Nonlocal Cooper pair Splitting in a pSn Junction

Abstract

Perfect Cooper pair splitting is proposed, based on crossed Andreev reflection (CAR) in a p-type semiconductor - superconductor - n-type semiconductor (pSn) junction. The ideal splitting is caused by the energy filtering that is enforced by the bandstructure of the electrodes. The pSn junction is modeled by the Bogoliubov-de Gennes equations and an extension of the Blonder-Tinkham-Klapwijk theory beyond the Andreev approximation. Despite a large momentum mismatch, the CAR current is predicted to be large. The proposed straightforward experimental design and the 100% degree of pureness of the nonlocal current open the way to pSn structures as high quality sources of entanglement.

References in corpus (12)

• Entanglement detection
• Tunable Supercurrent Through Semiconductor Nanowires
• Evidence for crossed Andreev reflection in superconductor-ferromagnet hybrid structures
• Non-Local Correlations in Normal Metal-Superconducting Systems
• Crossed Andreev reflection in a graphene bipolar transistor
• Reversing non-local transport through a superconductor by electromagnetic excitations
• Nonlocal Andreev reflection at high transmissions
• Crossed Andreev reflection in diffusive contacts
• Contact resistance dependence of crossed Andreev reflection
• Energy entanglement in normal metal-superconducting forks
• Superconducting spin filter
• Non-local Andreev reflection under ac bias

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• Microscopic theory of Cooper pair beam splitters based on carbon nanotubes
• Crossed Andreev effects in two-dimensional quantum Hall systems
• Creation of spin-triplet Cooper pairs in the absence of magnetic ordering
• Perfect crossed Andreev reflection in Dirac hybrid junctions in the quantum Hall regime
• Electrical control of crossed Andreev reflection and spin-valley switch in antiferromagnet/superconductor junctions
• Electrically controlled crossed Andreev reflection in two-dimensional antiferromagnets
• Adiabatic pumping in a double-dot Cooper-pair beam splitter
• Nonlocal transistor based on pure crossed Andreev reflection in a EuO-graphene/superconductor hybrid structure
• Spin-filtered and Spatially Distinguishable Crossed Andreev Reflection in a Silicene-Superconductor Junction
• All-electrical generation and control of odd-frequency s-wave Cooper pairs in double quantum dots
• Enhancement of crossed Andreev reflection in normal-superconductor-normal junction of thin topological insulator
• From Cooper pair splitting to the non-local spectroscopy of a Shiba state
• Chiral Majorana fermion modes regulated by a scanning tunneling microscope tip
• Long-range Cooper pair splitter with high entanglement production rate
• Transverse shift in crossed Andreev reflection
• Unitary limit in crossed Andreev transport
• Probing individual split Cooper-pairs using the spin qubit toolkit
• Perfect crossed Andreev reflection in the proximitized graphene/superconductor/proximitized graphene junctions
• Anomalous spatial shifts in interface electronic scattering
• Localized Many-Particle Majorana Modes with Vanishing Time-Reversal Symmetry Breaking in Double Quantum Dots
• Local and Nonlocal Shot Noise in High-$T_C$ Superconducting Nanowires
• Nonlocal Andreev reflection, fractional charge and current-phase relation in topological bilayer exciton condensate junctions
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• Resonant tunneling through double-barrier structures on graphene
• Non-local Andreev reflection through Andreev molecular states in graphene Josephson junctions
• Efficient Cooper Pair Splitting Without Interactions