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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 8 — Mar. 10, 2004
  • pp: 1683–1694

Tunable, oblique incidence resonant grating filter for telecommunications

Guido Niederer, Hans Peter Herzig, Joseph Shamir, Hans Thiele, Marc Schnieper, and Christian Zschokke  »View Author Affiliations


Applied Optics, Vol. 43, Issue 8, pp. 1683-1694 (2004)
http://dx.doi.org/10.1364/AO.43.001683


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Abstract

We have designed a tunable, oblique-incidence resonant grating filter that covers the C band as an add-drop device for incident TE-polarized light. We tune the filter by tilting a microelectromechanical systems platform onto which the filter is attached. The fabrication tolerances as well as the role of finite incident-beam size and limited device size were addressed. The maximum achievable efficiency of a finite-area device as well as a scaling law that relates the resonance peak width and the minimum device size is derived. In good agreement with simulations, measurements indicate a negligible change in shape of the resonance peak from 1526 nm at a 45° angle of incidence to 1573 nm at a 53° angle with a full width at half-maximum of 0.4 nm. In this range the shift of the peak wavelength is linear with respect to changes in the angle of incidence.

© 2004 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(120.2440) Instrumentation, measurement, and metrology : Filters
(220.4830) Optical design and fabrication : Systems design
(230.1950) Optical devices : Diffraction gratings
(230.7390) Optical devices : Waveguides, planar

History
Original Manuscript: July 28, 2003
Revised Manuscript: November 4, 2003
Published: March 10, 2004

Citation
Guido Niederer, Hans Peter Herzig, Joseph Shamir, Hans Thiele, Marc Schnieper, and Christian Zschokke, "Tunable, oblique incidence resonant grating filter for telecommunications," Appl. Opt. 43, 1683-1694 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-8-1683

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