Centre for Photonics and Photonic Materials, Department of Physics, University of Bath, Bath, BA2 7AY, UK.
Opt Lett. 2010 Nov 1;35(21):3589-91. doi: 10.1364/OL.35.003589.
We have fabricated a bandgap-guiding hollow-core photonic crystal fiber (PCF) capable of transmitting and compressing ultrashort pulses in the green spectral region around 532 nm. When propagating subpicosecond pulses through 1 m of this fiber, we have observed soliton-effect temporal compression by up to a factor of 3 to around 100 fs. This reduces the wavelength at which soliton effects have been observed in hollow-core PCF by over 200 nm. We have used the pulses delivered at the output of the fiber to machine micrometer-scale features in copper.
我们制造了一种带隙导空芯光子晶体光纤（PCF），能够在 532nm 左右的绿光光谱区域传输和压缩超短脉冲。当通过 1 米长的这种光纤传播亚皮秒脉冲时，我们观察到孤子效应的时间压缩高达 3 倍左右，达到 100fs。这将在空芯 PCF 中观察到孤子效应的波长降低了 200nm 以上。我们使用光纤输出的脉冲在铜上加工出了微米级的特征。
