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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 9 — Apr. 27, 2009
  • pp: 7479–7490

Broadband enhancement of light emission in silicon slot waveguides

Young Chul Jun, Ryan M. Briggs, Harry A. Atwater, and Mark L. Brongersma  »View Author Affiliations


Optics Express, Vol. 17, Issue 9, pp. 7479-7490 (2009)
http://dx.doi.org/10.1364/OE.17.007479


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Abstract

We investigate the light emission properties of electrical dipole emitters inside 2-dimensional (2D) and 3-dimensional (3D) silicon slot waveguides and evaluate the spontaneous emission enhancement (Fp) and waveguide coupling ratio (β). Under realistic conditions, we find that greater than 10-fold enhancement in Fp can be achieved, together with a β as large as 0.95. In contrast to the case of high Q optical resonators, such performance enhancements are obtained over a broad wavelength region, which can cover the entire emission spectrum of popular optical dopants such as Er. The enhanced luminescence efficiency and the strong coupling into a limited set of well-defined waveguide modes enables a new class of power-efficient, CMOS-compatible, waveguide-based light sources.

© 2009 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(130.2790) Integrated optics : Guided waves
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(230.6080) Optical devices : Sources

ToC Category:
Integrated Optics

History
Original Manuscript: March 9, 2009
Revised Manuscript: April 20, 2009
Manuscript Accepted: April 20, 2009
Published: April 21, 2009

Citation
Young Chul Jun, Ryan M. Briggs, Harry A. Atwater, and Mark L. Brongersma, "Broadband enhancement of light emission in silicon slot waveguides," Opt. Express 17, 7479-7490 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-9-7479


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