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Mid-infrared integrated electro-optic modulators: a review.

Tianqi Xu1, Yuan Dong1, Qize Zhong1

  • 1School of Microelectronics, Shanghai University, Shanghai 201800, China.

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|December 16, 2024
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Summary
This summary is machine-generated.

This review covers integrated mid-infrared (MIR) electro-optic (EO) modulators, detailing their mechanisms, materials, and applications in areas like communication and sensing. It highlights recent progress, challenges, and future research directions for MIR photonic devices.

Keywords:
integrated photonicsmid-infraredoptical modulators

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Area of Science:

  • Photonics and Optical Engineering
  • Materials Science
  • Electrical Engineering

Background:

  • Integrated mid-infrared (MIR) photonics are crucial for applications including optical fiber communication, spectral detection, and free-space communication.
  • The MIR electro-optic (EO) modulator is a key component in MIR integrated photonic systems, driving significant research interest.

Purpose of the Study:

  • To review reported integrated MIR EO modulators based on diverse modulation mechanisms and material platforms.
  • To present and discuss recent research progress and challenges in the field of MIR EO modulators.

Main Methods:

  • Literature review of existing research on integrated MIR EO modulators.
  • Analysis of various modulation mechanisms and material platforms.
  • Summarization of unique advantages and applications of different MIR modulator types.

Main Results:

  • Overview of different integrated MIR EO modulator types, their operational principles, and material implementations.
  • Identification of current advancements and persistent challenges in MIR EO modulator technology.
  • Compilation of the specific benefits and use cases for each category of MIR modulators.

Conclusions:

  • Integrated MIR EO modulators are vital for advanced photonic systems.
  • Future research should focus on specific areas to overcome current limitations and unlock new applications.
  • The field shows promise for continued innovation in MIR integrated photonics.