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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 23 — Dec. 1, 2006
  • pp: 3453–3455

Exceptionally narrow homogeneous linewidth in erbium-doped glasses

Y. Sun, R. L. Cone, L. Bigot, and B. Jacquier  »View Author Affiliations


Optics Letters, Vol. 31, Issue 23, pp. 3453-3455 (2006)
http://dx.doi.org/10.1364/OL.31.003453


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Abstract

We show that rare-earth (RE-) doped glasses can have homogeneous linewidths as narrow as 287 kHz at He 4 temperatures. This is far narrower than others reported in glasses in the same temperature range and is suitable for precise spectral hole burning and spatial–spectral holographic applications. It is known that cw spectral hole burning linewidth measurements of RE ions in glasses are hindered by the presence of spectral diffusion but, even in glasses, application of a magnetic field can freeze out RE spin–spin interactions responsible for spectral diffusion and isolate the remaining contribution of two-level systems (TLSs). The Er 3 + : 2 G 2 S glasses have unusually low TLS contributions, making it possible to study the real homogeneous linewidth using photon echo measurements. The contribution from TLSs is only 170 T 1.3 kHz when subjected to a field of 5 T .

© 2006 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(300.6320) Spectroscopy : Spectroscopy, high-resolution

ToC Category:
Spectroscopy

History
Original Manuscript: July 26, 2006
Manuscript Accepted: August 29, 2006
Published: November 9, 2006

Citation
Y. Sun, R. L. Cone, L. Bigot, and B. Jacquier, "Exceptionally narrow homogeneous linewidth in erbium-doped glasses," Opt. Lett. 31, 3453-3455 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-23-3453

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