Strongly nonlinear optical glass fibers from noncentrosymmetric phase-change chalcogenide materials

In Chung, Joon I. Jang, Christos D. Malliakas, John B. Ketterson, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

We report that the one-dimensional polar selenophosphate compounds APSe6 (A = K, Rb), which show crystal-glass phase-change behavior, exhibit strong second harmonic generation (SHG) response in both crystal and glassy forms. The crystalline materials are type-I phase-matchable with SHG coefficients χ(2) of 151.3 and 149.4 pm V-1 for K + and Rb+ salts, respectively, which is the highest among phase-matchable nonlinear optical (NLO) materials with band gaps over 1.0 eV. The glass of APSe6 exhibits comparable SHG intensities to the top infrared NLO material AgGaSe2 without any poling treatments. APSe6 exhibit excellent mid-IR transparency. We demonstrate that starting from noncentrosymmetric phase-change materials such as APSe6 (A = K, Rb), we can obtain optical glass fibers with strong, intrinsic, and temporally stable second-order nonlinear optical (NLO) response. The as-prepared glass fibers exhibit SHG and difference frequency generation (DFG) responses over a wide range of wavelengths. Raman spectroscopy and pair distribution function (PDF) analyses provide further understanding of the local structure in amorphous state of KPSe6 bulk glass and glass fiber. We propose that this approach can be widely applied to prepare permanent NLO glass from materials that undergo a phase-change process.

Original languageEnglish
Pages (from-to)384-389
Number of pages6
JournalJournal of the American Chemical Society
Volume132
Issue number1
DOIs
Publication statusPublished - Jan 13 2010

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Optical glass
Optical Fibers
Phase change materials
Harmonic generation
Glass fibers
Glass
Optical fibers
Optical materials
Crystals
Raman Spectrum Analysis
Transparency
Distribution functions
Raman spectroscopy
Energy gap
Salts
Crystalline materials
Infrared radiation
Wavelength
fiberglass

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Strongly nonlinear optical glass fibers from noncentrosymmetric phase-change chalcogenide materials. / Chung, In; Jang, Joon I.; Malliakas, Christos D.; Ketterson, John B.; Kanatzidis, Mercouri G.

In: Journal of the American Chemical Society, Vol. 132, No. 1, 13.01.2010, p. 384-389.

Research output: Contribution to journalArticle

Chung, In ; Jang, Joon I. ; Malliakas, Christos D. ; Ketterson, John B. ; Kanatzidis, Mercouri G. / Strongly nonlinear optical glass fibers from noncentrosymmetric phase-change chalcogenide materials. In: Journal of the American Chemical Society. 2010 ; Vol. 132, No. 1. pp. 384-389.
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