Point-to-Volume Engineering Enables Enhanced Birefringence and Wide Bandgap in Hybrid Halide Ultraviolet Nonlinear Optical Crystals

Key Points

• The study aims to address the limitations in developing ultraviolet nonlinear optical crystals regarding birefringence and bandgap.
• Utilized point-to-volume engineering techniques
• Synthetically created hybrid halide compounds
• Characterized optical properties, including birefringence and SHG response
• Achieved a significant increase in birefringence
• Demonstrated a notable widening of the bandgap
• Enhanced performance in second harmonic generation compared to existing materials