TY - JOUR
T1 - Experimental Study on a Second-Harmonic Intensity Modulator with Quasi-Phase-Matched Optical Waveguides
AU - Ito, Kenchi
AU - Helmfrid, Sten
AU - Tatsuno, Kimio
PY - 1994/7
Y1 - 1994/7
N2 - A second-harmonic intensity modulator with quasi-phase-matched optical waveguide is fabricated and demonstrated. The domain-inverted structure and proton-exchanged optical waveguides are fabricated on a Z-cut LiTaO3 substrate. Traveling-wave type Al electrodes are fabricated on the SiO2 buffer layer. Second-harmonic radiation can be modulated by giving phase mismatch to the second-harmonic generator by using the electro-optic effect. The conversion efficiency of the device is 0.4%/Wcm2 and the switching voltage is 180 V, when the duty ratio of the quasi-phase-matched grating is 0.4. Modulation is achieved up to about 1 MHz.
AB - A second-harmonic intensity modulator with quasi-phase-matched optical waveguide is fabricated and demonstrated. The domain-inverted structure and proton-exchanged optical waveguides are fabricated on a Z-cut LiTaO3 substrate. Traveling-wave type Al electrodes are fabricated on the SiO2 buffer layer. Second-harmonic radiation can be modulated by giving phase mismatch to the second-harmonic generator by using the electro-optic effect. The conversion efficiency of the device is 0.4%/Wcm2 and the switching voltage is 180 V, when the duty ratio of the quasi-phase-matched grating is 0.4. Modulation is achieved up to about 1 MHz.
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U2 - 10.1143/JJAP.33.3929
DO - 10.1143/JJAP.33.3929
M3 - Article
AN - SCOPUS:0028460571
VL - 33
JO - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
JF - Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes
SN - 0021-4922
IS - 7R
ER -