Ultrafast THz Ultrafast THz Spectroscopy and Spectroscopy and Nonlinear Optical Nonlinear Optical Properties of Properties of Semiconductor Semiconductor Nanostructures Nanostructures Zhen-Yu ZHAO Zhen-Yu ZHAO 17 July 2008 Laboratoire Pierre Aigrain - Ecole Normale Supérieure, Paris State Laboratory of Precise Spectroscopy - East China Normal University, Shanghai 1
40
Embed
Ultrafast THz Spectroscopy and Nonlinear Optical Properties of Semiconductor Nanostructures
Ultrafast THz Spectroscopy and Nonlinear Optical Properties of Semiconductor Nanostructures. Zhen-Yu ZHAO 17 July 2008 Laboratoire Pierre Aigrain - Ecole Normale Supérieure, Paris State Laboratory of Precise Spectroscopy - East China Normal University, Shanghai. Outline. Section 1: - PowerPoint PPT Presentation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Ultrafast THz Spectroscopy Ultrafast THz Spectroscopy and Nonlinear Optical and Nonlinear Optical Properties of Semiconductor Properties of Semiconductor NanostructuresNanostructuresZhen-Yu ZHAOZhen-Yu ZHAO
17 July 2008
Laboratoire Pierre Aigrain - Ecole Normale Supérieure, Paris State Laboratory of Precise Spectroscopy - East China Normal
University, Shanghai
1
OutlinOutlinee
Section 2: Nonlinear Optical Properties of AgCl Nanocrystals doped Tellurite Nonlinear Optical Properties of AgCl Nanocrystals doped Tellurite
Section 1: Development of THz Time Domain Spectroscopy (THz-TDS)Development of THz Time Domain Spectroscopy (THz-TDS) • Optical RectificationOptical Rectification• Micro-Photoconductive EmitterMicro-Photoconductive Emitter
Application of THz - TDSApplication of THz - TDS• Gain Measurement of Quantum Cascade Laser (QCL)Gain Measurement of Quantum Cascade Laser (QCL)
2
Section 1
Development & Application of Development & Application of THz Time Domain SpectroscopyTHz Time Domain Spectroscopy
Nonlinear optical properties of AgCl NCs doped tellurite glassNonlinear optical properties of AgCl NCs doped tellurite glass
•Samples were Prepared by Melt-Quenching and Thermal Treatment Methods
•Characterization with Microscopic and Spectroscopic Methods
•Nonlinear Optical Properties were Measured by Z-scan, Optical Limiting and DFWM
ConclusioConclusionn
39
Section 2: Nonlinear Optical Properties of AgCl Nanocrystals doped Tellurite GlassesNonlinear Optical Properties of AgCl Nanocrystals doped Tellurite Glasses• Fabrication• Optical limiting performance and Two-photon absorption• Enhancement of χ(3)
Section 1: Development of THz Time Domain Spectroscopy (THz-TDS)Development of THz Time Domain Spectroscopy (THz-TDS) • Competition OR TPA FCA, Azimuthal dependence• Intervally scattering, Space charging screening, Electron mobility Application of THz – TDSApplication of THz – TDS• Gain Measurement of 2.9THz QCL
AcknowledgementAcknowledgement
THz group (LPA-ENS)THz group (LPA-ENS)Advisor:Advisor: Jérôme TignonJérôme TignonStaff members:Staff members: Sophie Hameau, Sukhdeep Dhillon et al. Sophie Hameau, Sukhdeep Dhillon et al. Postdoc:Postdoc: Nathan Jukam; Nathan Jukam; Ph.D student:Ph.D student: Dimitri Oustinov;Dimitri Oustinov;Master student:Master student: Julien Amijo, Geog Dürr; Julien Amijo, Geog Dürr; Techniciens:Techniciens: Pascal Morfin, Phillipe Pace et al.Pascal Morfin, Phillipe Pace et al.Collaborators:Collaborators: Carlo Sirtori et al.Carlo Sirtori et al.
Sun’s Group (East China Normal University)Sun’s Group (East China Normal University)Co-Advisor: Co-Advisor: Zhenrong Sun, Zhenrong Sun, Staff members: Staff members: Tianqing Jia, Xiaohua Yang et al.Tianqing Jia, Xiaohua Yang et al.Collaborators:Collaborators: Jian Lin, et al.Jian Lin, et al.