New chalcogenide crystal for nonlinear optics in the infrared

M. D. Ewbank*, R. Borwick, P. Cunningham, M. J. Rosker, J. H. Liao, G. Marking, Y. Matsushita, M. G. Kanatzidis

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


A new chalcogenide crystal, K2Hg3Ge2S8 (KHGS), is investigated for nonlinear optical applications. Extensive covalent bonding between Ge, S and Hg atoms led to large optical nonlinearities. The ionic interaction with the K atoms provided superior mechanical integrity without compromising the nonlinear optical response. The frequency conversion characteristics of KHGS in the MWIR from second harmonic generation (SHG). The variation in the SHG signal for KHGS along each phase-matching locus is also discussed.

Original languageEnglish (US)
Pages (from-to)461-462
Number of pages2
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
StatePublished - 1997
EventProceedings of the 1997 Conference on Lasers and Electro-Optics, CLEO - Baltimore, MD, USA
Duration: May 18 1997May 23 1997

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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