Hyper-Raman optical activity of biologically relevant chiral molecules

Marble, Christopher B.; Xu, Xingqi; Keppler, Mark A.; Gil, Eddie M.; Petrov, Georgi I.; Wang, Dawei; Yakovlev, Vladislav V.

doi:10.1117/12.2545530

Cited by 4 publications

(4 citation statements)

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“…Hyper-Raman spectroscopy (HRS) has recently gained attention as a promising new method to probe Raman silent vibrational modes. [18][19][20][21][22][23][24][25][26][27][28][29] HRS is a three-photon scattering process where two incident photons (ω p ) are annihilated and a single photon at a frequency 2ω p ± ω v is generated, where ω v is the frequency of the vibrational mode of the molecule. [29][30][31][32][33] HRS has distinct selection rules, but critically, all IR active modes are HRS active and, as such, HRS can provide complementary vibrational information to Raman spectroscopy (RS).…”

Section: Introductionmentioning

confidence: 99%

Hyper-Raman spectroscopy of biomolecules

Marble,

Keene

et al. 2024

Analyst

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Section: Introductionmentioning

confidence: 99%

Hyper-Raman spectroscopy of biomolecules

Marble,

Keene

et al. 2024

Analyst

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“…Several reviews were devoted to HRS [4][5][6][7][8]. In recent years, a number of papers on HRS has been published [9][10][11][12][13][14][15][16][17][18][19][20]. In particular, a study of soft modes by HRS was reported [9,10].…”

Section: Introductionmentioning

confidence: 99%

“…Investigation of the HRS chiral sensitivity predicted earlier [21] with the use of the incident circularly polarized light was reported [16]. In [17] hyper-Rayleigh and hyper-Raman scattering of twisted light by chiral molecules was considered.…”

Section: Introductionmentioning

confidence: 99%

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

Semenova¹

2022

Laser Phys.

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Theoretical treatment of resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors is given. The hyper-Raman process was considered for the scattering geometry y(xxz)x at which it involves the two-photon transitions to the B and C excitons of the s-type. Allowance was made for different sequences of intermediate virtual states. On the example of a CdS crystal the influence of the possible dipole transitions to the deeper valence band on the frequency dependence of the scattering cross section was investigated.

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“…Soon after a group in France managed to observe hyper-Rayleigh optical activity with molecular matter [27]. Observing hyper-Raman optical activity is being actively pursued [28], the attractiveness of this form of nonlinear optical activity is the much larger amount of chiral structural information that can be obtained for to similar reasons as its linear analogue, ROA.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear chiral molecular photonics using twisted light: hyper-Rayleigh and hyper-Raman optical activity

Forbes

2020

J. Opt.

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Chiroptical and optical activity effects involve differential interactions between matter and light. Generally this involves chiral molecules absorbing or scattering right- and left-handed circularly polarized photons at different rates due to the chiroptical interplay of molecular and optical chirality. Laser light which propagates with a helical phase and twisted wavefront possesses optical orbital angular momentum. These optical vortices can twist either clockwise or anticlockwise, and as such they exhibit an optical handedness or chirality completely distinct from that of circular polarization. It has recently been established that the linear optical effects of single-photon absorption and scattering can exhibit optical activity and chiroptical interactions with respect to the optical vortex handedness. Here a fundamental mechanism of optical activity for twisted light is exhibited in nonlinear processes, with specific emphasis on hyper-Rayleigh and hyper-Raman scattering. In comparison to unstructured or plane-wave light, it is shown that using twisted photons produces novel scattering mechanisms dependent on parameters unique to optical vortex beams. Specifically, the scattered intensity for both hyper-Rayleigh and hyper-Raman optical activity is dependent on the sign and magnitude of the OAM of the incident twisted photons, as well as the transverse position of the chiral scatterer. Moreover, symmetry analysis reveals that, unlike the recently discovered linear optical activity effects with optical vortices, nonlinear scattering of twisted light by chiral molecules leads to a modification of scattering through uniquely weighted individual hyperpolarizability contributions.

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Hyper-Raman optical activity of biologically relevant chiral molecules

Cited by 4 publications

References 0 publications

Hyper-Raman spectroscopy of biomolecules

Hyper-Raman spectroscopy of biomolecules

Resonant hyper-Raman scattering of light by LO phonons in wurtzite semiconductors

Nonlinear chiral molecular photonics using twisted light: hyper-Rayleigh and hyper-Raman optical activity

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