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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 20 — Oct. 15, 2010
  • pp: 3318–3320

Strong enhancement of magnetic dipole emission in a multilevel electronic system

Sinan Karaveli and Rashid Zia  »View Author Affiliations


Optics Letters, Vol. 35, Issue 20, pp. 3318-3320 (2010)
http://dx.doi.org/10.1364/OL.35.003318


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Abstract

The Purcell effect is commonly used to increase light emission by enhancing the radiative decay of electric dipole transitions. In this Letter, we demonstrate that the opposite effect, namely, the inhibition of electric dipole transitions, can be used to strongly enhance light emission via magnetic dipole transitions. Specifically, by exploiting the differing symmetries of competitive electric and magnetic dipole transitions in trivalent europium, we demonstrate a fourfold enhancement of the far-field emission from the D 0 5 F 1 7 magnetic dipole transition in trivalent europium. We show that this strong enhancement is well predicted by a three-level model that couples the individual Purcell enhancement factors of competitive transitions from the same excited state.

© 2010 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(300.2140) Spectroscopy : Emission
(310.6188) Thin films : Spectral properties

ToC Category:
Materials

History
Original Manuscript: June 24, 2010
Revised Manuscript: August 17, 2010
Manuscript Accepted: August 26, 2010
Published: October 8, 2010

Citation
Sinan Karaveli and Rashid Zia, "Strong enhancement of magnetic dipole emission in a multilevel electronic system," Opt. Lett. 35, 3318-3320 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-20-3318


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