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Interference Effects in T-MOKE Spectra of Fe Thin Films at the 3p Edges - Theory and Experiment

100%

Legut D., Tesch M., Oppeneer P., Mertins H., Jansing C., Gilbert M., Gaupp A., Bürgler D., Schneider C.

We present combined first-principle calculations and experimental results of the transversal magneto-optical Kerr effect (T-MOKE) of thin Fe films across the 3p edges using linearly polarized synchrotron radiation. We show that the experimental T-MOKE spectra at the 3p edges of Fe exhibit clear signals that are strongly influenced by interference effects. Ab initio calculated T-MOKE asymmetry spectra confirm the importance of interference effects. The comparison of experimental with calculated spectra reveals some differences that we attribute to metal/metal interface roughness that is not taken into account in the calculations.

Semiconductor Cavity Quantum Electrodynamics with Single Quantum Dots

81%

Reitzenstein S., Schneider C., Münch S., Kistner C., Strauss M., Huggenberger A., Franeck P., Weinmann P., Kamp M., Höfling S., Worschech L., Forchel A.

Acta Physica Polonica A

2009

vol. 116

issue 4

445-450

This paper summarizes recent progress achieved in the field of semiconductor cavity quantum electrodynamics with single quantum dots with the focus being on micropillar cavities. Light-matter interaction both in the strong and weak coupling regime is presented. Resonance tuning of the quantum dot by temperature, electric fields and magnetic fields is demonstrated while the strong coupling regime can be reached. Additionally, deterministic device integration of single positioned quantum dots is reported by a combination of site controlled quantum dot growth via directed nucleation and subsequent device alignment to overcome the degree of randomness of the quantum dot position in so far most common quantum dot-cavity systems.

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2 Acta Physica Polonica A

1 2015

1 2009

2 Schneider C.

1 Bürgler D.

1 Forchel A.

1 Franeck P.

1 Gaupp A.

1 Gilbert M.

1 Huggenberger A.

1 Höfling S.

1 Jansing C.

1 Kamp M.

1 Kistner C.

1 Legut D.

1 Mertins H.

1 Münch S.

1 Oppeneer P.

1 Reitzenstein S.

1 Strauss M.

1 Tesch M.

1 Weinmann P.

1 Worschech L.

Search results

Interference Effects in T-MOKE Spectra of Fe Thin Films at the 3p Edges - Theory and Experiment

Semiconductor Cavity Quantum Electrodynamics with Single Quantum Dots