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Related Experiment Video

Updated: Jun 23, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Continuous-wave, singly-resonant, optical parametric oscillator based on periodically poled KTiOPO4.

T Edwards, G Turnbull, M Dunn

    Optics Express
    |April 30, 2009
    PubMed
    Summary

    A continuous-wave singly-resonant optical parametric oscillator (SRO) was built using periodically poled KTiOPO4 (PPKTP) crystal. This device achieved 455 mW output power and tunable wavelengths for various applications.

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    Area of Science:

    • Nonlinear optics
    • Laser physics
    • Materials science

    Background:

    • Optical parametric oscillators (OPOs) are crucial for generating tunable laser light.
    • Singly-resonant OPOs (SROs) offer efficient wavelength generation.
    • Periodically poled crystals enable quasi-phase-matched nonlinear interactions.

    Purpose of the Study:

    • To implement and characterize a continuous-wave singly-resonant optical parametric oscillator (SRO).
    • To investigate the tuning capabilities and output power of the SRO system.
    • To explore the potential of intracavity-pumped SROs for specific wavelength generation.

    Main Methods:

    • Utilized a 20 mm long periodically poled KTiOPO4 (PPKTP) crystal.
    • Intracavity-pumped the SRO within a Ti:sapphire laser at room temperature.

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    Last Updated: Jun 23, 2026

    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
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    Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

    Published on: May 30, 2014

    Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
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  • Employed both pump tuning and temperature tuning for wavelength selection.
  • Configured the device in a ring-cavity setup for single-frequency output.

    • Main Results:

    • Achieved a maximum output power of 455 mW at an idler wavelength of 2.47 microm.
    • Demonstrated SRO tuning ranges of 1.14-1.27 microm (signal) and 2.23-2.73 microm (idler).
    • Obtained 115 mW of single-frequency idler output at 2.35 microm using a ring-cavity configuration.

    Conclusions:

    • The implemented intracavity-pumped SRO using PPKTP is an effective source of tunable laser radiation.
    • The device demonstrates significant output power and broad tuning capabilities.
    • The ring-cavity configuration enables generation of high-quality single-frequency output.