Diamond-blade diced trapezoidal ridge waveguides in YCOB crystal for second harmonic generation
Diamond-blade diced trapezoidal ridge waveguides in YCOB crystal for second harmonic generation
复制标题
用于产生二次谐波的 YCOB 晶体中金刚石刀片切割梯形脊波导
DOI:
10.1016/j.optlastec.2020.106128
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发表时间:
2020-06
影响因子:
5
通讯作者:
Shengqiang Zhou
中科院分区:
文献类型:
--
作者:
Chen Chen;Qingming Lu;Shavkat Akhmadaliev;Shengqiang Zhou
Trapezoidal ridge waveguides have been fabricated in YCOB nonlinear optical crystals by carbon ion irradiation and precise diamond-blade dicing. The diced ridges with smooth side-walls allow for near-infrared (1064 nm) light guiding with propagation losses around 1 dB/cm. Refractive index profile of a waveguide has been reconstructed in a reasonable manner. Green second harmonic light have been generated at room temperature via type I birefringent phase matching. Under the pump of continuous and pulsed lasers, conversion efficiencies for guided-wave frequency doubling can be up to ~1.10% W−1and ~6.22%, respectively.
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DOI:
10.1016/c2017-0-02432-1
发表时间:
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期刊:
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影响因子:
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