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Related Experiment Videos

Efficient, high-frequency bulk phase modulator.

Jonathan D Zuegel1, Douglas W Jacobs-Perkins

  • 1Laboratory for Laser Energetics, University of Rochester, 250 East River Road, Rochester, New York 14623-1299, USA. zuegel@lle.rochester.edu

Applied Optics
|April 7, 2004
PubMed
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This study demonstrates an efficient 10.4-GHz bulk phase modulator. It achieves over 300 GHz optical bandwidth using a double-pass configuration and modest microwave power.

Area of Science:

  • Photonics
  • Optical Communications
  • Microwave Engineering

Background:

  • Phase modulators are crucial components in optical communication systems.
  • Efficient modulation is key to increasing data transmission rates.
  • Existing modulators often require high drive power or offer limited bandwidth.

Purpose of the Study:

  • To demonstrate an efficient bulk phase modulator operating at 10.4 GHz.
  • To achieve a large frequency-modulated optical bandwidth.
  • To reduce the microwave drive power requirements for high-bandwidth modulation.

Main Methods:

  • Utilized a waveguide resonator design for enhanced phase-modulation efficiency.
  • Employed velocity matching to optimize modulator performance.

Related Experiment Videos

  • Incorporated modified cutoff waveguide coupling to achieve a high microwave cavity Q factor.
  • Conducted double-pass modulation for increased optical bandwidth.

    • Main Results:

    • Achieved frequency-modulated optical bandwidths exceeding 300 GHz.
    • Demonstrated efficient operation with modest microwave drive power.
    • Measured microwave performance aligned with 3D numerical simulations.

    Conclusions:

    • The demonstrated bulk phase modulator offers a promising solution for high-bandwidth optical systems.
    • The waveguide resonator design and coupling method effectively reduce power requirements.
    • The results validate the accuracy of the employed numerical simulation techniques.