Fabry-Perot optical modulator fabricated by aerosol deposition

Masafumi Nakada D.D.S.; Keishi Ohashi; Hiroki Tsuda; Jun Akedo

doi:10.1117/12.648338

5 December 2005 Fabry-Perot optical modulator fabricated by aerosol deposition

Masafumi Nakada D.D.S., Keishi Ohashi, Hiroki Tsuda, Jun Akedo

Proceedings Volume 6050, Optomechatronic Micro/Nano Devices and Components; 605004 (2005) https://doi.org/10.1117/12.648338
Event: Optomechatronic Technologies 2005, 2005, Sapporo, Japan

Abstract

We developed a Fabry-Perot (FP) optical modulator with electro-optic (EO) films fabricated by aerosol deposition (AD). We found the ferroelectric Pb(Zr,Ti)O₃ film by AD produced a fairly high EO coefficient (>150 pm/V), approximately 10 times larger than that of LiNbO₃. Since thick EO films greater than 5 μm can be deposited on a transparent electrode layer or a metallic mirror layer of the FP optical modulator by AD, the FP optical modulator can achieve low capacitance, resulting in high modulation speed. Transmittance spectra of the FP optical modulator coincided with the optical simulation spectra, which indicated that optical scattering in AD films and at the surface/boundary were very small. We demonstrated an optical intensity modulation with applied electric field to EO film of ferroelectric Pb (Zr, Ti)O₃. We obtained a 4-dB modulation with 50 V for the 10-μm-thick modulator with dielectric multilayer mirror on a glass substrate.

Citation Download Citation

Masafumi Nakada D.D.S., Keishi Ohashi, Hiroki Tsuda, and Jun Akedo "Fabry-Perot optical modulator fabricated by aerosol deposition", Proc. SPIE 6050, Optomechatronic Micro/Nano Devices and Components, 605004 (5 December 2005); https://doi.org/10.1117/12.648338

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