Pauli blocking of stimulated emission in a degenerate Fermi gas

Raphael Jannin; Yuri van der Werf; Kees Steinebach; Hendrick L. Bethlem; Kjeld S.E. Eikema

doi:10.1038/s41467-022-34135-6

Pauli blocking of stimulated emission in a degenerate Fermi gas

Raphael Jannin^*
, Yuri van der Werf
, Kees Steinebach
, Hendrick L. Bethlem
, Kjeld S.E. Eikema

^*Corresponding author for this work

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

The Pauli exclusion principle in quantum mechanics has a profound influence on the structure of matter and on interactions between fermions. Almost 30 years ago it was predicted that the Pauli exclusion principle could lead to a suppression of spontaneous emission, and only recently several experiments confirmed this phenomenon. Here we report that this so-called Pauli blockade not only affects incoherent processes but also, more generally, coherently driven systems. It manifests itself as an intriguing sub-Doppler narrowing of a doubly-forbidden transition profile in an optically trapped Fermi gas of ³He. By actively pumping atoms out of the excited state, we break the coherence of the excitation and lift the narrowing effect, confirming the influence of Pauli blockade on the transition profile. This insight into the interplay between quantum statistics and coherent driving is a promising development for future applications involving fermionic systems.

Original language	English
Article number	6479
Pages (from-to)	1-7
Number of pages	7
Journal	Nature Communications
Volume	13
DOIs	https://doi.org/10.1038/s41467-022-34135-6
Publication status	Published - 29 Oct 2022

Bibliographical note

Funding Information:
We would like to thank the late Wim Vassen who initiated this research. We would also like to thank NWO (Netherlands Organization for Scientific Research) for funding through the Program “The mysterious size of the proton” (16MYSTP) and Projectruimte grant 680-91-108. We thank Rob Kortekaas for technical support.

Publisher Copyright:
© 2022, The Author(s).

Funding

We would like to thank the late Wim Vassen who initiated this research. We would also like to thank NWO (Netherlands Organization for Scientific Research) for funding through the Program “The mysterious size of the proton” (16MYSTP) and Projectruimte grant 680-91-108. We thank Rob Kortekaas for technical support.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 10 Reduced Inequalities

Access to Document

10.1038/s41467-022-34135-6

Persistent URL (handle)

Persistent link

Cite this

@article{a9ee2f67026b4eafa5cc7d32425073d3,

title = "Pauli blocking of stimulated emission in a degenerate Fermi gas",

abstract = "The Pauli exclusion principle in quantum mechanics has a profound influence on the structure of matter and on interactions between fermions. Almost 30 years ago it was predicted that the Pauli exclusion principle could lead to a suppression of spontaneous emission, and only recently several experiments confirmed this phenomenon. Here we report that this so-called Pauli blockade not only affects incoherent processes but also, more generally, coherently driven systems. It manifests itself as an intriguing sub-Doppler narrowing of a doubly-forbidden transition profile in an optically trapped Fermi gas of 3He. By actively pumping atoms out of the excited state, we break the coherence of the excitation and lift the narrowing effect, confirming the influence of Pauli blockade on the transition profile. This insight into the interplay between quantum statistics and coherent driving is a promising development for future applications involving fermionic systems.",

author = "Raphael Jannin and \{van der Werf\}, Yuri and Kees Steinebach and Bethlem, \{Hendrick L.\} and Eikema, \{Kjeld S.E.\}",

note = "Funding Information: We would like to thank the late Wim Vassen who initiated this research. We would also like to thank NWO (Netherlands Organization for Scientific Research) for funding through the Program “The mysterious size of the proton” (16MYSTP) and Projectruimte grant 680-91-108. We thank Rob Kortekaas for technical support. Publisher Copyright: {\textcopyright} 2022, The Author(s).",

year = "2022",

month = oct,

day = "29",

doi = "10.1038/s41467-022-34135-6",

language = "English",

volume = "13",

pages = "1--7",

journal = "Nature Communications",

issn = "2041-1723",

publisher = "Nature Research",

}

TY - JOUR

T1 - Pauli blocking of stimulated emission in a degenerate Fermi gas

AU - Jannin, Raphael

AU - van der Werf, Yuri

AU - Steinebach, Kees

AU - Bethlem, Hendrick L.

AU - Eikema, Kjeld S.E.

N1 - Funding Information: We would like to thank the late Wim Vassen who initiated this research. We would also like to thank NWO (Netherlands Organization for Scientific Research) for funding through the Program “The mysterious size of the proton” (16MYSTP) and Projectruimte grant 680-91-108. We thank Rob Kortekaas for technical support. Publisher Copyright: © 2022, The Author(s).

PY - 2022/10/29

Y1 - 2022/10/29

N2 - The Pauli exclusion principle in quantum mechanics has a profound influence on the structure of matter and on interactions between fermions. Almost 30 years ago it was predicted that the Pauli exclusion principle could lead to a suppression of spontaneous emission, and only recently several experiments confirmed this phenomenon. Here we report that this so-called Pauli blockade not only affects incoherent processes but also, more generally, coherently driven systems. It manifests itself as an intriguing sub-Doppler narrowing of a doubly-forbidden transition profile in an optically trapped Fermi gas of 3He. By actively pumping atoms out of the excited state, we break the coherence of the excitation and lift the narrowing effect, confirming the influence of Pauli blockade on the transition profile. This insight into the interplay between quantum statistics and coherent driving is a promising development for future applications involving fermionic systems.

AB - The Pauli exclusion principle in quantum mechanics has a profound influence on the structure of matter and on interactions between fermions. Almost 30 years ago it was predicted that the Pauli exclusion principle could lead to a suppression of spontaneous emission, and only recently several experiments confirmed this phenomenon. Here we report that this so-called Pauli blockade not only affects incoherent processes but also, more generally, coherently driven systems. It manifests itself as an intriguing sub-Doppler narrowing of a doubly-forbidden transition profile in an optically trapped Fermi gas of 3He. By actively pumping atoms out of the excited state, we break the coherence of the excitation and lift the narrowing effect, confirming the influence of Pauli blockade on the transition profile. This insight into the interplay between quantum statistics and coherent driving is a promising development for future applications involving fermionic systems.

UR - https://www.scopus.com/pages/publications/85140880703

UR - https://www.scopus.com/pages/publications/85140880703#tab=citedBy

U2 - 10.1038/s41467-022-34135-6

DO - 10.1038/s41467-022-34135-6

M3 - Article

C2 - 36309519

AN - SCOPUS:85140880703

SN - 2041-1723

VL - 13

SP - 1

EP - 7

JO - Nature Communications

JF - Nature Communications

M1 - 6479

ER -

Pauli blocking of stimulated emission in a degenerate Fermi gas

Abstract

Bibliographical note

Funding

UN SDGs

Access to Document

Persistent URL (handle)

Other files and links

Fingerprint

Cite this