Optical nonlinearities of glasses doped with semiconductor microcrystallites

G. R. Olbright, N. Peyghambarian, S. W. Koch, L. Banyai

Research output: Contribution to journalArticlepeer-review

116 Scopus citations


The origin of optical nonlinearities of glasses doped with CdSxSe1-x microcrystallites is studied both experimentally and theoretically. At room temperature a large shift (≅50 meV) of the absorption spectrum to higher energies is observed in a CdSxSe1-x glass with increased light intensity. This blue shift is analyzed by using a semiconductor plasma theory. Experimental and theoretical results suggest that band filling is the dominant mechanism for the observed nonlinearity. An independent measurement for the intensity-dependent dispersive changes is presented.

Original languageEnglish (US)
Pages (from-to)413-415
Number of pages3
JournalOptics letters
Issue number6
StatePublished - Jun 1987

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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