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Related Experiment Video

Updated: Jun 4, 2026

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

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Variable pulse repetition frequency output from an optically injected solid state laser.

D M Kane1, J P Toomey

  • 1MQ Photonics Research Centre, Department of Physics and Astronomy, Macquarie University, Sydney, NSW, Australia. deb.kane@mq.edu.au

Optics Express
|March 4, 2011
PubMed
Summary

An optically injected solid state laser (OISSL) system can generate continuously variable pulse repetition frequencies (prf) from 200 kHz to 4 MHz. This breakthrough offers versatile laser systems for diverse applications.

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Area of Science:

  • Nonlinear dynamics
  • Laser physics
  • Optoelectronics

Background:

  • Optically injected solid state lasers (OISSLs) exhibit complex nonlinear dynamics.
  • These dynamics are influenced by master laser injection strength and frequency detuning.
  • Previous research explored OISSLs' nonlinear behavior but not their potential for variable pulse generation.

Purpose of the Study:

  • To identify and demonstrate a continuously variable pulse repetition frequency (prf) operation within OISSLs.
  • To explore the achievable range of prf for a specific OISSL system.
  • To generalize findings and propose future research directions for variable prf OISSLs.

Main Methods:

  • Analysis of prior experimental and simulation results of an optically injected Nd:YVO4 solid state laser system.
  • Investigation of nonlinear dynamics within the OISSL parameter space.
  • Theoretical generalization to other OISSL systems.

Main Results:

  • A specific OISSL configuration was found to embed a continuously controllable prf.
  • Pulse repetition frequencies from 200 kHz to 4 MHz were demonstrated for an Nd:YVO4 system.
  • The upper bound for prf is related to the laser's relaxation oscillation frequency.

Conclusions:

  • OISSLs can serve as versatile laser sources with continuously tunable prf.
  • The demonstrated prf range and underlying principles have broad implications for laser system design.
  • Future work should focus on understanding practical limitations and enhancing variable prf OISSL capabilities for applications.