Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/85836
Title: Lasing in Bose-Fermi mixtures
Authors: Kochereshko, Vladimir P.
Durnev, Mikhail V.
Besombes, Lucien
Mariette, Henri
Sapega, Victor F.
Askitopoulos, Alexis
Savenko, Ivan G.
Liew, Timothy Chi Hin
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: Phase transitions and critical phenomena
Bose–Einstein condensates
Issue Date: 2016
Source: Kochereshko, V. P., Durnev, M. V., Besombes, L., Mariette, H., Sapega, V. F., Askitopoulos, A., et al. (2016). Lasing in Bose-Fermi mixtures. Scientific Reports, 6, 20091-.
Series/Report no.: Scientific Reports
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.
URI: https://hdl.handle.net/10356/85836
http://hdl.handle.net/10220/43877
DOI: 10.1038/srep20091
Schools: School of Physical and Mathematical Sciences 
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/
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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