Vanadium spin qubits as telecom quantum emitters in silicon carbide
Abstract
Solid-state quantum emitters with spin registers are promising platforms for quantum communication, yet few emit in the narrow telecom band necessary for low-loss fiber networks. Here, we create and isolate near-surface single vanadium dopants in silicon carbide (SiC) with stable and narrow emission in the O band, with brightness allowing cavity-free detection in a wafer-scale material. In vanadium ensembles, we characterize the complex d1 orbital physics in all five available sites in 4H-SiC and 6H-SiC. The optical transitions are sensitive to mass shifts from local silicon and carbon isotopes, enabling optically resolved nuclear spin registers. Optically detected magnetic resonance in the ground and excited orbital states reveals a variety of hyperfine interactions with the vanadium nuclear spin and clock transitions for quantum memories. Last, we demonstrate coherent quantum control of the spin state. These results provide a path for telecom emitters in the solid state for quantum applications.
- Authors:
-
[1];
[2];
[2];
[1];
[1]
- Univ. of Chicago, IL (United States); Argonne National Lab. (ANL), Lemont, IL (United States)
- Univ. of Chicago, IL (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- US Air Force Office of Scientific Research (AFOSR); Defense Advanced Research Projects Agency (DARPA); US Department of the Navy, Office of Naval Research (ONR); USDOD; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; National Science Foundation (NSF)
- OSTI Identifier:
- 1616990
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Science Advances
- Additional Journal Information:
- Journal Volume: 6; Journal Issue: 18; Journal ID: ISSN 2375-2548
- Publisher:
- AAAS
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS
Citation Formats
Wolfowicz, Gary, Anderson, Christopher P., Diler, Berk, Poluektov, Oleg G., Heremans, F. Joseph, and Awschalom, David D. Vanadium spin qubits as telecom quantum emitters in silicon carbide. United States: N. p., 2020.
Web. doi:10.1126/sciadv.aaz1192.
Wolfowicz, Gary, Anderson, Christopher P., Diler, Berk, Poluektov, Oleg G., Heremans, F. Joseph, & Awschalom, David D. Vanadium spin qubits as telecom quantum emitters in silicon carbide. United States. https://doi.org/10.1126/sciadv.aaz1192
Wolfowicz, Gary, Anderson, Christopher P., Diler, Berk, Poluektov, Oleg G., Heremans, F. Joseph, and Awschalom, David D. Fri .
"Vanadium spin qubits as telecom quantum emitters in silicon carbide". United States. https://doi.org/10.1126/sciadv.aaz1192. https://www.osti.gov/servlets/purl/1616990.
@article{osti_1616990,
title = {Vanadium spin qubits as telecom quantum emitters in silicon carbide},
author = {Wolfowicz, Gary and Anderson, Christopher P. and Diler, Berk and Poluektov, Oleg G. and Heremans, F. Joseph and Awschalom, David D.},
abstractNote = {Solid-state quantum emitters with spin registers are promising platforms for quantum communication, yet few emit in the narrow telecom band necessary for low-loss fiber networks. Here, we create and isolate near-surface single vanadium dopants in silicon carbide (SiC) with stable and narrow emission in the O band, with brightness allowing cavity-free detection in a wafer-scale material. In vanadium ensembles, we characterize the complex d1 orbital physics in all five available sites in 4H-SiC and 6H-SiC. The optical transitions are sensitive to mass shifts from local silicon and carbon isotopes, enabling optically resolved nuclear spin registers. Optically detected magnetic resonance in the ground and excited orbital states reveals a variety of hyperfine interactions with the vanadium nuclear spin and clock transitions for quantum memories. Last, we demonstrate coherent quantum control of the spin state. These results provide a path for telecom emitters in the solid state for quantum applications.},
doi = {10.1126/sciadv.aaz1192},
journal = {Science Advances},
number = 18,
volume = 6,
place = {United States},
year = {Fri May 01 00:00:00 EDT 2020},
month = {Fri May 01 00:00:00 EDT 2020}
}
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