Second-harmonic generation in germanosilicate glass poled with ArF laser irradiation

Takumi Fujiwara; Masahide Takahashi; Akira J. Ikushima

doi:10.1063/1.119718

Second-harmonic generation in germanosilicate glass poled with ArF laser irradiation

Takumi Fujiwara, Masahide Takahashi, Akira J. Ikushima

ENG - Applied Physics

Toyota Technological Institute

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

124 Citations (Scopus)

Abstract

We report on a remarkably large second-harmonic generation (SHG) in a germanosilicate glass (15.7 GeO₂-84.3 SiO₂ in mol %). which was induced by poling while the sample was irradiated with the ArF laser at the wavelength of 193 nm. The SHG coefficient, d. thus induced was measured at various poling electric-field strengths using the Maker-fringe technique. The value of d increases with increasing poling field and then saturates around 1.5 × 10⁵ V/cm. The largest d coefficient value obtained in this work, which is 3.4±0.3 pm/V, seems to exceed d₂₂ of LiNbO₃. Furthermore, polarization dependence of the induced SHG shows an anisotropy of the refractive index.

Original language	English
Pages (from-to)	1032-1034
Number of pages	3
Journal	Applied Physics Letters
Volume	71
Issue number	8
DOIs	https://doi.org/10.1063/1.119718
Publication status	Published - 1997 Aug 25

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title = "Second-harmonic generation in germanosilicate glass poled with ArF laser irradiation",

abstract = "We report on a remarkably large second-harmonic generation (SHG) in a germanosilicate glass (15.7 GeO2-84.3 SiO2 in mol %). which was induced by poling while the sample was irradiated with the ArF laser at the wavelength of 193 nm. The SHG coefficient, d. thus induced was measured at various poling electric-field strengths using the Maker-fringe technique. The value of d increases with increasing poling field and then saturates around 1.5 × 105 V/cm. The largest d coefficient value obtained in this work, which is 3.4±0.3 pm/V, seems to exceed d22 of LiNbO3. Furthermore, polarization dependence of the induced SHG shows an anisotropy of the refractive index.",

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AU - Ikushima, Akira J.

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N2 - We report on a remarkably large second-harmonic generation (SHG) in a germanosilicate glass (15.7 GeO2-84.3 SiO2 in mol %). which was induced by poling while the sample was irradiated with the ArF laser at the wavelength of 193 nm. The SHG coefficient, d. thus induced was measured at various poling electric-field strengths using the Maker-fringe technique. The value of d increases with increasing poling field and then saturates around 1.5 × 105 V/cm. The largest d coefficient value obtained in this work, which is 3.4±0.3 pm/V, seems to exceed d22 of LiNbO3. Furthermore, polarization dependence of the induced SHG shows an anisotropy of the refractive index.

AB - We report on a remarkably large second-harmonic generation (SHG) in a germanosilicate glass (15.7 GeO2-84.3 SiO2 in mol %). which was induced by poling while the sample was irradiated with the ArF laser at the wavelength of 193 nm. The SHG coefficient, d. thus induced was measured at various poling electric-field strengths using the Maker-fringe technique. The value of d increases with increasing poling field and then saturates around 1.5 × 105 V/cm. The largest d coefficient value obtained in this work, which is 3.4±0.3 pm/V, seems to exceed d22 of LiNbO3. Furthermore, polarization dependence of the induced SHG shows an anisotropy of the refractive index.

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Second-harmonic generation in germanosilicate glass poled with ArF laser irradiation

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