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Related Experiment Video

Updated: May 29, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Robust single-mode laser via merging bound state in the continuum.

Kai Peng1, Jiyoung Moon2, Yilin Meng1

  • 1Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA.

Light, Science & Applications
|May 27, 2026
PubMed
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We developed a robust single-mode laser using merging bound states in the continuum (BICs). This compact photonic crystal laser shows stable lasing at high powers, overcoming previous limitations.

Area of Science:

  • Photonics
  • Laser Physics
  • Materials Science

Background:

  • Bound states in the continuum (BICs) offer strong light confinement for photonic applications.
  • Existing BIC lasers face challenges with mode competition and fabrication, limiting performance and size.
  • High-performance, compact BIC lasers are crucial for advanced photonic devices.

Purpose of the Study:

  • To demonstrate a robust, single-mode laser utilizing the merging BIC concept.
  • To achieve stable lasing behavior under high-power excitation.
  • To realize an ultra-compact photonic crystal laser through BIC mode and edge engineering.

Main Methods:

  • Leveraging the "merging BIC" concept in momentum space for stable lasing.
  • Employing edge engineering to combine BIC modes in a compact structure.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Related Experiment Videos

Last Updated: May 29, 2026

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
08:48

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

  • Fabricating a 5×5 periodic array photonic crystal with a sub-15 μm² patterned area.

    • Main Results:

    • Demonstrated stable lasing behavior up to 80 times the threshold power.
    • Showcased exceptional mode stability under high-power excitation.
    • Realized an ultra-compact photonic crystal laser with a minimal footprint.

    Conclusions:

    • The merging BIC concept enables robust, single-mode lasing with enhanced stability.
    • Edge engineering combined with BIC modes leads to ultra-compact laser designs.
    • This work presents a viable pathway for high-performance, miniaturized lasers in photonic applications.