Optimized Planar Microwave Antenna for Nitrogen Vacancy Center Based Sensing Applications

  • Individual nitrogen vacancy (NV) color centers in diamond are versatile, spin-based quantum sensors. Coherently controlling the spin of NV centers using microwaves in a typical frequency range between 2.5 and 3.5 GHz is necessary for sensing applications. In this work, we present a stripline-based, planar, Ω-shaped microwave antenna that enables one to reliably manipulate NV spins. We found an optimal antenna design using finite integral simulations. We fabricated our antennas on low-cost, transparent glass substrate. We created highly uniform microwave fields in areas of roughly 400 × 400 μm2 while realizing high Rabi frequencies of up to 10 MHz in an ensemble of NV centers.

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Author:Oliver Roman Opaluch, Nimba Oshnik, Richard NelzORCiD, Elke NeuORCiD
URN (permanent link):urn:nbn:de:hbz:386-kluedo-66107
Parent Title (English):Nanomaterials
Document Type:Article
Language of publication:English
Publication Date:2021/10/06
Year of Publication:2021
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2021/10/06
Issue:2021, 11(8)
Number of page:13
Faculties / Organisational entities:Fachbereich Physik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 530 Physik
MSC-Classification (mathematics):92-XX BIOLOGY AND OTHER NATURAL SCIENCES / 92Fxx Other natural sciences (should also be assigned at least one other classification number in this section) / 92F05 Other natural sciences (should also be assigned at least one other classification number in section 92)
PACS-Classification (physics):80.00.00 INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY / 85.00.00 Electronic and magnetic devices; microelectronics; Vacuum tubes, see 84.47.+w; Microwave tubes, see 84.40.Fe; Phototubes, see 85.60.Ha; Conductors, resistors, and inductors, see 84.32.Ff, Hh / 85.40.-e Microelectronics: LSI, VLSI, ULSI; integrated circuit fabrication technology (see also 85.45.-w Vacuum microelectronics); Microwave integrated electronics, see 84.40.Lj; Integrated optics, see 42.82.-m; Superconducting logic elements and memory devices; m / 85.40.Hp Lithography, masks and pattern transfer; Micro- and nano-electromechanical systems (MEMS/NEMS) and devices, see 85.85.+j
Licence (German):Zweitveröffentlichung