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Zero-Added-Loss Entangled Photon Multiplexing Source

This technology is a scheme for optical entanglement distribution in quantum networks based on a quasi-deterministic entangled photon pair source. By combining heralded photonic Bell pair generation with spectral mode conversion to interface with quantum memories, the scheme eliminates switching losses due to multiplexing. Based on numerical analyses,...

Published: 4/23/2024 | Inventor(s): Saikat Guha, Prajit Dhara, Dirk Englund, Kevin Chen

Keywords(s):

Category(s): Technology Classifications > Engineering & Physical Sciences > Quantum, Technology Classifications > Imaging & Optics > Sensors and Detection

Heralded-Multiplexed High-Efficiency Cascaded Source of Dual-Rail Polarization-Entangled Photon Pairs using Spontaneous Parametric Down Conversion

This technology is a high-efficiency, high-fidelity method of generating pairs of polarization-entangled photonic qubits. The use of a cascaded source that performs a linear-optical entanglement swap between two spontaneous parametric down conversion (SPDC) sources, to generate a heralded photonic entangled state that has a higher fidelity compared...

Published: 4/3/2023 | Inventor(s): Saikat Guha, Prajit Dhara

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics