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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 26 — Dec. 24, 2007
  • pp: 17967–17972

Horizontal single and multiple slot waveguides: optical transmission at λ=1550 nm

Rong Sun, Po Dong, Ning-ning Feng, Ching-yin Hong, Jurgen Michel, Michal Lipson, and Lionel Kimerling  »View Author Affiliations


Optics Express, Vol. 15, Issue 26, pp. 17967-17972 (2007)
http://dx.doi.org/10.1364/OE.15.017967


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Abstract

We experimentally demonstrate the optical transmission at 1550 nm of the fundamental slot modes (quasi-TM modes) in horizontal single and multiple slot waveguides and ring resonators consisting of deposited amorphous silicon and silicon dioxide. We demonstrate that the horizontal multiple slot configuration provides enhanced optical confinement in low index slot regions compared to a horizontal single slot structure with the same total SiO2 layer thickness by comparing their thermo-optic coefficients for the horizontal slot ring resonators. We show in these early structures that horizontal slot waveguides have low propagation loss of 6~7 dB/cm. The waveguide loss is mainly due to a-Si material absorption. The addition of a-Si/SiO2 interfaces does not introduce significant scattering loss in a horizontal multiple slot waveguide compared to a horizontal single slot waveguide.

© 2007 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(160.6840) Materials : Thermo-optical materials
(230.7380) Optical devices : Waveguides, channeled
(240.5770) Optics at surfaces : Roughness

ToC Category:
Integrated Optics

History
Original Manuscript: November 6, 2007
Revised Manuscript: December 11, 2007
Manuscript Accepted: December 12, 2007
Published: December 17, 2007

Citation
Rong Sun, Po Dong, Ning-ning Feng, Ching-yin Hong, Jurgen Michel, Michal Lipson, and Lionel Kimerling, "Horizontal single and multiple slot waveguides: optical transmission at λ = 1550 nm," Opt. Express 15, 17967-17972 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-26-17967


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References

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