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首页> 美国政府科技报告 >DURIP-95: Optical Frequency Shifters and Phase Detectors Based on NovelSemiconductor Structures
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DURIP-95: Optical Frequency Shifters and Phase Detectors Based on NovelSemiconductor Structures

机译：DURIp-95：基于新型半导体结构的光学移频器和相位检测器

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After this grant was awarded and the matching fund was provided by Bowling GreenState University, we purchased a YAG-laser-pumped optical parametric oscillator, which consists of three major components. We have optimized our multilayer structures for surface-emitting second-harmonic generation, transversely-pumped counter-propagating optical parametric amplification, and difference-frequency generation. We are currently characterizing this sample using our new laser system. The parametric processes will enable us to efficiently generate coherent light in the mid-infrared domain. Recently, we proposed backward optical parametric oscillators, amplifiers, and second-harmonic generation. Most recently, we observed backward second-harmonic generation in these crystals.

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