Phase-matching condition for THz wave generation via difference frequency generation using InxGa1−xSe mixed crystals

Yohei Sato; Mayu Nakajima; Chao Tang; Katsuya Watanabe; Tadao Tanabe; Yutaka Oyama

doi:10.1364/OE.393948

Phase-matching condition for THz wave generation via difference frequency generation using In_xGa₁_−xSe mixed crystals

Yohei Sato, Mayu Nakajima, Chao Tang, Katsuya Watanabe, Tadao Tanabe, Yutaka Oyama

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Terahertz (THz) waves at 9.7, 10.1 and 10.6 THz were generated via difference frequency generation in high-quality In_xG_1−xaSe mixed crystals with a relatively high indium compositions (x = 0.040, 0.048, 0.074) grown from an indium flux. The phase-matching angle for THz wave generation was measured for each indium content. As a result, it is confirmed that the incident angle of the excitation light satisfying the phase-matching condition is shifted to a higher angle with an increase in the indium content.

Original language	English
Pages (from-to)	20888-20897
Number of pages	10
Journal	Optics Express
Volume	28
Issue number	14
DOIs	https://doi.org/10.1364/OE.393948
Publication status	Published - 2020 Jul 6

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Phase-matching condition for THz wave generation via difference frequency generation using InxGa1−xSe mixed crystals",

abstract = "Terahertz (THz) waves at 9.7, 10.1 and 10.6 THz were generated via difference frequency generation in high-quality InxG1−xaSe mixed crystals with a relatively high indium compositions (x = 0.040, 0.048, 0.074) grown from an indium flux. The phase-matching angle for THz wave generation was measured for each indium content. As a result, it is confirmed that the incident angle of the excitation light satisfying the phase-matching condition is shifted to a higher angle with an increase in the indium content.",

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T1 - Phase-matching condition for THz wave generation via difference frequency generation using InxGa1−xSe mixed crystals

AU - Sato, Yohei

AU - Nakajima, Mayu

AU - Tang, Chao

AU - Watanabe, Katsuya

AU - Tanabe, Tadao

AU - Oyama, Yutaka

N1 - Funding Information: Japan Society for the Promotion of Science (JP18J11396, JP19J20564). Publisher Copyright: © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

PY - 2020/7/6

Y1 - 2020/7/6

N2 - Terahertz (THz) waves at 9.7, 10.1 and 10.6 THz were generated via difference frequency generation in high-quality InxG1−xaSe mixed crystals with a relatively high indium compositions (x = 0.040, 0.048, 0.074) grown from an indium flux. The phase-matching angle for THz wave generation was measured for each indium content. As a result, it is confirmed that the incident angle of the excitation light satisfying the phase-matching condition is shifted to a higher angle with an increase in the indium content.

AB - Terahertz (THz) waves at 9.7, 10.1 and 10.6 THz were generated via difference frequency generation in high-quality InxG1−xaSe mixed crystals with a relatively high indium compositions (x = 0.040, 0.048, 0.074) grown from an indium flux. The phase-matching angle for THz wave generation was measured for each indium content. As a result, it is confirmed that the incident angle of the excitation light satisfying the phase-matching condition is shifted to a higher angle with an increase in the indium content.

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Phase-matching condition for THz wave generation via difference frequency generation using In_xGa₁_−xSe mixed crystals

Abstract

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