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Updated: Jun 13, 2026
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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Tunable upconverted optical parametric oscillator with intracavity adiabatic sum-frequency generation
Gil Porat1, Haim Suchowski, Yaron Silberberg
1Department of Physical Electronics, Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel. gilporat@post.tau.ac.il
Optics Letters
|May 19, 2010
Summary
Researchers achieved tunable red light generation using a single crystal. This efficient upconversion process demonstrates a new method for producing tunable light sources with potential applications in optics and photonics.
Area of Science:
- Nonlinear optics
- Laser physics
- Materials science
Background:
- Efficient generation of tunable visible light is crucial for various applications.
- Upconversion processes are essential for frequency conversion in lasers.
Purpose of the Study:
- To demonstrate efficient tunable upconversion by cascading optical oscillation and wideband adiabatic sum-frequency generation.
- To achieve tunable red light generation in a single crystal.
Main Methods:
- Utilizing a single Potassium Titanyl Phosphate (KTiOPO4) crystal.
- Cascading optical oscillation and wideband adiabatic sum-frequency generation.
- Experimentally demonstrating tunable red light output.
Main Results:
- Tunable red light generated over a 6.2 nm wavelength band.
- Maximum conversion efficiency of 4.7% for 1064 nm pump to red output.
- Obtained 71 mW of average power at 637 nm with 1.5 W pump power.
Conclusions:
- The study successfully demonstrated efficient tunable upconversion in a single KTiOPO4 crystal.
- The cascaded process offers a promising approach for generating tunable visible light.
- The achieved efficiency and power output show potential for practical applications.
