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Fabrication and Testing of Photonic Thermometers
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Athermal silicon microring electro-optic modulator.

Biswajeet Guha1, Kyle Preston, Michal Lipson

  • 1School of Electrical and Computer Engineering, Cornell University, Ithaca, 14853 New York, USA.

Optics Letters
|June 29, 2012
PubMed
Summary
This summary is machine-generated.

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We developed novel silicon electro-optic modulators that maintain stable performance across a 35°C temperature range, enabling reliable 2 GHz continuous modulation without active cooling.

Area of Science:

  • Photonics and Materials Science
  • Integrated Optics
  • Optoelectronics

Background:

  • Silicon photonics offers a scalable platform for optical modulation.
  • Temperature fluctuations can degrade the performance of electro-optic modulators.
  • Existing modulators often require active thermal management, increasing complexity and cost.

Purpose of the Study:

  • To introduce a new class of passively temperature-stabilized silicon electro-optic modulators.
  • To demonstrate stable high-speed modulation over a significant temperature range.
  • To provide design guidelines for scalable device fabrication.

Main Methods:

  • Integration of a ring resonator with a Mach-Zehnder interferometer.
  • Engineering specific thermal properties into the modulator design.

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  • Experimental validation of modulation performance across varying temperatures.

    • Main Results:

    • Demonstration of 2 GHz continuous modulation.
    • Achieved stable operation over a 35°C temperature range.
    • Characterization of the device's thermal stability and performance.

    Conclusions:

    • The developed resonant silicon electro-optic modulators offer passive temperature stabilization.
    • This technology enables robust, high-speed optical modulation without active cooling.
    • The design principles are scalable for practical applications in photonic integrated circuits.