Nanoscale magnetic sensing using spin qubits in diamond

J. R. Maze; P. Cappellaro; L. Childress; M. V. G. Dutt; J. S. Hodges; S. Hong; L. Jiang; P. L. Stanwix; J. M. Taylor; E. Togan; A. S. Zibrov; P. Hemmer; A. Yacoby; R. L. Walsworth; M. D. Lukin

doi:10.1117/12.813802

2 February 2009 Nanoscale magnetic sensing using spin qubits in diamond

J. R. Maze, P. Cappellaro, L. Childress, M. V. G. Dutt, J. S. Hodges, S. Hong, L. Jiang, P. L. Stanwix, J. M. Taylor, E. Togan, A. S. Zibrov, P. Hemmer, A. Yacoby, R. L. Walsworth, M. D. Lukin

Author Affiliations +

Proceedings Volume 7225, Advanced Optical Concepts in Quantum Computing, Memory, and Communication II; 722509 (2009) https://doi.org/10.1117/12.813802
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

The ability to sense nanotelsa magnetic fields with nanoscale spatial resolution is an outstanding technical challenge relevant to the physical and biological sciences. For example, detection of such weak localized fields will enable sensing of magnetic resonance signals from individual electron or nuclear spins in complex biological molecules and the readout of classical or quantum bits of information encoded in an electron or nuclear spin memory. Here we present a novel approach to nanoscale magnetic sensing based on coherent control of an individual electronic spin contained in the Nitrogen-Vacancy (NV) center in diamond. At room temperature, using an ultra-pure diamond sample, we achieve shot-noise-limited detection of 3 nanotesla magnetic fields oscillating at kHz frequencies after 100 seconds of signal averaging. Furthermore, we experimentally demonstrate nanoscale resolution using a diamond nanocrystal of 30 nm diameter for which we achieve a sensitivity of 0.5 microtesla / Hz^1/2.

Citation Download Citation

J. R. Maze, P. Cappellaro, L. Childress, M. V. G. Dutt, J. S. Hodges, S. Hong, L. Jiang, P. L. Stanwix, J. M. Taylor, E. Togan, A. S. Zibrov, P. Hemmer, A. Yacoby, R. L. Walsworth, and M. D. Lukin "Nanoscale magnetic sensing using spin qubits in diamond", Proc. SPIE 7225, Advanced Optical Concepts in Quantum Computing, Memory, and Communication II, 722509 (2 February 2009); https://doi.org/10.1117/12.813802

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available