Multiple-Photon Resonance Enabled Quantum Interference in Emission Spectroscopy of 2+
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2FCZ______%3A_____%2F24%3AN0000090" target="_blank" >RIV/CZ______:_____/24:N0000090 - isvavai.cz</a>
Result on the web
<a href="https://spj.science.org/doi/10.34133/ultrafastscience.0051" target="_blank" >https://spj.science.org/doi/10.34133/ultrafastscience.0051</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.34133/ultrafastscience.0051" target="_blank" >10.34133/ultrafastscience.0051</a>
Alternative languages
Result language
angličtina
Original language name
Multiple-Photon Resonance Enabled Quantum Interference in Emission Spectroscopy of 2+
Original language description
Quantum interference occurs frequently in the interaction of laser radiation with materials, leading to a series of fascinating effects such as lasing without inversion, electromagnetically induced transparency, Fano resonance, etc. Such quantum interference effects are mostly enabled by single-photon resonance with transitions in the matter, regardless of how many optical frequencies are involved. Here, we report on quantum interference driven by multiple photons in the emission spectroscopy of nitrogen ions that are resonantly pumped by ultrafast infrared laser pulses. In the spectral domain, Fano resonance is observed in the emission spectrum, where a laser-assisted dynamic Stark effect creates the continuum. In the time domain, the fast-evolving emission is measured, revealing the nature of free-induction decay arising from quantum radiation and molecular cooperativity. These findings clarify the mechanism of coherent emission of nitrogen ions pumped with mid-infrared pump laser and are found to be universal. The present work opens a route to explore the important role of quantum interference during the interaction of intense laser pulses with materials near multiple photon resonance.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)
Result continuities
Project
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Continuities
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
ULTRAFAST SCIENCE
ISSN
2097-0331
e-ISSN
2765-8791
Volume of the periodical
4
Issue of the periodical within the volume
1
Country of publishing house
US - UNITED STATES
Number of pages
7
Pages from-to
1-7
UT code for WoS article
001217176200001
EID of the result in the Scopus database
2-s2.0-85186199688