A comparison of the performance of LiNbO3, and LiTaO3, traveling-wave phase modulators |
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| Authors: | Wei-Ching Chuang Way-Seen Wang Jing-Hong Chu |
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| Institution: |
a Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, R.O.C |
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| Abstract: | A comparison of the phase modulators made by Ti:LiNbO3 and Ti:LiTaO3 optical waveguides is presented. Of particular interest is their halfwave voltages at the wavelength 0.6328 μm and the frequency responses for the same electrode structure. For the Ti:LiNbO3 phase modulator, a halfwave voltage of 6.6 V and a band-width of 13 GHz are obtained. Whereas, the Ti:LiTaO3, a 6.8 V halfwave voltage and 12 GHz bandwidth are obtained. |
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