Laser threshold magnetometry using green light absorption by diamond
nitrogen vacancies in an external cavity laser
- URL: http://arxiv.org/abs/2101.09277v1
- Date: Fri, 22 Jan 2021 18:58:05 GMT
- Title: Laser threshold magnetometry using green light absorption by diamond
nitrogen vacancies in an external cavity laser
- Authors: James L. Webb, Andreas F. L. Poulsen, Robert Staacke, Jan Meijer,
Kirstine Berg-S{\o}rensen, Ulrik Lund Andersen, Alexander Huck
- Abstract summary: Nitrogen vacancy (NV) centers in diamond have attracted considerable recent interest for use in quantum sensing.
We show theoretical sensitivity to magnetic field on the pT/sqrt(Hz) level is possible using a diamond with an optimal density of NV centers.
- Score: 52.77024349608834
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Nitrogen vacancy (NV) centers in diamond have attracted considerable recent
interest for use in quantum sensing, promising increased sensitivity for
applications ranging from geophysics to biomedicine. Conventional sensing
schemes involve monitoring the change in red fluorescence from the NV center
under green laser and microwave illumination. Due to the strong fluorescence
background from emission in the NV triplet state and low relative contrast of
any change in output, sensitivity is severely restricted by a high optical shot
noise level. Here, we propose a means to avoid this issue, by using the change
in green pump absorption through the diamond as part of a semiconductor
external cavity laser run close to lasing threshold. We show theoretical
sensitivity to magnetic field on the pT/sqrt(Hz) level is possible using a
diamond with an optimal density of NV centers. We discuss the physical
requirements and limitations of the method, particularly the role of amplified
spontaneous emission near threshold and explore realistic implementations using
current technology.
Related papers
- Master equation-based model for infrared-based magnetometry with nitrogen-vacancy centers in diamond cavities: a path to sub-picotesla sensitivity at sub-millimeter scales [0.0]
We develop a master-equation treatment of optically detected magnetic resonance, incorporating IR light saturation effects.
We show that our model is compatible with experiments of IR-based NV center magnetometry.
We uncover the potential to achieve sensitivities in the order of sub-pico tesla, even for sub-millimeter scales.
arXiv Detail & Related papers (2024-07-08T03:01:31Z) - Site-Controlled Purcell-Induced Bright Single Photon Emitters in Hexagonal Boron Nitride [62.170141783047974]
Single photon emitters hosted in hexagonal boron nitride (hBN) are essential building blocks for quantum photonic technologies that operate at room temperature.
We experimentally demonstrate large-area arrays of plasmonic nanoresonators for Purcell-induced site-controlled SPEs.
Our results offer arrays of bright, heterogeneously integrated quantum light sources, paving the way for robust and scalable quantum information systems.
arXiv Detail & Related papers (2024-05-03T23:02:30Z) - Optically Detected Magnetic Resonance of Nitrogen-Vacancy Centers in Diamond under Weak Laser Excitation [7.515997923464793]
We study optical detected magnetic resonance of NV-center ensembles under weak 532-nm laser excitation.
Results are important for understanding and designing NV-based quantum sensing in light-sensitive applications.
arXiv Detail & Related papers (2023-08-25T12:47:48Z) - All-Optical Nuclear Quantum Sensing using Nitrogen-Vacancy Centers in
Diamond [52.77024349608834]
Microwave or radio-frequency driving poses a significant limitation for miniaturization, energy-efficiency and non-invasiveness of quantum sensors.
We overcome this limitation by demonstrating a purely optical approach to coherent quantum sensing.
Our results pave the way for highly compact quantum sensors to be employed for magnetometry or gyroscopy applications.
arXiv Detail & Related papers (2022-12-14T08:34:11Z) - Perturbation approach in Heisenberg equations for lasers [77.34726150561087]
It is found that fluctuations of population significantly affect spontaneous and stimulated emissions into the lasing mode.
The method can be applied to various resonant systems in quantum optics.
arXiv Detail & Related papers (2022-01-08T18:24:37Z) - Magnetic-Field-Dependent Stimulated Emission from Nitrogen-Vacancy
Centres in Diamond [0.0]
Negatively charged nitrogen-vacancy centres in diamond are promising quantum magnetic field sensors.
Laser threshold magnetometry has been a theoretical approach for the improvement of NV-centre ensemble sensitivity.
We use a macroscopic high-finesse laser cavity containing a highly NV-doped and low absorbing diamond gain medium that is pumped at 532nm and resonantly seeded at 710nm.
arXiv Detail & Related papers (2021-09-10T18:48:00Z) - Mid-infrared homodyne balanced detector for quantum light
characterization [52.77024349608834]
We present the characterization of a novel balanced homodyne detector operating in the mid-infrared.
We discuss the experimental results with a view to possible applications to quantum technologies, such as free-space quantum communication.
arXiv Detail & Related papers (2021-03-16T11:08:50Z) - Absorptive laser threshold magnetometry: combining visible diamond Raman
lasers and nitrogen-vacancy centres [0.0]
We propose a high-sensitivity magnetometry scheme based on a diamond Raman laser with visible pump absorption.
We show how the varying absorption of the NV centres changes the Raman laser output.
A shift in the diamond Raman laser threshold and output occurs with the external magnetic-field and microwave driving.
arXiv Detail & Related papers (2021-01-20T11:40:20Z) - Absorption-Based Diamond Spin Microscopy on a Plasmonic Quantum
Metasurface [0.0]
Nitrogen vacancy (NV) centers in diamond have emerged as a leading quantum sensor platform.
"Plasmonic quantum sensing metasurface" (PQSM) combines localized surface plasmon polariton resonances with long-range Rayleigh-Wood anomaly modes.
arXiv Detail & Related papers (2020-11-10T04:20:27Z) - Nitrogen-vacancy defect emission spectra in the vicinity of an
adjustable silver mirror [62.997667081978825]
Optical emitters of quantum radiation in the solid state are important building blocks for emerging technologies.
We experimentally study the emission spectrum of an ensemble of nitrogen-vacancy defects implanted around 8nm below the planar diamond surface.
arXiv Detail & Related papers (2020-03-31T10:43:26Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.