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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 5 — Mar. 3, 2008
  • pp: 3101–3113

Thin heterogeneous SOI waveguides for thermo-optical tuning and filtering

Andrei V. Tsarev, Francesco De Leonardis, and Vittorio M. N. Passaro  »View Author Affiliations


Optics Express, Vol. 16, Issue 5, pp. 3101-3113 (2008)
http://dx.doi.org/10.1364/OE.16.003101


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Abstract

This work presents an analysis and simulation of novel heterogeneous silicon-on-insulator (SOI) waveguide structures for reconfigurable optical add/drop multiplexers (ROADMs) with thermo-optic tuning and multi-reflector beam expanders. New structure design includes p+ side-doping of SOI ridge waveguide with 220 nm×16 µm silicon core. It provides quasi mono-mode behavior due to strongly mode-dependent optical losses by free charge absorption. These silicon heterogeneous waveguides are used to investigate ROADMs including nano-structured 2D-gratings for fiber coupling and polarization diversity, nano-grooves or p+ doping reflector strips for multi-reflector beam expanders and local heaters for wideband thermo-optic tuning.

© 2008 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
(130.5990) Integrated optics : Semiconductors
(160.6840) Materials : Thermo-optical materials

ToC Category:
Integrated Optics

History
Original Manuscript: December 17, 2007
Revised Manuscript: January 25, 2008
Manuscript Accepted: January 28, 2008
Published: February 21, 2008

Citation
Andrei V. Tsarev, Francesco De Leonardis, and Vittorio M. Passaro, "Thin heterogeneous SOI waveguides for thermo-optical tuning and filtering," Opt. Express 16, 3101-3113 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-5-3101


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