Instability of traveling waves in an optical waveguide

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 u...

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Bibliographic Details
Published inOptical review (Tokyo, Japan) Vol. 19; no. 5; pp. 290 - 293
Main Author Mizushima, Yoshihiko
Format Journal Article
LanguageEnglish
Published Japan Optical Society of Japan 01.09.2012
Subjects
Atomic
Lasers
Letter
Microwaves
Molecular
Optical and Plasma Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Quantum Optics
RF and Optical Engineering
traveling wave
instability
IR
amplifier
plasma
optical
waveguide
Vlasov
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Summary: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.
ISSN:1340-6000
1349-9432
DOI:10.1007/s10043-012-0045-3