Evidence of nonadiabatic exciton-phonon interaction probed by second-order LO-phonon replicas of single quantum dots
2013 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 87, no 8Article in journal (Refereed) Published
In this experimental study of single InGaAs/GaAs quantum dots (QDs) the photoluminescence intensity of the second order LO-phonon replica of the excitonic interband recombination was measured along with the intensities of the first and zeroth orders. The results show that the intensity of the second-order replica is three to four times stronger than expected from the adiabatic Huang-Rhys theory, indicating that the neglected nonadiabaticity plays an important role for the understanding of the exciton-phonon coupling in QDs.
Place, publisher, year, edition, pages
American Physical Society , 2013. Vol. 87, no 8
Engineering and Technology
IdentifiersURN: urn:nbn:se:liu:diva-90677DOI: 10.1103/PhysRevB.87.085317ISI: 000315375700011OAI: oai:DiVA.org:liu-90677DiVA: diva2:614186
Funding Agencies|Science Foundation Ireland|05/IN.1/I2510/IN.1/I3000|Swedish Research Council (VR)||K. A. Wallenberg Foundation||Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU)|2009-00971|2013-04-052013-04-032015-01-23Bibliographically approved