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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 10 — May. 14, 2004
  • pp: 1135–1137

Doubly resonant single-layer bandpass optical filters

Y. Ding and R. Magnusson  »View Author Affiliations


Optics Letters, Vol. 29, Issue 10, pp. 1135-1137 (2004)
http://dx.doi.org/10.1364/OL.29.001135


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Abstract

A bandpass filter based on guided-mode resonance effects in a single-layer periodic waveguide is presented. Strong refractive-index modulation is used to support the excitation of a resonance pair in which leaky waveguide mode TE0 is excited by the second diffraction order and TE2 by the first diffraction order. It is shown that one resonance provides a broad low-transmission band, whereas the other supplies the transmission peak through its asymmetrical line shape. A bandpass filter with central wavelength at 1.55 μm is presented to demonstrate this concept.

© 2004 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1970) Diffraction and gratings : Diffractive optics
(310.0310) Thin films : Thin films
(310.2790) Thin films : Guided waves

Citation
Y. Ding and R. Magnusson, "Doubly resonant single-layer bandpass optical filters," Opt. Lett. 29, 1135-1137 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-10-1135

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