Selective Vibronic Excitation for Coherent Energy Transport in Photosynthetic and Agrivoltaic Systems

Partitioning the photonic environment into resonant and off-resonant modes provides a mechanism for dephasing suppression in photosynthetic energy transfer. Aligning the excitation spectrum with underdamped vibronic resonances in the Fenna–Matthews–Olson (FMO) complex prepares vibronically dressed states with reduced coupling to dissipative fluctuations, inducing a biexponential coherence decay: a rapid initial dephasing (τ fast ≈ 37 fs) followed by persistent interband coherences extending beyond 1 ps─a >3 time extension of the effective coherence window relative to broadband excitation (τ c = 280 fs). This improves forward transfer yields by 39% at 295 K. PT-HOPS/SBD simulations establish that dual-band filtering at 750 and 820 nm targets vibronic resonances while bypassing dephasing-dominated noise. This enhancement is robust against static disorder (σ = 50 cm –1 ), with an ensemble-averaged increase of η = 0.39(4). These results identify selective vibronic excitation as a foundational design principle for coherence-assisted transport. This framework extends to symbiotic agrivoltaic systems, where organic photovoltaics function as active spectral filters to co-optimize excitonic transport alongside the photosynthetic requirements of underlying crops.