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Sulfur halogen glass and its production for superfast light switch

A technology of sulfur-halogen glass and ultrafast light, which is applied in the field of glass preparation, optical communication materials, and inorganic glass with third-order nonlinear optical coefficients. It can solve the problems of large nonlinear absorption in the communication band, achieve good thermal stability, and not easily The effect of crystallization, excellent optical properties and comprehensive quality

Inactive Publication Date: 2006-08-16
WUHAN UNIV OF TECH
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Problems solved by technology

[0009] US Patent US 20030012491 introduces an optical amplifier utilizing the stimulated Raman effect of a highly nonlinear chalcogenide glass fiber, but the chalcogenide glass involved in this method does not contain alkali metal halides, and there is a large nonlinearity in the communication band absorb

Method used

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  • Sulfur halogen glass and its production for superfast light switch

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Embodiment 8

[0037] Halogen glass for ultrafast optical switches, which is mainly composed of In 2 S 3 , MX, As 2 S 3 and GeS 2 Prepared from raw materials, the mol% of each raw material is: In 2 S 3 : 22, MX: 30, As 2 S 3 : 8, GeS 2 : 40; wherein, MX is CsCl and CsBr, CsCl is 15, and CsBr is 15.

[0038] The specific preparation method is the same as in Examples 1-7.

Embodiment 9

[0040] Halogen glass for ultrafast optical switches, which is mainly composed of In 2 S 3 , MX, As 2 S 3 and GeS 2 Prepared from raw materials, the mol% of each raw material is: In 2 S 3 : 22, MX: 30, As 2 S 3 : 8, GeS 2 : 40; wherein, MX is CsCl, CsBr and CsI, CsCl is 10, CsBr is 10, and CsI is 10.

[0041] The specific preparation method is the same as in Examples 1-7.

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Abstract

A sulfur halogen glass for ultra-fast photo-switch and its production are disclosed. The sulfur halogen glass consists of In2S3 20í½35mol, MX 25í½40mol, As2S3 4í½10mol and GeS2 20-50mol. MX is mixture of any one kind or two kinds and above. It has better quality and glass forming ability, less consumption and larger linear optical refractive index.

Description

technical field [0001] The invention belongs to the technical field of nonlinear optical glass materials, and relates to optical communication materials, in particular to an inorganic glass that produces sub-picosecond ultrafast optical response under the action of laser and has a large third-order nonlinear optical coefficient, and the corresponding glass preparation method. Background technique [0002] Nonlinear optical glass materials will produce special optical nonlinear response under the action of laser. Using NOLM nonlinear optical loop mirror and Mach-Zehnder interference method, the refractive index of the material is changed under the action of strong laser, so that the signal light The phase changes, and the purpose of switching and switching the optical signal is achieved by using the interference effect, and the function of the all-optical switch is realized. At the same time, by using the stimulated Raman scattering (SRS) effect of nonlinear optical glass ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/32
Inventor 陶海征赵修建肖海燕林常规董国平毛舜
Owner WUHAN UNIV OF TECH
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