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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 16 — Aug. 6, 2007
  • pp: 10091–10096

Silicon-on-insulator ultra-compact duplexer based on a diffractive grating structure

Günther Roelkens, Dries Van Thourhout, and Roel Baets  »View Author Affiliations


Optics Express, Vol. 15, Issue 16, pp. 10091-10096 (2007)
http://dx.doi.org/10.1364/OE.15.010091


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Abstract

The use of a silicon-on-insulator diffractive grating structure is proposed to achieve ultra-compact duplexing operation. One-dimensional grating structures are proposed to spatially separate two wavelength bands. This device can become a key component in the fabrication of integrated optical transceivers for fiber-to-the-home applications, where a 1310nm wavelength channel and a 1490nm wavelength channel need to be duplexed. A 10µm×10µm one-dimensional grating structure allows to spatially separate both wavelength bands on the photonic integrated circuit, with an average coupling efficiency of 55% and an optical bandwidth of 55–60nm. While these one-dimensional grating structures are strongly polarization dependent, a two-dimensional grating structure is presented to achieve polarization independent operation.

© 2007 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(130.0130) Integrated optics : Integrated optics

ToC Category:
Integrated Optics

History
Original Manuscript: June 1, 2007
Revised Manuscript: July 23, 2007
Manuscript Accepted: July 24, 2007
Published: July 26, 2007

Citation
Günther Roelkens, Dries Van Thourhout, and Roel Baets, "Silicon-on-insulator ultra-compact duplexer based on a diffractive grating structure," Opt. Express 15, 10091-10096 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-16-10091


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References

  1. P. Dumon, W. Bogaerts, V. Wiaux, J. Wouters, S. Beckx, J. Van Campenhout, D. Taillaert, B. Luyssaert, P. Bienstman, D. Van Thourhout, R. Baets, "Low-loss SOI Photonic Wires and Ring Resonators Fabricated with Deep UV Lithography," IEEE Photon. Technol. Lett. 16, 1328-1330 (2004) [CrossRef]
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  6. G. Roelkens, D. Van Thourhout, R. Baets, "High efficiency Silicon-on-Insulator grating coupler based on a poly-Silicon overlay," Opt. Express 14, 11622-11630 (2006) http://www.opticsinfobase.org/abstract.cfm?URI=oe-14-24-11622 [CrossRef] [PubMed]
  7. P. Bienstman, R. Baets, "Rigourous and efficient optical VCSEL model based on vectorial eigenmode expansion and perfectly matched layers," IEE Proc.-Optoelec. 149, 161-165 (2002) [CrossRef]
  8. W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, "A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires," Opt. Express 15, 1567-1578 (2007) http://www.opticsinfobase.org/abstract.cfm?URI=oe-15-4-1567 [CrossRef] [PubMed]

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