Piezoelectric and microfluidic tuning of an infrared cavity for vibrational polariton studies

Wang, Wei; de la Fuente Diez, Jaime; Delsuc, Nicolas; Peng, Juan; Spezia, Riccardo; Vuilleumier, Rodolphe; Chen, Yong

doi:10.1039/d3lc01101a

Lab Chip

2024

DOI: 10.1039/d3lc01101a

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Piezoelectric and microfluidic tuning of an infrared cavity for vibrational polariton studies

Wei Wang,

Jaime de la Fuente Diez,

Nicolas Delsuc

et al.

Abstract: We developed a microfluidic system for vibrational polariton studies, which consists of two microfluidic chips: one for solution mixing and another for tuning an infrared cavity made of a pair...

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Spectroscopic properties under vibrational strong coupling in disordered matter from path-integral Monte Carlo simulations

de la Fuente Diez,

Spezia,

Vuilleumier

2024

The Journal of Chemical Physics

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Vibrational strong coupling (VSC), the strong coupling between a Fabry–Perrot cavity and molecular vibrations at mid-infrared frequencies, has received important attention in the last years due to its capacity of modifying both vibrational spectra and chemical reactivity. VSC is a collective effect, and in this work, we introduce Path Integral Monte Carlo (PIMC) simulations that not only take into account the quantum character of the molecular vibrations and of the optical resonance of the cavity but also reproduce this collective behavior by considering multiple replicas of the molecular system. Moreover, we show that it is possible to extract from the PIMC simulations the decomposition of the hybrid optical and molecular states in terms of the bare molecular modes. On a model system of an ensemble of disordered Morse oscillators coupled to a single cavity through the Pauli–Fierz Hamiltonian, PIMC can retrieve known features obtained from analytical modes such as the Tavis–Cummings model and obtain a very close agreement with exact diagonalization for a small number of Morse oscillators. We also find that notwithstanding the anhamonic character of the Morse oscillators, the collective mode coupled to the cavity behaves as a harmonic oscillator, following the quantum central limit theorem.

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Spectroscopic properties under vibrational strong coupling in disordered matter from path-integral Monte Carlo simulations

de la Fuente Diez,

Spezia,

Vuilleumier

2024

The Journal of Chemical Physics

View full text Add to dashboard Cite

show abstract

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Piezoelectric and microfluidic tuning of an infrared cavity for vibrational polariton studies

Abstract: We developed a microfluidic system for vibrational polariton studies, which consists of two microfluidic chips: one for solution mixing and another for tuning an infrared cavity made of a pair...

Cited by 1 publication

References 46 publications

Spectroscopic properties under vibrational strong coupling in disordered matter from path-integral Monte Carlo simulations

Spectroscopic properties under vibrational strong coupling in disordered matter from path-integral Monte Carlo simulations

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