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Lasing in Bose-Fermi mixtures

Lasing in Bose-Fermi mixtures
Lasing in Bose-Fermi mixtures
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.
2045-2322
Kochereshko, Vladimir P.
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Durnev, Mikhail V.
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Besombes, Lucien
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Mariette, Henri
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Sapega, Victor F.
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Askitopoulos, Alexis
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Savenko, Ivan G.
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Liew, Timothy C. H.
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Shelykh, Ivan A.
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Platonov, Alexey V.
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Tsintzos, Simeon I.
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Hatzopoulos, Z.
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Savvidis, Pavlos G.
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Kalevich, Vladimir K.
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Afanasiev, Mikhail M.
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Lukoshkin, Vladimir A.
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Schneider, Christian
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Amthor, Matthias
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Metzger, Christian
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Kamp, Martin
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Hoefling, Sven
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Lagoudakis, Pavlos
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Kavokin, Alexey
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Kochereshko, Vladimir P.
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Durnev, Mikhail V.
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Besombes, Lucien
91f9fe0a-7f5a-4754-8a85-9d91d274d139
Mariette, Henri
5f501b21-3bc4-44ee-a30d-6f0ca3f6f54d
Sapega, Victor F.
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Askitopoulos, Alexis
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Savenko, Ivan G.
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Liew, Timothy C. H.
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Shelykh, Ivan A.
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Platonov, Alexey V.
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Tsintzos, Simeon I.
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Hatzopoulos, Z.
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Savvidis, Pavlos G.
3deb4ee0-f613-4f66-bedd-a6ef02a31506
Kalevich, Vladimir K.
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Afanasiev, Mikhail M.
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Lukoshkin, Vladimir A.
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Schneider, Christian
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Amthor, Matthias
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Metzger, Christian
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Kamp, Martin
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Hoefling, Sven
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Lagoudakis, Pavlos
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Kavokin, Alexey
70ffda66-cfab-4365-b2db-c15e4fa1116b

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 and Kavokin, Alexey (2016) Lasing in Bose-Fermi mixtures. Scientific Reports, 6, [20091]. (doi:10.1038/srep20091).

Record type: Article

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.

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Accepted/In Press date: 17 December 2015
e-pub ahead of print date: 29 January 2016
Published date: January 2016

Identifiers

Local EPrints ID: 420660
URI: http://eprints.soton.ac.uk/id/eprint/420660
ISSN: 2045-2322
PURE UUID: cad7e6f9-cea0-4982-878c-f0bc28da6df8

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Date deposited: 11 May 2018 16:30
Last modified: 20 Jan 2020 17:31

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Contributors

Author: Vladimir P. Kochereshko
Author: Mikhail V. Durnev
Author: Lucien Besombes
Author: Henri Mariette
Author: Victor F. Sapega
Author: Alexis Askitopoulos
Author: Ivan G. Savenko
Author: Timothy C. H. Liew
Author: Ivan A. Shelykh
Author: Alexey V. Platonov
Author: Simeon I. Tsintzos
Author: Z. Hatzopoulos
Author: Pavlos G. Savvidis
Author: Vladimir K. Kalevich
Author: Mikhail M. Afanasiev
Author: Vladimir A. Lukoshkin
Author: Christian Schneider
Author: Matthias Amthor
Author: Christian Metzger
Author: Martin Kamp
Author: Sven Hoefling
Author: Alexey Kavokin

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