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Harmonic Enhancement by Combining XUV Pulse with Infrared Lasers

Abstract第4页
1 Introduction to High-order Harmonic Generation第8-23页
    1.1 Fundamentals of High-Order Harmonic Generation第8-13页
        1.1.1 Brief History of Lasers第8页
        1.1.2 Background to High-Order Harmonic Generation第8-10页
        1.1.3 Generation of APT and SAP第10-11页
        1.1.4 High-Harmonic Spectroscopy第11-13页
    1.2 The Three-Step Model第13-17页
        1.2.1 Ionization第14页
        1.2.2 Propagation第14-16页
        1.2.3 Recombination第16-17页
    1.3 Phase Matching of High Harmonics in a Macroscopic Medium第17页
    1.4 Multi-Color Manipulation of HHG第17-21页
        1.4.1 Selection of Single Harmonics Using the Multi-Color Laser第17-19页
        1.4.2 Enhancement of Harmonic Yield Using Two Commensurate Lasers第19-20页
        1.4.3 XUV Light Amplification: XUV+IR第20-21页
    1.5 Scope of This Work第21-23页
2 Theoretical Models第23-36页
    2.1 Introduction第23-24页
    2.2 Time-Dependent Schrodinger Equation (TDSE)第24-25页
        2.2.1 Introduction to the Semi-Classical Theory第24页
        2.2.2 Time-Dependent Schrodinger Equation第24-25页
    2.3 Strong-Field Approximation (SFA)第25-28页
        2.3.1 General Formulation第25-27页
        2.3.2 Derivation of the Lewenstein Model for the HHG第27-28页
    2.4 Quantum Orbits Theory第28-29页
    2.5 Quantitative Rescattering Model第29-31页
        2.5.1 Formulation of the Quantitative Rescattering Model第29-31页
        2.5.2 The Choice of Different Dipole Forms in the SFA第31页
    2.6 Macroscopic Propagation of High-Harmonic Field第31-34页
        2.6.1 Propagation of the Fundamental Laser Field第31-32页
        2.6.2 Propagation of the High-Harmonic Field第32页
        2.6.3 Phase-Matching Conditions第32-34页
    2.7 Other Theoretical Tools第34-36页
        2.7.1 Formulation of the Single-Atom HHG第34-35页
        2.7.2 Wavelet Analysis第35-36页
3 Comparison of One- and Two-Color Laser Fields for High Harmonic Generation第36-52页
    3.1 Introduction第36-37页
    3.2 Harmonic Generation Driven by an 800-nm Laser第37-40页
    3.3 Combination of an 800-nm Laser with Its Second or Third Harmonic Fiel第40-45页
        3.3.1 The Combination of 800+400 nm第41-43页
        3.3.2 The Combination of 800+267 nm第43-45页
    3.4 Combination of an IAP in the XUV with an 800-nm Laser第45-52页
        3.4.1 Enhancement Factor of High Harmonic by Adding XUV pulse第46-49页
        3.4.2 Time Frequency Analysis for XUV-Assisted Harmonic Emission第49-52页
4 Harmonic Enhancement by Using XUV and Two-Color Laser Pulses第52-69页
    4.1 Introduction第52-53页
    4.2 Combination of an IAP in the XUV with the 800-nm and Its Second or ThirdHarmonic Field第53-60页
        4.2.1 Typical HHG Spectra of the XUV Pulse with the 800- and 400-nmLasers第53-54页
        4.2.2 Harmonic Enhancement Factor by Adding the XUV Pulse with the Two-Color (800+267 nm) Laser Fields第54-60页
    4.3 Time Frequency Analysis for XUV-Assisted Harmonic Emission第60-64页
        4.3.1 TFA by Varying the Time Delay between the Two-Color Waveform andXUV Pulse第60-63页
        4.3.2 TFA by Varying the Relative Phase in the Two-Color Field第63-64页
    4.4 Weak XUV with an Optimized Two-Color Waveform第64-66页
    4.5 Macroscopic effect: Intensity averaging第66-67页
    4.6 Retrieval of the Information of Input Attosecond Pulses第67-69页
5 Summary and Outlook第69-72页
Acknowledgements第72-73页
References第73-79页
Publications第79页

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