Efficiently poled electro-optic polymer modulators

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A titanium dioxide (TiO2) / electro-optic (EO) polymer hybrid waveguide modulator was designed and fabricated. This modulator possessed a significant advantage for realizing high poling efficiency regardless of the EO polymer resistivity. The in-device EO coefficient was measured to be 100 pm/V, which was 32% higher than that of the thin polymer film. As a result, the phase modulator displayed a VπL figure of merit of 3.5 V·cm at 1550 nm, which can be reduced further in a push-pull Mach-Zehnder interferometer structure. Temporal stability test of the modulator at 85°C indicated only 8% change of Vπ over 500 hours. The propagation loss in the waveguide was measured as ∼3 dB/cm.

Original languageEnglish
Pages (from-to)19020-19025
Number of pages6
JournalOptics Express
Volume24
Issue number17
DOIs
Publication statusPublished - Aug 22 2016

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electro-optics
modulators
polymers
waveguides
stability tests
Mach-Zehnder interferometers
figure of merit
titanium oxides
electrical resistivity
propagation
coefficients

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Efficiently poled electro-optic polymer modulators. / Qiu, Feng; Yokoyama, Shiyoshi.

In: Optics Express, Vol. 24, No. 17, 22.08.2016, p. 19020-19025.

Research output: Contribution to journalArticle

Qiu, Feng ; Yokoyama, Shiyoshi. / Efficiently poled electro-optic polymer modulators. In: Optics Express. 2016 ; Vol. 24, No. 17. pp. 19020-19025.
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