Broadband Third-Harmonic Generation with a Composite KD*P Crystal

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2008,（11）
• 页码范围: 4003-4005
• 页数: 3页
• 语种: 英文

摘要

We predict that broadband efficient third-harmonic generation (THG) can be achieved with a frequency-doubling crystal and a novel composite KD*P triplet. The composite KD*P triplet is made of two partially deuterated KDP crystals with different deuteration levels by using the thermal bonding technique. The deuteration level of a partially deuterated KDP crystal is used as a degree of freedom to alter the phase-matching (PM) wavelength.Simulations show that the composite KD*P tripler can improve third-harmonic conversion efficiencies over a very wide band of input fundamental frequencies. In terms of robustness, alignment and stability, this THG scheme should be more promising than other broadband THG approaches because the composite KD*P tripler is a monolithic device.