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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 1 — Jan. 1, 2014
  • pp: 131–134

Luminescence of Nd3+ ions under excitation of CdSe quantum dots in a glass system: energy transfer

E. O. Serqueira and N. O. Dantas  »View Author Affiliations


Optics Letters, Vol. 39, Issue 1, pp. 131-134 (2014)
http://dx.doi.org/10.1364/OL.39.000131


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Abstract

We report rare evidence of energy transfer from CdSe quantum dots (QDs) to Nd3+ ions in a SNAB glass system using absorption electronic transitions of ion as a nonresonant excitation source. However, the luminescence band was observed at 880 nm (F43/2I49/2 transition) under 409 nm excitation only when Nd3+ ions were embedded in the SNAB glass system with CdSe QDs. This happened because the Nd3+ ions absorbed the photons emitted by CdSe QDs with 409 nm excitation. Band overlap of the QD luminescence band and the ion optical absorption bands caused photon absorption and produced valleys in the QD luminescence spectrum. This overlap contributed to reduction in the lifetime F43/2 state.

© 2013 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(160.4236) Materials : Nanomaterials

ToC Category:
Materials

History
Original Manuscript: September 2, 2013
Revised Manuscript: November 18, 2013
Manuscript Accepted: November 27, 2013
Published: December 23, 2013

Citation
E. O. Serqueira and N. O. Dantas, "Luminescence of Nd3+ ions under excitation of CdSe quantum dots in a glass system: energy transfer," Opt. Lett. 39, 131-134 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-1-131

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