Dynamical sensitivity control of a single-spin quantum sensor
The Nitrogen-Vacancy (NV) defect in diamond is a unique quantum system that offers precision sensing of nanoscale physical quantities beyond the current state-of-the-art. Here we present a method to controllably encode the interactions in the population of the spin states, thereby introducing a way...
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| creator | Lazariev, Andrii Arroyo-Camejo, Silvia Rahane, Ganesh Kavatamane, Vinaya Kumar Balasubramanian, Gopalakrishnan |
| description | The Nitrogen-Vacancy (NV) defect in diamond is a unique quantum system that
offers precision sensing of nanoscale physical quantities beyond the current
state-of-the-art. Here we present a method to controllably encode the
interactions in the population of the spin states, thereby introducing a way to
control the sensitivity of a single spin as a continuum in contrast to
free-evolution based methods. By adopting this feature we demonstrate
high-accuracy NV magnetometry without 2pi ambiguities, enhance the dynamic
range by a factor of 4*10^3 achieve interaction times exceeding 2 ms in
off-the-shelf diamond. We perform nuclear spin-noise spectroscopy in the
frequency domain by dynamically controlling the NV spin's sensitivity piecewise
and in a smooth manner thereby precluding harmonic artefacts and undesired
interactions. On a broader perspective dynamical sensitivity control provides
an elegant handle on the inherent dynamics of quantum systems, while offering
decisive advantages for NV centre applications notably in quantum controls and
single molecule NMR/MRI. |
| doi_str_mv | 10.48550/arxiv.1512.09256 |
| format | Article |
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offers precision sensing of nanoscale physical quantities beyond the current
state-of-the-art. Here we present a method to controllably encode the
interactions in the population of the spin states, thereby introducing a way to
control the sensitivity of a single spin as a continuum in contrast to
free-evolution based methods. By adopting this feature we demonstrate
high-accuracy NV magnetometry without 2pi ambiguities, enhance the dynamic
range by a factor of 4*10^3 achieve interaction times exceeding 2 ms in
off-the-shelf diamond. We perform nuclear spin-noise spectroscopy in the
frequency domain by dynamically controlling the NV spin's sensitivity piecewise
and in a smooth manner thereby precluding harmonic artefacts and undesired
interactions. On a broader perspective dynamical sensitivity control provides
an elegant handle on the inherent dynamics of quantum systems, while offering
decisive advantages for NV centre applications notably in quantum controls and
single molecule NMR/MRI.</description><identifier>DOI: 10.48550/arxiv.1512.09256</identifier><language>eng</language><subject>Physics - Quantum Physics</subject><creationdate>2015-12</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,885</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/1512.09256$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.1512.09256$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Lazariev, Andrii</creatorcontrib><creatorcontrib>Arroyo-Camejo, Silvia</creatorcontrib><creatorcontrib>Rahane, Ganesh</creatorcontrib><creatorcontrib>Kavatamane, Vinaya Kumar</creatorcontrib><creatorcontrib>Balasubramanian, Gopalakrishnan</creatorcontrib><title>Dynamical sensitivity control of a single-spin quantum sensor</title><description>The Nitrogen-Vacancy (NV) defect in diamond is a unique quantum system that
offers precision sensing of nanoscale physical quantities beyond the current
state-of-the-art. Here we present a method to controllably encode the
interactions in the population of the spin states, thereby introducing a way to
control the sensitivity of a single spin as a continuum in contrast to
free-evolution based methods. By adopting this feature we demonstrate
high-accuracy NV magnetometry without 2pi ambiguities, enhance the dynamic
range by a factor of 4*10^3 achieve interaction times exceeding 2 ms in
off-the-shelf diamond. We perform nuclear spin-noise spectroscopy in the
frequency domain by dynamically controlling the NV spin's sensitivity piecewise
and in a smooth manner thereby precluding harmonic artefacts and undesired
interactions. On a broader perspective dynamical sensitivity control provides
an elegant handle on the inherent dynamics of quantum systems, while offering
decisive advantages for NV centre applications notably in quantum controls and
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offers precision sensing of nanoscale physical quantities beyond the current
state-of-the-art. Here we present a method to controllably encode the
interactions in the population of the spin states, thereby introducing a way to
control the sensitivity of a single spin as a continuum in contrast to
free-evolution based methods. By adopting this feature we demonstrate
high-accuracy NV magnetometry without 2pi ambiguities, enhance the dynamic
range by a factor of 4*10^3 achieve interaction times exceeding 2 ms in
off-the-shelf diamond. We perform nuclear spin-noise spectroscopy in the
frequency domain by dynamically controlling the NV spin's sensitivity piecewise
and in a smooth manner thereby precluding harmonic artefacts and undesired
interactions. On a broader perspective dynamical sensitivity control provides
an elegant handle on the inherent dynamics of quantum systems, while offering
decisive advantages for NV centre applications notably in quantum controls and
single molecule NMR/MRI.</abstract><doi>10.48550/arxiv.1512.09256</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Quantum Physics |
| title | Dynamical sensitivity control of a single-spin quantum sensor |
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