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Two-dimensional fluorescence spectroscopy with quantum entangled photons: Idler-referenced timing without pump detection
Yuta Fujihashi, Akihito Ishizaki
Entangled photons have attracted increasing interest as resources for developing time-resolved spectroscopic techniques. Theoretical studies suggest that their non-classical correl…
Two-dimensional fluorescence spectroscopy with quantum entangled photons and time- and frequency-resolved two-photon coincidence detection
Yuta Fujihashi, Ozora Iso, Ryosuke Shimizu +1
Recent theoretical studies in quantum spectroscopy have emphasized the potential of non-classical correlations in entangled photon pairs for selectively targeting specific nonlinea…
Pathway selectivity in time-resolved spectroscopy using two-photon coincidence counting with quantum entangled photons
Yuta Fujihashi, Akihito Ishizaki, Ryosuke Shimizu
Ultrafast optical spectroscopy is a powerful technique for studying the dynamic processes of molecular systems in condensed phases. However, in molecular systems containing many dy…
Probing exciton dynamics with spectral selectivity through the use of quantum entangled photons
Yuta Fujihashi, Kuniyuki Miwa, Masahiro Higashi +1
Quantum light is increasingly recognized as a promising resource for developing optical measurement techniques. Particular attention has been paid to enhancing the precision of the…
Achieving two-dimensional optical spectroscopy with temporal and spectral resolution using quantum entangled three photons
Yuta Fujihashi, Akihito Ishizaki
Recent advances in techniques for generating quantum light have stimulated research on novel spectroscopic measurements using quantum entangled photons. One such spectroscopy techn…
Insights into photosynthetic energy transfer gained from free-energy structure: Coherent transport, incoherent hopping, and vibrational assistance revisited
Akihito Ishizaki, Graham R. Fleming
Giant strides in ultrashort laser pulse technology have enabled real-time observation of dynamical processes in complex molecular systems. Specifically, the discovery of oscillator…
Controlling the nonadiabatic electron-transfer reaction rate through molecular-vibration polaritons in the ultrastrong coupling regime
Nguyen Thanh Phuc, Pham Quang Trung, Akihito Ishizaki
Recent experiments showed that the chemical reaction rate is modified, either increased or decreased, by strongly coupling a nuclear vibration mode to the single mode of an optical…
Prerequisites for relevant spectral density and convergence of reduced density matrices at low temperatures
Akihito Ishizaki
Hierarchical equations of motion approach with the Drude-Lorentz spectral density has been widely employed in investigating quantum dissipative phenomena. However, it is often comp…
Intramolecular Vibrations Complement the Robustness of Primary Charge Separation in a Dimer Model of the Photosystem II Reaction Center
Yuta Fujihashi, Masahiro Higashi, Akihito Ishizaki
The energy conversion of oxygenic photosynthesis is triggered by primary charge separation in proteins at the photosystem II reaction center. Here, we investigate the impacts of th…
Control of Excitation Energy Transfer in Condensed Phase Molecular Systems by Floquet Engineering
Nguyen Thanh Phuc, Akihito Ishizaki
Excitation energy transfer (EET) is one of the most important processes in both natural and artificial chemical systems including, for example, photosynthetic complexes and organic…
Impact of environmentally induced fluctuations on quantum mechanically mixed electronic and vibrational pigment states in photosynthetic energy transfer and 2D electronic spectra
Yuta Fujihashi, Graham R. Fleming, Akihito Ishizaki
Recently, nuclear vibrational contribution signatures in 2D electronic spectroscopy have attracted considerable interest, in particular as regards interpretation of the oscillatory…