Wide sideband generation by quasi-velocity-matched electro-optic modulator using periodic domain inversion

Fengzhen Guo; Changtai Yu; Wei Wang; Eiji Saruwatari; Akihiro Morimoto; Tetsuro Kobayashi

doi:10.1117/12.174994

2 May 1994 Wide sideband generation by quasi-velocity-matched electro-optic modulator using periodic domain inversion

Fengzhen Guo, Changtai Yu, Wei Wang, Eiji Saruwatari, Akihiro Morimoto, Tetsuro Kobayashi

Proceedings Volume 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits; (1994) https://doi.org/10.1117/12.174994
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

In the report, we explain how the quasi-velocity-matched electrooptic (EO) modulator using domain inversion can generate extreme wide sideband. The quasi-matching between the phase velocity of microwave and the group velocity of light was established by using periodic domain inversion of an EO crystal LiTaO₃ at a frequency of 9.35 GHz. Long effective interaction length was also obtained at such a high modulation frequency. As a result, we obtained modulation index 22.5 rad and extended the sidebands up to 420 GHz.

Citation Download Citation

Fengzhen Guo, Changtai Yu, Wei Wang, Eiji Saruwatari, Akihiro Morimoto, and Tetsuro Kobayashi "Wide sideband generation by quasi-velocity-matched electro-optic modulator using periodic domain inversion", Proc. SPIE 2150, Design, Simulation, and Fabrication of Optoelectronic Devices and Circuits, (2 May 1994); https://doi.org/10.1117/12.174994

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