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Lasing in Bose-Fermi mixtures

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Hoefling_2016_SR_Bose_Fermi.pdf (855.6Kb)
Date
29/01/2016
Author
Kochereshko, Vladimir P.
Durnev, Mikhail V.
Besombes, Lucien
Mariette, Henri
Sapega, Victor F.
Askitopoulos, Alexis
Savenko, Ivan G.
Liew, Timothy C. H.
Shelykh, Ivan A.
Platonov, Alexey V.
Tsintzos, Simeon I.
Hatzopoulos, Z.
Savvidis, Pavlos G.
Kalevich, Vladimir K.
Afanasiev, Mikhail M.
Lukoshkin, Vladimir A.
Schneider, Christian
Amthor, Matthias
Metzger, Christian
Kamp, Martin
Hoefling, Sven
Lagoudakis, Pavlos
Kavokin, Alexey
Keywords
QB Astronomy
QC Physics
NDAS
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Abstract
Light amplification by stimulated emission of radiation, well-known for revolutionising photonic science, has been realised primarily in fermionic systems including widely applied diode lasers. The prerequisite for fermionic lasing is the inversion of electronic population, which governs the lasing threshold. More recently, bosonic lasers have also been developed based on Bose-Einstein condensates of exciton-polaritons in semiconductor microcavities. These electrically neutral bosons coexist with charged electrons and holes. In the presence of magnetic fields, the charged particles are bound to their cyclotron orbits, while the neutral exciton-polaritons move freely. We demonstrate how magnetic fields affect dramatically the phase diagram of mixed Bose-Fermi systems, switching between fermionic lasing, incoherent emission and bosonic lasing regimes in planar and pillar microcavities with optical and electrical pumping. We collected and analyzed the data taken on pillar and planar microcavity structures at continuous wave and pulsed optical excitation as well as injecting electrons and holes electronically. Our results evidence the transition from a Bose gas to a Fermi liquid mediated by magnetic fields and light-matter coupling.
Citation
Kochereshko , V P , Durnev , M V , Besombes , L , Mariette , H , Sapega , V F , Askitopoulos , A , Savenko , I G , Liew , T C H , Shelykh , I A , Platonov , A V , Tsintzos , S I , Hatzopoulos , Z , Savvidis , P G , Kalevich , V K , Afanasiev , M M , Lukoshkin , V A , Schneider , C , Amthor , M , Metzger , C , Kamp , M , Hoefling , S , Lagoudakis , P & Kavokin , A 2016 , ' Lasing in Bose-Fermi mixtures ' , Scientific Reports , vol. 6 , 20091 , pp. 1-7 . https://doi.org/10.1038/srep20091
Publication
Scientific Reports
Status
Peer reviewed
DOI
https://doi.org/10.1038/srep20091
ISSN
2045-2322
Type
Journal article
Rights
This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Description
A.K. acknowledges the support from the EPSRC Established Career Fellowship. V.K., M.D., V.F.S. and A.K. acknowledge support from the Russian Ministry of Science and Education, contract (contract No. 11.G34.31.0067). P.G.S. acknowledges support from Greek GSRT program Aristeia (grant No. 1978). C.S., M. A. J.F., M.K and S.H. acknowledge support from the state of Bavaria.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/8159

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