Pfeiffer, L. N. and Dignam, M. M. and Pinczuk, A. and West, K. W. and Wegscheider, Werner and McCall, S. L. and Hull, R. (1993) Lasing from excitons in quantum wires. Physical Review Letters (PRL) 71 (24), 4071-4074.
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Stimulated optical emission from the lowest exciton state in atomically smooth semiconductor quantum wires is observed for the first time. The wires are formed by the ssT intersection of two 7 nm GaAs quantum wells. The optical emission wavelength is nearly independent of pump levels. This absence of band-gap renormalization in the laser emission indicates a marked increase in the stability of ...
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|Institutions:||Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider|
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||26 Oct 2009 14:33|
|Last Modified:||13 Mar 2014 11:19|