Lighting up erbium with water: Observation of substantial crystalline matrix element enhancements

G. A. Thomas, D. M. Bubb, T. Y. Koo, D. J. Werder, S. W. Cheong, J. F. Federici

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We have found substantial enhancements of the optical matrix elements of Er atoms when water molecules augment the symmetry-breaking electric fields in their crystalline environment. We measure enhancement factors of order 5 for the set of Er energy levels with wavelengths near 1550 nm. These transitions are technologically important because they are used in optical amplifiers for communications.

Original languageEnglish (US)
Pages (from-to)2678-2682
Number of pages5
JournalJournal of Applied Physics
Volume90
Issue number6
DOIs
StatePublished - Sep 15 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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