Subwavelength structures
(230.7408) Optical devices : Wavelength filtering devices

Citation
Tianyu Sun, Yunxia Jin, Jianda Shao, and Zhengxiu Fan, "Guided-mode resonances in multimode planar periodic waveguides," Chin. Opt. Lett. 8, 557-559 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-6-557

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