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Injection-locked operation of an optically pumped semiconductor laser.

Yi-Ying Lai, Yevgeniy Merzlyak, J M Yarborough

    Optics Letters
    |November 1, 2014
    PubMed
    Summary
    This summary is machine-generated.

    We demonstrated a single-frequency, continuous-wave, optically pumped semiconductor laser (OPSL) using injection-locking. This technique boosted laser output power beyond its free-running state, achieving over 9 W at 1015 nm.

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    Area of Science:

    • Optics and Photonics
    • Semiconductor Lasers

    Background:

    • Optically pumped semiconductor lasers (OPSLs) are crucial for various applications.
    • Achieving high output power and single-frequency operation is a key challenge.

    Purpose of the Study:

    • To demonstrate a single-frequency, continuous-wave OPSL using injection-locking.
    • To investigate the impact of key parameters on laser performance.

    Main Methods:

    • Utilized an injection-locking technique to stabilize OPSL output.
    • Systematically varied output coupling, injection power, and injection wavelength.
    • Employed a master laser for injection.

    Main Results:

    • Achieved single-frequency, continuous-wave operation.
    • Demonstrated that injection-locking can enhance output power compared to free-running.
    • Obtained over 9 W of output power at 1015 nm with 1.5 W of injection power.

    Conclusions:

    • Injection-locking is an effective method for improving OPSL performance.
    • Optimized parameters are critical for maximizing output power.
    • The demonstrated OPSL shows potential for high-power, single-frequency applications.