High efficiency electro-optic polymer/ TiO2 waveguide modulators

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this work, we have demonstrated a phase modulator and a ring resonator modulator by using a thin TiO2 and electrooptic (EO) polymer derived hybrid waveguide structure. This TiO2 layer enables the modulators to be constituted without a top cladding, and also can enhance in-device EO coefficient from 70 to 120 pm/V. We utilized the high refractive index TiO 2 to confine a large fraction of light in the relatively low refractive index EO polymer layer. As a result, the phase modulator has a VπL of 3.3 Vcm, corresponding to 1.65 Vcm in a push-pull Mach-Zehnder interferometer structure. For the ring modulator, the resonance was observed to shift by 0.02 nm/V, and a modulation depth of 3dB was observed at the frequency response function at 20 kHz using 2 Vp-p clock signal.

Original languageEnglish
Title of host publicationOptical Processes in Organic Materials and Nanostructures II
Volume8827
DOIs
Publication statusPublished - 2013
EventOptical Processes in Organic Materials and Nanostructures II - San Diego, CA, United States
Duration: Aug 25 2013Aug 28 2013

Other

OtherOptical Processes in Organic Materials and Nanostructures II
CountryUnited States
CitySan Diego, CA
Period8/25/138/28/13

Fingerprint

Electro-optics
TiO2
Modulator
Electrooptical effects
Modulators
electro-optics
High Efficiency
Waveguide
modulators
Polymers
Waveguides
waveguides
polymers
Refractive Index
Refractive index
refractivity
Frequency Response Function
Ring Resonator
Mach-Zehnder Interferometer
Mach-Zehnder interferometers

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Qiu, F., & Yokoyama, S. (2013). High efficiency electro-optic polymer/ TiO2 waveguide modulators. In Optical Processes in Organic Materials and Nanostructures II (Vol. 8827). [88270A] https://doi.org/10.1117/12.2024803

High efficiency electro-optic polymer/ TiO2 waveguide modulators. / Qiu, Feng; Yokoyama, Shiyoshi.

Optical Processes in Organic Materials and Nanostructures II. Vol. 8827 2013. 88270A.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Qiu, F & Yokoyama, S 2013, High efficiency electro-optic polymer/ TiO2 waveguide modulators. in Optical Processes in Organic Materials and Nanostructures II. vol. 8827, 88270A, Optical Processes in Organic Materials and Nanostructures II, San Diego, CA, United States, 8/25/13. https://doi.org/10.1117/12.2024803
Qiu F, Yokoyama S. High efficiency electro-optic polymer/ TiO2 waveguide modulators. In Optical Processes in Organic Materials and Nanostructures II. Vol. 8827. 2013. 88270A https://doi.org/10.1117/12.2024803
Qiu, Feng ; Yokoyama, Shiyoshi. / High efficiency electro-optic polymer/ TiO2 waveguide modulators. Optical Processes in Organic Materials and Nanostructures II. Vol. 8827 2013.
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