1. Ultimately, the holy grail is to develop nanoscale ultrafast optical devices for integrated photonic circuits.

2. Its response dominantly assigned to the ultrafast distortion of the electron cloud.

3. Ultrafast operational speed larger than gigahertz can be expected from this all-optical scheme.

4. Glass passivated junction ultrafast switching rectifier. Peak reverse voltage 800 V. Average forward current 3.0 A.

5. As a Doppler-free attosecond ultrafast coherent modulation process, ASPB can be intrinsically extended to any two dipolar forbidden energy-level systems.

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6. Round the feature of the ultrafast speed, make the detailed description of phase noise, receiver noise figure, launch power, threshold level of system.

7. In this work , the ultrafast dynamics in semiconductor was studied using femtosecond laser technique.

8. Glass passivated junction ultrafast switching rectifier. Peak reverse voltage 100 V. Average forward current 6.0 A.

9. Glass passivated junction ultrafast switching rectifier. Peak reverse voltage 50 V. Average forward current 2.0 A.

10. As an attosecond ultrafast modulation process, SFPB can be extended intrinsically to any sum-frequency of energy-levels.

11. As an attosecond ultrafast modulation process, FASPB can be intrinsically extended to any level-summation systems of two dipolar forbidden excited states.

12. We demonstrate experimentally the coherent control of the two-photon transitions in Coumarin 515 by ultrafast pulse shaping technique.

13. Furthermore, It is the main research in our laboratory that study on the ultrafast phenomena in man-made optical sub-wavelength structure, nano-structure, complex molecule and bio-molecule.

14. The new paradigm is big, heavy, substantial, with lots of computer-actuated muscle and ultrafast.

15. Rayleigh type nondegenerate four wave mixing is proposed for studying ultrafast processes in matter.

16. Influences of input optical pulses including the control pulse and probe pulse on the switching window of ultrafast nonlinear interferometer (UNI) are studied by numerical simulation and experiment.

17. The effects of different irradiation energy density and laser wavelength on the carrier density and the process of temperature ultrafast variation were investigated.

18. The new paradigm is big, heavy, substantial, with lots of computer-actuated muscle and driver assistance, and ultrafast.