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Broadband Third-Harmonic Generation with a Composite KD*P Crystal |
| HAN Wei1, ZHENG Wan-Guo1, YUAN Peng2, QIAN Lie-Jia2, WANG Fang1, YANG Yi-Sheng1, FENG Bin1, XIANG Yong1, LI Ke-Yu1, LI Fu-Quan1 |
| 1Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 6219002State Key Laboratory for Advanced Materials and Devices, Department of Optical Science and Engineering, Fudan University, Shanghai 200433 |
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| Cite this article: |
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HAN Wei, ZHENG Wan-Guo, YUAN Peng et al 2008 Chin. Phys. Lett. 25 4003-4005 |
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Abstract We predict that broadband efficient third-harmonic generation (THG) can be achieved with a frequency-doubling crystal and a novel composite KD*P tripler. The composite KD*P tripler 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.
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| Keywords:
42.65.Ky
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Received: 01 June 2008
Published: 25 October 2008
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| PACS: |
42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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