Abstract
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 . When propagating subpicosecond pulses through of this fiber, we have observed soliton-effect temporal compression by up to a factor of 3 to around . This reduces the wavelength at which soliton effects have been observed in hollow-core PCF by over . We have used the pulses delivered at the output of the fiber to machine micrometer-scale features in copper.
© 2010 Optical Society of America
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