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Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
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Modulational-instability sigma-resonator fiber laser.

P Honzatko, P Peterka, J Kanka

    Optics Letters
    |November 28, 2007
    PubMed
    Summary

    A novel modulational instability laser was developed using a sigma configuration resonator. This laser generates a 107 GHz pulse train at 1.56 µm, crucial for high-speed optical communications.

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    Area of Science:

    • Optics and Photonics
    • Laser Physics
    • Nonlinear Optics

    Background:

    • Modulational instability lasers are essential for generating high-repetition-rate pulse trains.
    • Sigma configuration resonators offer unique properties for laser design.
    • Autocorrelation background can limit the performance of pulsed laser systems.

    Purpose of the Study:

    • To develop a modulational instability laser utilizing a sigma configuration resonator.
    • To investigate the role of intracavity filters in mitigating autocorrelation background.
    • To achieve a high-repetition-rate pulse train at 1.56 µm.

    Main Methods:

    • Development of a laser system with a sigma configuration resonator.
    • Incorporation of a suitable intracavity filter.
    • Utilizing a Fabry-Perot etalon to define the resonator's properties.

    Main Results:

    • Successful development of a modulational instability laser in a sigma configuration.
    • Demonstration of an intracavity filter's effectiveness in removing autocorrelation background.
    • Generation of a 107 GHz pulse train at 1.56 µm.

    Conclusions:

    • The developed sigma configuration laser is effective for generating high-repetition-rate pulse trains.
    • Intracavity filters are critical for optimizing output signal quality by reducing background noise.
    • The 107 GHz pulse train at 1.56 µm has significant potential for optical communication applications.

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