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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 15 — Jul. 20, 2009
  • pp: 13095–13101

New wide strip and grating loaded quasi-single-mode waveguide on SOI

Andrei V. Tsarev  »View Author Affiliations

Optics Express, Vol. 17, Issue 15, pp. 13095-13101 (2009)

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New wide single mode strip and grating loaded waveguide on thin silicon-on-insulator CMOS compatible structure is proposed and analyzed. Waveguide is built by silicon nitride strip and gratings placed on silica cover of slab silicon. This structure is similar to conventional strip-loaded waveguide but differs by additional gratings near the strip sides. Numerical 3D simulations by FDTD and BPM prove that the side gratings with period 0.6 µm and depth 0.16 µm provide the high Figure of merit for higher order mode suppression and built quasi-single-mode waveguide with mode size ~10 µm and propagation loss ~0.3 dB/cm.

© 2009 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Integrated Optics

Original Manuscript: May 19, 2009
Revised Manuscript: July 1, 2009
Manuscript Accepted: July 6, 2009
Published: July 20, 2009

Andrei V. Tsarev, "New wide strip and grating loaded quasi-single-mode waveguide on SOI," Opt. Express 17, 13095-13101 (2009)

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