Title :
Chirp controls nonlinear response of excitons in Semiconductor quantum wells
Author :
Smith, Ryan P. ; Hunter, Andrew E. ; Funk, Andrew C. ; Cundiff, Steven ; Kira, Mackillo ; Koch, StephanW
Author_Institution :
Nat. Inst. of Stand. & Technol., Univ. of Colorado, Boulder, CO, USA
Abstract :
We characterize chirped excitation on excitonic resonances in GaAs quantum wells using spectrally resolved transient absorption. Positive chirp enhances nonlinearities, despite the increased pulse duration compared with transform-limited excitation.
Keywords :
III-V semiconductors; chirp modulation; excitons; gallium arsenide; semiconductor quantum wells; GaAs; GaAs quantum wells; chirped excitation; excitonic resonances; nonlinear response; nonlinearities; positive chirp; pulse duration; semiconductor quantum wells; spectrally resolved transient absorption; transform-limited excitation; Absorption; Chirp; Gallium arsenide; Laser excitation; Nonlinear optics; Probes; Resonant frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
