Fig. 1. Schematic of experimental setup for spectral broadening^[26]

Fig. 2. Frequency spectra of input pulse before and after focalization in air^[26]

Fig. 3. Experimental setup for pulse compression by gas-filled hollow-core fiber^[29]

Fig. 4. Schematic of experimental setup for spectral broadening of multiple-plates^[18]

Fig. 5. Experimental setup for supercontinuum spectrum generation in fused silica plates and pulse compression^[36]

Fig. 6. Sketch of the setup for nonlinear pulse compression^[39]

Fig. 7. Experimental results of compressed pulses^[40]. (a) Temporal pulse shape and phase retrieved from FROG measurement; (b)spectrum and phase retrieved from FROG measurement and spectrum measured by optical spectrum analyzer

Fig. 8. Experimental setup with laser system (shaded region) and selected beam/pulse parameters^[41]

Fig. 9. Experimental setup for pulse compression^[43]. (a) Schematic of the MPC setup; (b) beam pattern on mirror 2

Fig. 10. Experimental setup for pulse compression and experimental results^[45]. (a) Experimental setup for spectral broadening; (b) power spectra measured along the setup as labelled in Fig.10(a); (c) power spectra and phase spectra