Comparison of EIT schemes in semiconductor quantum dot structures: Impact of many-body interactions

Details Comparison of EIT schemes in semiconductor quantum dot structures: Impact of many-body interactions Comparison of EIT schemes in semiconductor quantum dot structures: Impact of many-body interactions

2009-04-29

arxiv.org/abs/0904.4593v1

Phys. Rev. B 79, 115420 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevB.79.115420

We investigate the impact of many-body interactions on group-velocity slowdown achieved via electromagnetically induced transparency in quantum dots using three different coupling-probe schemes (ladder, V, and Lambda, respectively). We find that for all schemes many-body interactions have an important impact on the slow light properties. In the case of the Lambda and V schemes, the minimum required coupling power to achieve slow light is significantly reduced by many-body interactions. V type schemes are found to be generally preferable due to a favorable redistribution of carriers in energy space.

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