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Related Experiment Video

Updated: May 31, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Photonic crystal disk lasers.

Yinan Zhang1, Christoph Hamsen, Jennifer T Choy

  • 1School of Engineering and Applied Sciences, Harvard University, 9 Oxford Street, Cambridge, Massachusetts 02138, USA. yinan@seas.harvard.edu

Optics Letters
|July 19, 2011
PubMed
Summary
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Researchers developed novel nanolasers combining photonic crystal and microdisk designs. These compact, low-threshold devices show promise for on-chip integration in signal processing and sensing applications.

Area of Science:

  • Optoelectronics
  • Nanotechnology
  • Materials Science

Background:

  • Photonic crystal lasers and microdisk lasers offer unique optical properties.
  • Integrating these laser types presents challenges for on-chip applications.
  • Quantum wells are crucial for semiconductor laser performance.

Purpose of the Study:

  • To demonstrate a novel nanolaser combining photonic crystal and microdisk advantages.
  • To achieve vertical emission with a small footprint and mode volume.
  • To explore potential for highly-integrated on-chip nanolasers.

Main Methods:

  • Fabrication of nanolasers using InAlGaAs/InGaAs quantum wells.
  • Utilizing pulsed optical pumping at room temperature.
  • Characterization of laser properties including threshold and emission.

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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

Related Experiment Videos

Last Updated: May 31, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
11:08

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
13:02

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

Published on: February 25, 2017

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
10:35

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Published on: May 29, 2018

Main Results:

  • Successful demonstration of a novel nanolaser.
  • Achieved submilliwatt threshold power.
  • Observed vertical emission with small footprint and mode volume.

Conclusions:

  • The demonstrated nanolaser is a promising candidate for on-chip integration.
  • Potential applications include signal processing and index sensing.
  • This design offers advantages for future optoelectronic integrated circuits.