Noncritically phase-matched self-difference frequency generation using transition-metal doped chalcogenides
Noncritically phase-matched self-difference frequency generation using transition-metal doped chalcogenides
复制标题
使用过渡金属掺杂硫族化物产生非临界相位匹配自差频率
DOI:
10.1117/12.2653039
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Imai Shinichi
中科院分区:
文献类型:
--
作者:
Miyata Kentaro;Yumoto Masaki;Kawata Yasushi;Wada Satoshi;Imai Shinichi
We revisit self-difference frequency generation –– nonlinear mixing of the lasing field induced by stimulated emission with its pump source in a laser gain medium –– by employing transition-metal doped chalcogenides along with the standard birefringent phase-matching techniques for mid-infrared applications. The use of an a-cut Cr:CdSe crystal under the noncritical PM condition has significantly improved the conversion efficiency compared to the previous results obtained in a Cr:ZnSe slab with Fresnel phase-matching. To generalize the self-mixing design, the phase-matching conditions of solid solutions CdSxSe1-xdoped with Cr2+and Fe2+ions are characterized in the mid-infrared spectral range.
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