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Nonlinear Susceptibility in Glass Points to Integrated Devices

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Breck Hitz

Amorphous glasses can exhibit second-order susceptibilities if the material’s inversion symmetry is broken by treatments such as poling or electron-beam irradiation. Recent experiments have shown that chalcohalide glasses, in particular, may have sufficient second-order nonlinearity to eliminate the need for expensive nonlinear crystals, and to integrate frequency conversion and electro-optic modulation directly into optical fibers and planar waveguides. The experiments, reported by scientists at East China University of Science and Technology in Shanghai and at Kyoto University in Japan,...Read full article

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    Published: February 2007
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    Amorphous glassesBiophotonicselectron-beam irradiationfiber opticsoptical fibersphotonicsplanar waveguidesResearch & Technology

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