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Related Experiment Video

Updated: May 7, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

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Sub-2W tunable laser based on silicon photonics power amplifier.

Neetesh Singh1, Jan Lorenzen2, Muharrem Kilinc2

  • 1Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany. neetesh.singh@desy.de.

Light, Science & Applications
|January 1, 2025
PubMed
Summary

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This summary is machine-generated.

This study introduces large-mode-area (LMA) technology on silicon photonics chips to create high-power tunable lasers. This integrated device significantly boosts laser output power for widespread applications.

Area of Science:

  • Integrated Photonics
  • High-Power Lasers
  • Silicon Photonics

Background:

  • High-power tunable lasers are crucial for applications like telecom, ranging, and molecular sensing.
  • Integrated photonics systems are typically limited in power due to small size and low energy storage.
  • Large-mode-area (LMA) fiber technology revolutionized high-power fiber lasers by increasing optical mode area.

Purpose of the Study:

  • To demonstrate the integration of LMA technology into chip-scale silicon photonics for high-power laser generation.
  • To overcome the power limitations of current integrated tunable lasers.

Main Methods:

  • Development and implementation of a silicon photonics-based large-mode-area (LMA) power amplifier.
  • Integration of LMA technology onto a chip-scale platform.

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Main Results:

  • Demonstrated a high-power tunable laser with output power reaching 1.8 W.
  • Achieved a tunability range of 60 nm, from 1.83 µm to 1.89 µm.
  • The integrated LMA device significantly increases power compared to existing integrated tunable lasers (tens of milliwatts).

Conclusions:

  • Chip-scale integration of LMA technology enables high-power signal generation in photonic systems.
  • The demonstrated silicon photonics LMA device surpasses the power of many benchtop systems.
  • This technology is poised for mass deployment in high-power applications, offering a compact alternative to bulky equipment.