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Large-area Fabry-Perot modulator based on electro-optic polymers.

Nils Benter1, Ralph Peter Bertram, Elisabeth Soergel

  • 1Institute of Physics, University of Bonn, Wegelerstrasse 8, 53115 Bonn, Germany. benter@physik.uni-bonn.de

Applied Optics
|October 22, 2005
PubMed
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We developed a large-area electro-optic modulator using a novel polymer. This device achieves 1% modulation efficiency with a low effective voltage, demonstrating its potential for optical applications.

Area of Science:

  • Photonics and Optical Engineering
  • Materials Science

Background:

  • Fabry-Perot cavities are crucial for optical modulation.
  • Developing large-area, efficient electro-optic modulators is an ongoing challenge.

Purpose of the Study:

  • To present a large-area electro-optic Fabry-Perot modulator.
  • To characterize its modulation efficiency and electro-optic properties.

Main Methods:

  • Utilized a photoaddressable bis-azo polymer between dielectric mirrors.
  • Fabricated a device with a 2 cm open aperture.
  • Employed distance and wavelength tuning for characterization.

Main Results:

  • Achieved 1% modulation efficiency at 20 V effective modulation voltage.

Related Experiment Videos

  • Demonstrated operation at a wavelength of 1.55 micrometers.
  • Measured an effective electro-optic coefficient of -7 pm/V.

    • Conclusions:

    • The developed polymer-based Fabry-Perot modulator shows promising performance.
    • The large aperture and efficient modulation highlight its potential for practical optical systems.