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Fully integrated electrically driven optical frequency comb at communication wavelength.

Nanxi Li1, Guanyu Chen1, Leh Woon Lim1

  • 1Institute of Microelectronics, A*STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Singapore 138634, Singapore.

Nanophotonics (Berlin, Germany)
|December 5, 2024
PubMed
Summary
This summary is machine-generated.

Fully integrated electrically driven optical frequency combs (OFCs) offer a compact solution for high-capacity data transmission. This review covers recent advancements in OFC generators, focusing on resonator-based and mode-locked laser approaches.

Keywords:
devicefrequency combintegrated photonicslasernanophotonics

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Area of Science:

  • Photonics
  • Optical Communications
  • Integrated Optics

Background:

  • Increasing demand for data transmission capacity drives advancements in optical communication systems.
  • Multi-wavelength light sources like optical frequency combs (OFCs) enable higher bandwidth communication.
  • Fully integrated, electrically driven OFCs are crucial for compact, cost-effective solutions.

Purpose of the Study:

  • To review recent development progress in fully integrated, electrically driven OFC generators.
  • To focus on demonstrations and advancements within the past five years.
  • To categorize OFC generation approaches.

Main Methods:

  • Categorization of OFC generators based on their comb generation mechanisms.
  • Review of works utilizing four-wave mixing in high-Q resonators.
  • Review of works utilizing mode-locked laser technologies.

Main Results:

  • Identified two primary categories of integrated electrically driven OFC generators.
  • Highlighted key demonstrations and technological advancements in the last five years.
  • Summarized the state-of-the-art in compact, high-performance OFC generation.

Conclusions:

  • Fully integrated electrically driven OFCs are a promising technology for future high-capacity optical communication.
  • Continued research in resonator-based and mode-locked laser approaches will advance OFC performance.
  • Future outlook suggests further miniaturization, improved efficiency, and broader applications.