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Related Experiment Videos

Continuous-wave singly resonant optical parametric oscillator placed inside a ring laser.

Haim Abitan1, Preben Buchhave

  • 1Department of Physics, Denmark Technical University, DK-2800 Lyngby, Denmark. abitan@fysik.dtu.dk

Applied Optics
|December 9, 2003
PubMed
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A singly resonant optical parametric oscillator (SRO) integrated into a ring laser cavity demonstrated optimal performance when coupled with a unidirectional laser. This configuration yielded higher signal power, highlighting its preference for efficient optical parametric oscillation.

Area of Science:

  • Nonlinear Optics
  • Laser Physics
  • Materials Science

Background:

  • Ring lasers are versatile platforms for nonlinear optical processes.
  • Optical parametric oscillators (SROs) require efficient gain media for optimal performance.
  • Integrating SROs within laser cavities can enhance output power and spectral characteristics.

Purpose of the Study:

  • To construct and investigate a continuous-wave (cw) singly resonant optical parametric oscillator (SRO) integrated within a diode-end-pumped Nd:YVO4 ring laser cavity.
  • To compare the performance of the SRO when coupled with the ring laser operating in unidirectional and bidirectional modes.
  • To determine the optimal laser configuration for efficient SRO operation.

Main Methods:

  • Fabrication of a cw singly resonant optical parametric oscillator (SRO).

Related Experiment Videos

  • Integration of the SRO with an intracavity periodically poled lithium niobate nonlinear gain medium within a diode-end-pumped Nd:YVO4 ring laser.
  • Operation of the ring laser in both unidirectional and bidirectional modes.
  • Measurement of signal power and spectral features in both laser configurations.

    • Main Results:

    • The integrated system achieved significant signal power output.
    • In unidirectional mode, signal power exceeded 520 mW in a single beam.
    • In bidirectional mode, total signal power reached 600 mW (300 mW per beam).
    • Spectral features were analyzed for both operational modes.

    Conclusions:

    • Coupling a singly resonant optical parametric oscillator (SRO) with a unidirectional ring laser is preferable for enhanced performance.
    • The unidirectional configuration offers advantages in terms of signal power output and potentially spectral quality.
    • This study provides valuable insights for optimizing integrated laser-SRO systems.