Title :
Coherent coupling between continuum states and excitons in semiconductors due to excitation-induced-dephasing
Author :
Shacklette ; Cundiff, S.T. ; Stolz, Wolfgang
Author_Institution :
Joint Inst. for Lab. Astrophys., Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
Summary form only given. Our experimental data shows that excitation induced dephasing (EID) is the coupling mechanism between continuum states and the exciton. The fact that both the transient four wave mixing (TFWM) and PND-TFWM experiments have the same dependence on pre-pulse power demonstrates that the coherent emission of the exciton is dominated by EID mediated coupling to the continuum for broadband excitation.
Keywords :
excitons; light coherence; multiwave mixing; semiconductors; EID mediated coupling; PND-TFWM experiments; broadband excitation; coherent coupling; coherent emission; continuum states; coupling mechanism; excitation-induced-dephasing; exciton; excitons; pre-pulse power; semiconductors; transient four wave mixing; Absorption; Delay; Energy measurement; Excitons; Interference; NIST; Optical sensors; Performance evaluation; Probes; Space vector pulse width modulation;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 1999. QELS '99. Technical Digest. Summaries of Papers Presented at the
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-576-X
DOI :
10.1109/QELS.1999.807093
