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K4GeP4Se12: a case for phase-change nonlinear optical chalcogenide
- Jang, J. I.;
- Park, S.;
- Harrison, C. M.;
- Clark, D. J.;
- Morris, C. D.;
- 외 2명
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25초록
We report on broadband nonlinear optical (NLO) responses from a phase-change chalcogenide compound K4GeP4Se12. Its glassy phase exhibits unusual second-harmonic generation (SHG) due to the preservation of local crystallographic order. The SHG efficiency of the glassy form can be boosted by more than 2 orders of magnitude by simple heat treatment. Strong SHG and third-harmonic generation from both glassy and crystalline compounds were characterized over a wide wavelength range of 1.2-4.0 mu m. Our results imply that K4GeP4Se12 can be utilized for various NLO applications in the mid-infrared spectrum. (C) 2013 Optical Society of America
키워드
2ND-HARMONIC GENERATION; FREQUENCY-GENERATION; GLASS-FIBERS; RB; RADIATION
- 제목
- K4GeP4Se12: a case for phase-change nonlinear optical chalcogenide
- 저자
- Jang, J. I.; Park, S.; Harrison, C. M.; Clark, D. J.; Morris, C. D.; Chung, I.; Kanatzidis, M. G.
- 발행일
- 2013-04-15
- 유형
- Article
- 저널명
- Optics Letters
- 권
- 38
- 호
- 8
- 페이지
- 1316 ~ 1318
- 언어
- ENG
- 출판사
- Optical Society of America
- 발행국가
- 미국
- 분량
- 3 페이지
- ISSN
- E 1539-4794
P 0146-9592