Abstract
We have studied a strongly coupled quantum dot-micropillar cavity system subject to an external magnetic field. The large diamagnetic response of elongated In0.3Ga0.7As quantum dots is exploited to demonstrate magneto-optical resonance tuning in the strong coupling regime. Furthermore, the magnetic field provides an additional degree of freedom to in situ manipulate the coupling constant. A transition from strong coupling towards the critical coupling regime is attributed to a reduction of the quantum dot oscillator strength when the magnetic confinement becomes significant with regards to the exciton confinement above 3 T.
Original language | English |
---|---|
Article number | 127401 |
Number of pages | 4 |
Journal | Physical Review Letters |
Volume | 103 |
Issue number | 12 |
DOIs | |
Publication status | Published - 18 Sept 2009 |
Keywords
- NANOSTRUCTURES
- MICROCAVITY