Title :
Carrier transfer between InGaAs/GaAs quantum dots observed by differential transmission spectroscopy
Author :
Verman, K. L Sil ; Mirin, Richard P. ; Cundiff, S.T.
Author_Institution :
Nat. Inst. of Stand. & Technol., Boulder, CO
Abstract :
We employ two-color differential transmission spectroscopy to investigate coupling between InGaAs/GaAs QDs. Resonantly excited carriers escape and are captured by non-resonant dots with a time constant of 32 ps at room temperature
Keywords :
III-V semiconductors; gallium arsenide; high-speed optical techniques; indium compounds; semiconductor quantum dots; time resolved spectra; 20 degC; 32 ps; InGaAs-GaAs; InGaAs/GaAs quantum dots coupling; carrier transfer; resonantly excited carriers; room temperature; two-color differential transmission spectroscopy;
Conference_Titel :
Quantum Electronics Conference, 2004. (IQEC). International
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-778-4
