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Related Experiment Video

Updated: Jun 22, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
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Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

Microfluidic tuning of distributed feedback quantum cascade lasers.

Laurent Diehl, Benjamin G Lee, Peter Behroozi

    Optics Express
    |June 17, 2009
    PubMed
    Summary

    Researchers tuned quantum cascade laser emission wavelengths using fluids and developed a method for microfluidic integration. This optofluidic approach enables compact, portable lab-on-a-chip devices.

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    Area of Science:

    • Optics and Photonics
    • Materials Science
    • Microfluidics

    Background:

    • Quantum cascade lasers (QCLs) are semiconductor lasers with tunable emission wavelengths.
    • Integrating microfluidics with lasers (optofluidics) offers potential for miniaturized analytical devices.

    Purpose of the Study:

    • To tune the emission wavelength of a single-mode distributed feedback quantum cascade laser.
    • To develop a fabrication method for encapsulating QCLs in polymers for microfluidic delivery.

    Main Methods:

    • Modifying the mode effective refractive index of the QCL using external fluids.
    • Developing a polymer encapsulation technique for microfluidic integration of the laser devices.

    Main Results:

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    Last Updated: Jun 22, 2026

    Fabrication and Testing of Microfluidic Optomechanical Oscillators
    09:10

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    Published on: May 29, 2014

    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

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  • Successfully tuned the emission wavelength of the QCL by altering the refractive index with fluids.
  • Presented a fabrication procedure for polymer encapsulation enabling microfluidic delivery.

    • Conclusions:

    • Optofluidic integration of QCLs is a viable strategy for developing novel compact and portable lab-on-a-chip applications.
    • The presented method facilitates precise wavelength tuning and microfluidic control for advanced optofluidic systems.