A long-lived and solid-state quantum memory for photons (Conference Presentation)

2016 ◽  
Author(s):  
Mikael Afzelius
Keyword(s):  
Solid State ◽  
Quantum Memory

scholarly journals A single-photon switch and transistor enabled by a solid-state quantum memory

Science ◽  
2018 ◽  
Vol 361 (6397) ◽  
pp. 57-60 ◽  
Author(s):  
Shuo Sun ◽  
Hyochul Kim ◽  
Zhouchen Luo ◽  
Glenn S. Solomon ◽  
Edo Waks
Keyword(s):  
Solid State ◽  
Quantum Information Processing ◽  
Single Photon ◽  
Internal State ◽  
Optical Signal ◽  
Quantum Memory ◽  
Strong Interactions ◽  
Strongly Coupled ◽  
Spin Qubit ◽  
Photon Interactions

Single-photon switches and transistors generate strong photon-photon interactions that are essential for quantum circuits and networks. However, the deterministic control of an optical signal with a single photon requires strong interactions with a quantum memory, which has been challenging to achieve in a solid-state platform. We demonstrate a single-photon switch and transistor enabled by a solid-state quantum memory. Our device consists of a semiconductor spin qubit strongly coupled to a nanophotonic cavity. The spin qubit enables a single 63-picosecond gate photon to switch a signal field containing up to an average of 27.7 photons before the internal state of the device resets. Our results show that semiconductor nanophotonic devices can produce strong and controlled photon-photon interactions that could enable high-bandwidth photonic quantum information processing.

Towards long distance entanglement between a photon and a solid-state multimode quantum memory (Conference Presentation)

2020 ◽  
Author(s):  
Jelena Rakonjac ◽  
Dario Lago-Rivera ◽  
Samuele Grandi ◽  
Alessandro Seri ◽  
Hugues de Riedmatten
Keyword(s):  
Solid State ◽  
Quantum Memory ◽  
Long Distance

scholarly journals Time Entanglement between a Photon and a Spin Wave in a Multimode Solid-State Quantum Memory

2019 ◽  
Vol 123 (3) ◽  
Author(s):  
Kutlu Kutluer ◽  
Emanuele Distante ◽  
Bernardo Casabone ◽  
Stefano Duranti ◽  
Margherita Mazzera ◽  
...  
Keyword(s):  
Solid State ◽  
Spin Wave ◽  
Quantum Memory

A long-lived solid-state quantum memory

2013 ◽  
Author(s):  
Nuala Timoney ◽  
Imam Usmani ◽  
Pierre Jobez ◽  
Mikael Afzelius ◽  
Nicolas Gisin
Keyword(s):  
Solid State ◽  
Quantum Memory

scholarly journals Quantum Correlations between Single Telecom Photons and a Multimode On-Demand Solid-State Quantum Memory

2017 ◽  
Vol 7 (2) ◽  
Author(s):  
Alessandro Seri ◽  
Andreas Lenhard ◽  
Daniel Rieländer ◽  
Mustafa Gündoğan ◽  
Patrick M. Ledingham ◽  
...  
Keyword(s):  
Solid State ◽  
Quantum Correlations ◽  
Quantum Memory ◽  
On Demand

scholarly journals Long-lived driven solid-state quantum memory

2012 ◽  
Vol 14 (9) ◽  
pp. 093030 ◽  
Author(s):  
Jianming Cai ◽  
Fedor Jelezko ◽  
Nadav Katz ◽  
Alex Retzker ◽  
Martin B Plenio
Keyword(s):  
Solid State ◽  
Quantum Memory
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