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We have proposed and demonstrated a novel optical-parametric chirped-pulse amplification scheme in which an even order dispersion of an idler pulse is compensated by passing through an identical positive dispersive material used for temporal stretching a signal pulse. By compressing the idler pulses having a negatively chirp in this manner, high power sub-100 fs pulses were successfully obtained with...
We have demonstrated ultra-broadband optical parametric chirped-pulse amplification of more than 550-nm bandwidth by using time-delayed two broadband pump pulses at degeneracy.
We present a cryogenically-cooled Yb:LiYF4 chirped-pulse amplification system with an energy of Gt100-mJ boosted by regenerative and multi-pass amplifiers for pumping multi-terawatt, few-cycle optical parametric chirped-pulse amplification.
We have demonstrated ultra-broadband optical parametric chirped- pulse amplification of 300-nm bandwidth pumped by a diode-pumped, cryogenic-cooled Yb:YLF chirped-pulse amplification laser.
A diode-pumped, cryogenically-cooled Yb: KYW regenerative amplifier utilizing regenerative pulse shaping has been developed. An amplified pulse with an energy of 5.5 mJ and a broad bandwidth of 3.4 nm is achieved.
We present an ultra-broadband optical parametric chirped-pulse amplification system with a 400 nm bandwidth pumped by two broadband pulses delivered from a liquid nitrogen cooled Yb: YLF chirped-pulse amplification laser.
A diode-pumped Yb:YAG regenerative amplifier utilizing gain-narrowing has been developed. A chirped-seed pulse was amplified and compressed in the regenerative amplifier, simultaneously, which generated the picosecond pulses with ~8-mJ of energy without a pulse compressor.
A compact multi-loop stretcher system with a pulse confining structure was demonstrated. This system generated chirped pulse with 32 ps/nm chirp rate. The energy loss in the stretcher was compensated by the OPCPA.
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