Amplification by stimulated emission of nitrogen-vacancy centres in a diamond-loaded fibre cavity-Reference-Cited by-同舟云学术

Amplification by stimulated emission of nitrogen-vacancy centres in a diamond-loaded fibre cavity

Published:2020-09-28 Issue:15 Volume:9 Page:4505-4518
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Raman Nair Sarath¹^ORCID,Rogers Lachlan J.¹^ORCID,Vidal Xavier¹²^ORCID,Roberts Reece P.¹,Abe Hiroshi³,Ohshima Takeshi³^ORCID,Yatsui Takashi⁴,Greentree Andrew D.⁵^ORCID,Jeske Jan²⁶^ORCID,Volz Thomas¹^ORCID

Affiliation:

1. ARC Centre of Excellence for Engineered Quantum Systems (EQUS) and Department of Physics and Astronomy , Macquarie University , NSW 2109 , Australia

2. Fraunhofer Institut für Angewandte Festkörperphysik (IAF) , Tullastrasse 72 , 79108 Freiburg , Germany

3. National Institutes for Quantum and Radiological Science and Technology , Takasaki , Gunma, 370-1292 , Japan

4. School of Engineering, University of Tokyo , Tokyo 113-8656 , Japan

5. ARC Centre of Excellence for Nanoscale BioPhotonics , School of Science, RMIT University , Melbourne , VIC 3001 , Australia

6. Chemical and Quantum Physics , School of Sciences, RMIT University , Melbourne 3001 , Australia

Abstract

Abstract Laser threshold magnetometry using the negatively charged nitrogen-vacancy (NV−) centre in diamond as a gain medium has been proposed as a technique to dramatically enhance the sensitivity of room-temperature magnetometry. We experimentally explore a diamond-loaded open tunable fibre-cavity system as a potential contender for the realisation of lasing with NV− centres. We observe amplification of the transmission of a cavity-resonant seed laser at 721 nm when the cavity is pumped at 532 nm and attribute this to stimulated emission. Changes in the intensity of spontaneously emitted photons accompany the amplification, and a qualitative model including stimulated emission and ionisation dynamics of the NV− centre captures the dynamics in the experiment very well. These results highlight important considerations in the realisation of an NV− laser in diamond.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering,Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials,Biotechnology

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2020-0305/pdf

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