Experimental realization of a multiplexed quantum memory with 225 individually accessible memory cells

Abstract

To realize long-distance quantum communication and quantum network, it is required to have multiplexed quantum memory with many memory cells. Each memory cell needs to be individually addressable and independently accessible. Here we report an experiment that realizes a multiplexed DLCZ-type quantum memory with 225 individually accessible memory cells in a macroscopic atomic ensemble. As a key element for quantum repeaters, we demonstrate that entanglement with flying optical qubits can be stored into any neighboring memory cells and read out after a programmable time with high fidelity. Experimental realization of a multiplexed quantum memory with many individually accessible memory cells and programmable control of its addressing and readout makes an important step for its application in quantum information technology.

8 pages, 4 figures

References in corpus (5)

• The Quantum Internet
• Experimental demonstration of quantum memory for light
• Multiplexed Memory-Insensitive Quantum Repeaters
• Imaging high-dimensional spatial entanglement with a camera
• Scalable Generation of Graph-State Entanglement through Realistic Linear Optics

Cited by in corpus (4)

• Wavevector multiplexed quantum memory via spatially-resolved single-photon detection
• Experimental realization of 105-qubit random access quantum memory
• Time Entanglement between a Photon and a Spin Wave in a Multimode Solid-state Quantum Memory
• Spatial spin-wave modulator for quantum memory assisted adaptive measurements