Strong light‐matter coupling between a molecular vibrational mode in a PMMA film and a low‐loss mid‐IR microcavity

Muallem, Merav; Palatnik, Alex; Nessim, Gilbert Daniel; Tischler, Yaakov R.

doi:10.1002/andp.201500282

Cited by 30 publications

(31 citation statements)

References 27 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Solid-state phonon-polaritons have been investigated since the 1960s 130,131 , and some early studies of liquid-phase molecu- lar vibrational-polaritons date back to the 1980s 132 . However, it is only recently that cavity (or surface-plasmon) vibrationalpolaritons have been observed and systematically studied in the polymeric, liquid, and solution-phases 28,29,34,[133][134][135][136][137][138][139][140][141][142][143] . This is important because many important chemical reactions happen in the liquid-phase.…”

Section: Vibrational-polaritonsmentioning

confidence: 99%

Polariton chemistry: controlling molecular dynamics with optical cavities

et al. 2018

View full text Add to dashboard Cite

show abstract

Section: Vibrational-polaritonsmentioning

confidence: 99%

Polariton chemistry: controlling molecular dynamics with optical cavities

et al. 2018

View full text Add to dashboard Cite

show abstract

“…Vibrational polaritonic states were evidenced by Fourier transform infrared spectroscopy (FTIR) and were probed as a function of the IR incidence angle. Several groups determined the dispersion law of stongly coupled stretching vibrations of CO groups in polymers (polyvinyl acetate PVAc or poly methyl methacrylate PMMA) placed inside metallic or dielectric (dielectric Bragg reflector) cavities.…”

Section: Strong Coupling Applicationsmentioning

confidence: 99%

Strong Light–Matter Coupling as a New Tool for Molecular and Material Engineering: Quantum Approach

et al. 2018

View full text Add to dashboard Cite

When atoms come together and bond, these new states are called molecules and their properties determine many aspects of our daily life. Strangely enough, it is conceivable for light and molecules to bond, creating new hybrid light–matter states with far‐reaching consequences for these strongly coupled materials. Even stranger, there is no “real” light needed to obtain the effects; it simply appears from the vacuum, creating “something from nothing.” Surprisingly, the setup required to create these materials has become moderately straightforward. In its simplest form, one only needs to put a strongly absorbing material at the appropriate place between two mirrors, and quantum magic can appear. Only recently has it been discovered that strong coupling can affect a host of significant effects at a material and molecular level, which were thought to be independent of the “light” environment: phase transitions, conductivity, chemical reactions, etc. This review addresses the fundamentals of this opportunity: the quantum mechanical foundations, the relevant plasmonic and photonic structures, and a description of the various applications, connecting material chemistry with quantum information, entanglement, nonlinear optics, and chemical reactivity. Ultimately, revealing the interplay between light and matter in this new regime opens attractive avenues for various new technologies.

show abstract

“…Strong coupling of vibrational modes was first explored using a planar cavity filled with the polymer polymethyl‐methacrylate (PMMA) where the cavity mode was strongly coupled to the CO vibrational resonance in the polymeric material . Several further investigations have since been reported, involving vibrational resonances in liquids, transition metal complexes, and liquid crystals . Strong coupling of vibrational resonances has also been reported to help catalyze and inhibit chemical reactions and to control the nonlinear optical response in the infrared .…”

Section: Introductionmentioning

confidence: 99%

Hybridization of Multiple Vibrational Modes via Strong Coupling Using Confined Light Fields

Menghrajani

Fernández

Nash

et al. 2019

Advanced Optical Materials

View full text Add to dashboard Cite

to hybridize excitonic resonances associated with two different species. [17,18,15] Hybridization of different vibrational overtones of an excitonic resonance of a single molecular species has also been achieved. [19,20] Meanwhile, in the infrared regime, hybridization of vibrational resonances associated with two distinct molecular species has also been reported recently. [21,22] While hybridization of two different vibrational resonances of a single molecular species to a cavity mode were reported by George et al. [23] Here we present results of experiments that show hybridization of three vibrational resonances of a single mode species to first a cavity mode and second a surface plasmon mode, thereby adding a potentially important component in the strong coupling toolbox, one that may further the degree of control possible over molecular vibrational states in any future polaritonic chemistry.Strong coupling of vibrational modes was first explored using a planar cavity filled with the polymer polymethyl-methacrylate (PMMA) where the cavity mode was strongly coupled to the CO vibrational resonance in the polymeric material. [24,25] Several further investigations have since been reported, [26][27][28][29][30][31][32][33] involving vibrational resonances in liquids, [34] transition metal complexes, [33] and liquid crystals. [35] Strong coupling of vibrational resonances has also been reported to help catalyze and inhibit chemical reactions [36] and to control the nonlinear optical response in the infrared. [37] 2D spectroscopy of molecular vibrations in an optical microcavity has also been explored. [38,39] In the present work, we make use of two different types of confined light field. First we use the well-established planar optical microcavity, second we make use of the surface plasmon mode associated with a single metal surface. Surface plasmons on planar metal films have momenta that cannot be accessed easily by incident light; therefore, we employ grating coupling to overcome this problem, an approach previously explored for strong coupling of excitonic resonances. [40,41] In what follows, we briefly describe the sample structure and material properties. The main probe we use to explore the coupling between vibrational resonances and the optical modes of our confined light fields is to determine the dispersion of the polaritons involved. We describe how these data are acquired and present results from both types of cavity. We then discuss the modeling we have undertaken, both numerical and analytical, before summarizing our findings. Results and DiscussionSchematics of the structures we used are shown in Figure 1. The optical microcavity was based on two gold mirrors 12 nm Strong coupling of molecules placed in an optical microcavity may lead to the formation of hybrid states called polaritons, states that inherit characteristics of both the optical cavity modes and the molecular resonance. This is possible for both excitonic and vibrational molecular resonances. Previous work has shown that strong coupling...

show abstract

Strong light‐matter coupling between a molecular vibrational mode in a PMMA film and a low‐loss mid‐IR microcavity

Cited by 30 publications

References 27 publications

Polariton chemistry: controlling molecular dynamics with optical cavities

Polariton chemistry: controlling molecular dynamics with optical cavities

Strong Light–Matter Coupling as a New Tool for Molecular and Material Engineering: Quantum Approach

Hybridization of Multiple Vibrational Modes via Strong Coupling Using Confined Light Fields

Contact Info

Product

Resources

About