Entanglement dynamics of photon pairs emitted from quantum dot

Abstract

We present a model to derive the state of the photon pairs generated by the biexciton cascade decay of a self-assembled quantum dot, which agrees well with the experimental result. Furthermore we calculate the concurrence and entanglement sudden death is found in this system with temperature increasing, which prevents quantum dot emits entangled photon pairs at a high temperature. The relationship between the fine structure splitting and the sudden death temperature is provided too.

References in corpus (9)

• Finite-Time Disentanglement via Spontaneous Emission
• Entangled Photon Pairs from Semiconductor Quantum Dots
• Sudden Death of Entanglement: Classical Noise Effects
• Magnetic-field-induced reduction of the exciton polarization splitting in InAs quantum dots
• Inversion of exciton level splitting in quantum dots
• Coherence of an Entangled Exciton-Photon State
• Evolution of entanglement within classical light states
• Quantum-tomography of entangled photon pairs by quantum-dot cascade decay
• Triplet-singlet relaxation in semiconductor single and double quantum dots

Cited by in corpus (3)

• Violation of Leggett-Garg inequalities in single quantum dot
• Generation of entanglement between quantum dot molecule with the presence of phonon effects in a voltage-controlled junction
• Non-classical correlation of cascaded photon pairs emitted from quantum dot