Observation of biexciton-resonant hyper-parametric scattering in SiO 2/CUCl layered structures

Masaaki Nakayama; Takashi Nishioka; Shuji Wakaiki; Goro Oohata; Kohji Mizoguchi; Dae Gwi Kim; Keiichi Edamatsu

doi:10.1143/JJAP.46.L234

Observation of biexciton-resonant hyper-parametric scattering in SiO ₂/CUCl layered structures

Masaaki Nakayama, Takashi Nishioka, Shuji Wakaiki, Goro Oohata, Kohji Mizoguchi, Dae Gwi Kim, Keiichi Edamatsu

Broadband Engineering Division

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

5 Citations (Scopus)

Abstract

We have prepared SiO₂/CuCl layered structures and investigated the structural and optical properties, focusing on the observation of biexciton-resonant hyper-parametric scattering that is a promising process to generate entangled photons. A crystalline CuCl film, which is the active layer, was grown on an Al₂O₃ substrate by a vacuum deposition method, and then an amorphous SiO₂ film as the passivation layer for hygroscopic CuCl was prepared by an rf-magnetron sputtering method. X-ray diffraction patterns and optical spectra of excitons indicate that the growth of the SiO₂-passivation layer does not degrade the crystallinity of the underlying CuCl thin film. It has been demonstrated that the biexciton-resonant hyper-parametric scattering is clearly observable in the SiO₂/CuCl layered structure.

Original language	English
Pages (from-to)	L234-L236
Journal	Japanese Journal of Applied Physics, Part 2: Letters
Volume	46
Issue number	8-11
DOIs	https://doi.org/10.1143/JJAP.46.L234
Publication status	Published - 2007 Mar 9

Keywords

Biexciton
Exciton polariton
Hyper-parametric scattering
SiO /CuCl layered structure
Vacuum deposition
rf-magnetron sputtering

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

Access to Document

10.1143/JJAP.46.L234

Cite this

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title = "Observation of biexciton-resonant hyper-parametric scattering in SiO 2/CUCl layered structures",

abstract = "We have prepared SiO2/CuCl layered structures and investigated the structural and optical properties, focusing on the observation of biexciton-resonant hyper-parametric scattering that is a promising process to generate entangled photons. A crystalline CuCl film, which is the active layer, was grown on an Al2O3 substrate by a vacuum deposition method, and then an amorphous SiO2 film as the passivation layer for hygroscopic CuCl was prepared by an rf-magnetron sputtering method. X-ray diffraction patterns and optical spectra of excitons indicate that the growth of the SiO2-passivation layer does not degrade the crystallinity of the underlying CuCl thin film. It has been demonstrated that the biexciton-resonant hyper-parametric scattering is clearly observable in the SiO2/CuCl layered structure.",

keywords = "Biexciton, Exciton polariton, Hyper-parametric scattering, SiO /CuCl layered structure, Vacuum deposition, rf-magnetron sputtering",

author = "Masaaki Nakayama and Takashi Nishioka and Shuji Wakaiki and Goro Oohata and Kohji Mizoguchi and Kim, {Dae Gwi} and Keiichi Edamatsu",

year = "2007",

month = mar,

day = "9",

doi = "10.1143/JJAP.46.L234",

language = "English",

volume = "46",

pages = "L234--L236",

journal = "Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes",

issn = "0021-4922",

publisher = "Japan Society of Applied Physics",

number = "8-11",

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T1 - Observation of biexciton-resonant hyper-parametric scattering in SiO 2/CUCl layered structures

AU - Nakayama, Masaaki

AU - Nishioka, Takashi

AU - Wakaiki, Shuji

AU - Oohata, Goro

AU - Mizoguchi, Kohji

AU - Kim, Dae Gwi

AU - Edamatsu, Keiichi

PY - 2007/3/9

Y1 - 2007/3/9

N2 - We have prepared SiO2/CuCl layered structures and investigated the structural and optical properties, focusing on the observation of biexciton-resonant hyper-parametric scattering that is a promising process to generate entangled photons. A crystalline CuCl film, which is the active layer, was grown on an Al2O3 substrate by a vacuum deposition method, and then an amorphous SiO2 film as the passivation layer for hygroscopic CuCl was prepared by an rf-magnetron sputtering method. X-ray diffraction patterns and optical spectra of excitons indicate that the growth of the SiO2-passivation layer does not degrade the crystallinity of the underlying CuCl thin film. It has been demonstrated that the biexciton-resonant hyper-parametric scattering is clearly observable in the SiO2/CuCl layered structure.

AB - We have prepared SiO2/CuCl layered structures and investigated the structural and optical properties, focusing on the observation of biexciton-resonant hyper-parametric scattering that is a promising process to generate entangled photons. A crystalline CuCl film, which is the active layer, was grown on an Al2O3 substrate by a vacuum deposition method, and then an amorphous SiO2 film as the passivation layer for hygroscopic CuCl was prepared by an rf-magnetron sputtering method. X-ray diffraction patterns and optical spectra of excitons indicate that the growth of the SiO2-passivation layer does not degrade the crystallinity of the underlying CuCl thin film. It has been demonstrated that the biexciton-resonant hyper-parametric scattering is clearly observable in the SiO2/CuCl layered structure.

KW - Biexciton

KW - Exciton polariton

KW - Hyper-parametric scattering

KW - SiO /CuCl layered structure

KW - Vacuum deposition

KW - rf-magnetron sputtering

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