PPKTP series crystals are engineered to meet the specific needs of advanced optical applications, offering high conversion efficiency and exceptional wavelength versatility. By utilizing periodic poling, these crystals access the highest nonlinear coefficients and eliminate spatial walk-off for optimized performance.
- High Efficiency: Periodic poling achieves superior conversion efficiency by accessing maximum nonlinear coefficients without spatial walk-off.
- Wavelength Versatility: Enables phase-matching across the entire transparency region of the crystal.
- Customizability: Fully engineerable to meet specific bandwidth, temperature setpoints, and output polarization requirements.
- Advanced Interactions: Supports complex nonlinear interactions, including those involving counterpropagating waves.
Product Features:
- Transparency Window: 0.4 – 3 µm transparency range.
- High Optical Damage Threshold: Engineered for superior durability and reliability.
- Large Nonlinearity: High performance with d33 = 16.9 pm/V.
- Crystal Lengths: Available in lengths up to 30 mm.
- Large Apertures: Custom apertures available upon request (up to 4 x 4 mm²).
- Optional Coatings: HR and AR coatings available for improved performance and efficiency.
- Advanced Poling: Aperiodic poling available for high spectral purity SPDC applications.
Advantages of PPKTP:
- High Efficiency: Periodic poling achieves higher conversion efficiency by accessing the highest nonlinear coefficient and eliminating spatial walk-off.
- Wavelength Versatility: Possible to achieve phase-matching in the entire transparency region of the crystal.
- Customizability: Engineered to meet specific needs, including control over bandwidth, temperature setpoint, and output polarizations.
- Advanced Interactions: Enables nonlinear interactions involving counterpropagating waves.
