TiO2 ring-resonator-based EO polymer modulator

Feng Qiu, Andrew Mark Spring, Daisuke Maeda, Masa Aki Ozawa, Keisuke Odoi, Isao Aoki, Akira Otomo, Shiyoshi Yokoyama

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this work, an electro-optic (EO) ring resonator modulator was designed and fabricated in a waveguide consisting of a titanium dioxide (TiO2) core, silicon dioxide (SiO2) buffer layer, EO polymer claddings, and electrodes. By optimizing the thickness of the TiO2 and SiO2 layers, the modulator could satisfy the single-mode requirement; furthermore 52.5% TM mode was confined in the active EO polymer layers. The designed modulator could also pole the EO polymer effectively regardless of its resistivity. Therefore, the EO modulator was observed to show a high resonance wavelength shift of 2.25 × 10-2 nm/V. The intensity modulation at 1550 nm showed a Vp-p = 1.9 V for a 3dB distinction ratio.

Original languageEnglish
Pages (from-to)14101-14107
Number of pages7
JournalOptics Express
Volume22
Issue number12
DOIs
Publication statusPublished - Jun 16 2014

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electro-optics
modulators
resonators
rings
polymers
titanium oxides
poles
buffers
silicon dioxide
waveguides
modulation
requirements
electrical resistivity
electrodes
shift
wavelengths

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Qiu, F., Spring, A. M., Maeda, D., Ozawa, M. A., Odoi, K., Aoki, I., ... Yokoyama, S. (2014). TiO2 ring-resonator-based EO polymer modulator. Optics Express, 22(12), 14101-14107. https://doi.org/10.1364/OE.22.014101

TiO2 ring-resonator-based EO polymer modulator. / Qiu, Feng; Spring, Andrew Mark; Maeda, Daisuke; Ozawa, Masa Aki; Odoi, Keisuke; Aoki, Isao; Otomo, Akira; Yokoyama, Shiyoshi.

In: Optics Express, Vol. 22, No. 12, 16.06.2014, p. 14101-14107.

Research output: Contribution to journalArticle

Qiu, F, Spring, AM, Maeda, D, Ozawa, MA, Odoi, K, Aoki, I, Otomo, A & Yokoyama, S 2014, 'TiO2 ring-resonator-based EO polymer modulator', Optics Express, vol. 22, no. 12, pp. 14101-14107. https://doi.org/10.1364/OE.22.014101
Qiu F, Spring AM, Maeda D, Ozawa MA, Odoi K, Aoki I et al. TiO2 ring-resonator-based EO polymer modulator. Optics Express. 2014 Jun 16;22(12):14101-14107. https://doi.org/10.1364/OE.22.014101
Qiu, Feng ; Spring, Andrew Mark ; Maeda, Daisuke ; Ozawa, Masa Aki ; Odoi, Keisuke ; Aoki, Isao ; Otomo, Akira ; Yokoyama, Shiyoshi. / TiO2 ring-resonator-based EO polymer modulator. In: Optics Express. 2014 ; Vol. 22, No. 12. pp. 14101-14107.
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