Cooper-pair-based photon entanglement without isolated emitters
We show that the recombination of Cooper pairs in semiconductors can be used as a natural source of polarization-entangled photons,
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Physical Review
Optical evidence of surface state suppression in Bi-based topological insulators
A key challenge in condensed matter research is the optimization of topological insulator (TI) compounds for the study and future
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Ferromagnetism and infrared electrodynamics of Ga1-xMnxAs
We report on the magnetic and the electronic properties of the prototype dilute magnetic semiconductor Ga1-xMnxAs using infrared (IR) spectroscopy.
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Hybrid High-Temperature-Superconductor–Semiconductor Tunnel Diode
We report the demonstration of hybrid high-Tc-superconductor–semiconductor tunnel junctions, enabling new interdisciplinary directions in condensed matter research. The devices are fabricated
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Raman study of the phonon symmetries in BiFeO3 single crystals
In bismuth ferrite (BiFeO3), antiferromagnetic and ferroelectric order coexist at room temperature, making it of particular interest for studying magnetoelectric
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