Quantum manipulation in a Josephson LED
Fabian Hassler, Yuli V. Nazarov, and Leo P. Kouwenhoven
TL;DR
This paper explores the Josephson LED's potential for quantum manipulation, demonstrating its ability to generate entangled photons, operate as a two-qubit gate, and entangle spins with photon polarization.
Contribution
It introduces the Josephson LED as a versatile platform for quantum information processing, including entanglement generation and quantum gate operations.
Findings
Produces entangled photon pairs on demand
Operates as a two-qubit gate
Entangles particle spin with photon polarization
Abstract
We access the suitability of the recently proposed Josephson LED for quantum manipulation purposes. We show that the device can both be used for on-demand production of entangled photon pairs and operated as a two-qubit gate. Besides, one can entangle particle spin with photon polarization and/or measure the spin by measuring the polarization.
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