Quantum-entangled photon-pair light source using chip-scale atomic vapor cell and implementation method thereof
AssigneeSDT Inc.
InventorsHan-Seb Moon, Hee Woo Kim
Life of this patent
Estimating the term…
Abstract
Disclosed are a quantum-entangled photon-pair light source using a chip-scale atomic ensemble and implementation method thereof. The quantum-entangled photon-pair light source may include an atomic vapor cell configured to generate cesium (Cs) vapor to fill a photon-pair chamber and a processor configured to cause a coupling laser and a pump laser to travel based on the photon-pair chamber and generate a photon pair of a signal and an idler from the atomic vapor cell.
Claims15
A quantum-entangled photon-pair light source using a chip-scale atomic ensemble, the quantum-entangled photon-pair light source comprising:
- an atomic vapor cell configured to generate cesium (Cs) vapor to fill a photon-pair chamber;
- a processor configured to cause a coupling laser and a pump laser to travel based on the photon-pair chamber and generate a photon pair of a signal and an idler from the atomic vapor cell;
- and
- an optical fiber array of multiple channels, which guides a traveling path of the coupling laser and a traveling path of the pump laser towards the photon-pair chamber,
- wherein the processor is configured to emit the generated photon pair outwards along the optical fiber array of remaining channels of the multiple channels, except for a channel which the coupling laser and the pump laser enter.
A method of implementing a quantum-entangled photon-pair light source using a chip-scale atomic ensemble, the method comprising:
- generating, by an atomic vapor cell, cesium (Cs) vapor to fill a photon-pair chamber;
- generating, by a processor, a photon pair of a signal and an idler from the atomic vapor cell by causing a coupling laser and a pump laser to travel based on the photon-pair chamber;
- guiding, by an optical fiber array of multiple channels, a traveling path of the coupling laser and a traveling path of the pump laser towards the photon-pair chamber;
- and
- emitting, by the processor, the generated photon pair outwards along the optical fiber array of remaining channels of the multiple channels, except for a channel which the coupling laser and the pump laser enter.
Dependencies are inferred from the claim text.