Instability of traveling waves in an optical waveguide |
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Authors: | Yoshihiko Mizushima |
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Institution: | 1. 7136-50, Nakaze, Hamakita, Hamamatsu, 434-0012, Japan
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Abstract: | Instability of traveling IR waves within a waveguide structure is discussed. A practical model of a traveling wave amplifier of a solid state is proposed, utilizing an optical waveguide. The mechanism of instability is interpreted in terms of an interaction between a plasmon wave and a circuit one under a constraining boundary condition. Properties of the traveling amplification and related problems are discussed, with appropriately suggested semiconductor materials and device designs. The features of the amplifier are a simple structure, a low DC biasing power dissipation for room-temperature operation, unidirectionality, and a wide wavelength range from IR or submillimeter order, suited to various applications. |
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