High-frequency fiber optic phase modulator using piezoelectric polymer coating

Masaaki M. Imai; T. Yano; Yoshihiro Ohtsuka

doi:10.1117/12.24877

1 February 1991 High-frequency fiber optic phase modulator using piezoelectric polymer coating

Masaaki M. Imai, T. Yano, Yoshihiro Ohtsuka

Proceedings Volume 1371, High-Frequency Analog Fiber Optic Systems; (1991) https://doi.org/10.1117/12.24877
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

High-frequency response (about 50 MHz) is reported for a fiber-optic phase modulator that is coated with vinylidene fluoride/trifluoroethylene (VDF/TrFE) copolymer, 80 about 90 microns thick, on a single-mode fiber of 80 microns diameter and made piezoactive by radial poling. A flat response of optical phase shifts is observed in the frequency range over 10 KHz to 3 MHz whereas at frequencies higher than 4 MHz it shows multiple peaks dominated by radial resonances of the fiber-jacket composite. An excellent agreement exists between the experimental data and theoretical calculations based on radial vibration analysis.

Citation Download Citation

Masaaki M. Imai, T. Yano, and Yoshihiro Ohtsuka "High-frequency fiber optic phase modulator using piezoelectric polymer coating", Proc. SPIE 1371, High-Frequency Analog Fiber Optic Systems, (1 February 1991); https://doi.org/10.1117/12.24877

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