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30 September 19961.3-um Ti:LiNbO3 optical waveguide four-channel electrical tunable frequency demultiplexer
1Univ. of Electronic Science and Technology of China (China) 2Univ. of Electronic Science and Tecnology of China (China) 3Univ. of Electronic Science and Tecnoloyg of China (China)
1.3 micrometers Ti:LiNbO3 optical waveguide frequency demultiplexer with four-channel electrical tune is presented. The device consists of the single mode waveguide which has a pair of modulated electrodes and a DBR reflector. By changing the voltage added to the electrodes, the four different optical frequencies can be selected, because of the waveguide reflective index change induced by electro-optic effect.