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Ti:Ti:LiNbO<sub>3</sub>를 이용한 초고속 광 매트릭스 스위치 제조
양우석,곽용석,김제민,윤형도,이한영,윤대호,Yang, U-Seok,Kwak, Yong-Seok,Kim, Je-Min,Yoon, Hyeong-Do,Lee, Han-Yeong,Yoon, Dae-Ho 한국재료학회 2002 한국재료학회지 Vol.12 No.4
To realize channel cross-connecting in optical communications systems, a high speed optical matrix switch was fabricated using z-cut $LiNbO_3$. For switch fabrication was design bending structure and coupling length and four $2{\times}2$ directional couplers were integrated on one substrate far construction of a $4{\times}4$ switch. Single-mode optical waveguides were formed by Ti-diffusion at a wet $O_2$ atmosphere. Ti-diffusion profile, refractive index variation and waveguide morphology were analyzed by Prism coupler and optical microscopy, respectively.