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Related Experiment Video

Updated: Jul 8, 2026

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

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Published on: November 30, 2012

900-nm Nd:Ti:LiNbO(3) waveguide laser.

C T Brown, J Amin, D P Shepherd

    Optics Letters
    |January 12, 2008
    PubMed
    Summary

    Researchers achieved the first laser operation in neodymium-doped lithium niobate (Nd3+:LiNbO3) near 900 nm. This breakthrough utilized a waveguide design and achieved a low 26 mW absorbed power threshold.

    Area of Science:

    • Solid-state laser physics
    • Materials science
    • Photonics engineering

    Background:

    • Lithium niobate (LiNbO3) is a key material in photonics.
    • Neodymium (Nd3+) doping enables laser functionalities.
    • Achieving efficient laser operation in specific wavelength ranges is crucial for applications.

    Purpose of the Study:

    • To demonstrate the first laser operation of neodymium-doped lithium niobate (Nd3+:LiNbO3) near 900 nm.
    • To investigate the feasibility of waveguide laser designs for this specific material and wavelength.
    • To determine the absorbed power threshold for laser operation.

    Main Methods:

    • Fabrication and characterization of Nd3+:LiNbO3 waveguides.
    • Optical pumping of the waveguide device at 814 nm.

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    Last Updated: Jul 8, 2026

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  • Measurement of laser output power and absorbed power threshold.

    • Main Results:

    • Successful demonstration of laser operation in Nd3+:LiNbO3 near 900 nm.
    • Achieved an absorbed power threshold of 26 mW.
    • Optimized waveguide geometry to support laser emission at the target wavelength.

    Conclusions:

    • Neodymium-doped lithium niobate is a viable material for laser operation near 900 nm.
    • Waveguide design is critical for achieving efficient laser performance in this system.
    • The demonstrated low threshold indicates potential for compact and efficient laser devices.