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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 23 — Nov. 18, 2013
  • pp: 28394–28402

Efficient 1535 nm light emission from an all-Si-based optical micro-cavity containing Er3+ and Yb3+ ions

I. B. Gallo, A. Braud, and A. R. Zanatta  »View Author Affiliations


Optics Express, Vol. 21, Issue 23, pp. 28394-28402 (2013)
http://dx.doi.org/10.1364/OE.21.028394


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Abstract

This work reports on the construction and spectroscopic analyses of optical micro-cavities (OMCs) that efficiently emit at ~1535 nm. The emission wavelength matches the third transmission window of commercial optical fibers and the OMCs were entirely based on silicon. The sputtering deposition method was adopted in the preparation of the OMCs, which comprised two Bragg reflectors and one spacer layer made of either Er- or ErYb-doped amorphous silicon nitride. The luminescence signal extracted from the OMCs originated from the 4I13/24I15/2 transition (due to Er3+ ions) and its intensity showed to be highly dependent on the presence of Yb3+ ions. According to the results, the Er3+-related light emission was improved by a factor of 48 when combined with Yb3+ ions and inserted in the spacer layer of the OMC. The results also showed the effectiveness of the present experimental approach in producing Si-based light-emitting structures in which the main characteristics are: (a) compatibility with the actual micro-electronics industry, (b) the deposition of optical quality layers with accurate composition control, and (c) no need of uncommon elements-compounds nor extensive thermal treatments. Along with the fundamental characteristics of the OMCs, this work also discusses the impact of the Er3+−Yb3+ ion interaction on the emission intensity as well as the potential of the present findings.

© 2013 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 27, 2013
Revised Manuscript: October 31, 2013
Manuscript Accepted: October 31, 2013
Published: November 11, 2013

Citation
I. B. Gallo, A. Braud, and A. R. Zanatta, "Efficient 1535 nm light emission from an all-Si-based optical micro-cavity containing Er3+ and Yb3+ ions," Opt. Express 21, 28394-28402 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-23-28394


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