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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 20 — Oct. 15, 2012
  • pp: 4194–4196

Silicon nanowire arrays with enhanced optical properties

M. Khorasaninejad, M. A. Swillam, K. Pillai, and S. S. Saini  »View Author Affiliations


Optics Letters, Vol. 37, Issue 20, pp. 4194-4196 (2012)
http://dx.doi.org/10.1364/OL.37.004194


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Abstract

Vertical silicon nanowire arrays were fabricated leading to an enhanced photoluminescence (PL) emission and second-order nonlinear optical response. PL from the nanowires was increased by a factor of 50 as compared to bulk silicon. The second order nonlinearity was demonstrated in second-harmonic generation and rotational anisotropic measurements. Enhancement by at least a factor of 80 was achieved as compared to bulk silicon for the p-polarized input and s-polarized output. These enhancements in the silicon characteristics should enable highly desired applications using a silicon platform, such as nonlinear and active devices.

© 2012 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Materials

History
Original Manuscript: April 6, 2012
Revised Manuscript: August 11, 2012
Manuscript Accepted: September 4, 2012
Published: October 3, 2012

Citation
M. Khorasaninejad, M. A. Swillam, K. Pillai, and S. S. Saini, "Silicon nanowire arrays with enhanced optical properties," Opt. Lett. 37, 4194-4196 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-20-4194

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