4 papers
Phase-sensitive tip-enhanced sum frequency generation spectroscopy using temporally asymmetric pulse for detecting weak vibrational signals
Atsunori Sakurai, Shota Takahashi, Tatsuto Mochizuki +3
Vibrational sum frequency generation (SFG) spectroscopy is a powerful technique for investigating molecular structures, orientations, and dynamics at surfaces. However, its spatial…
Diffraction-Unlimited Tip-Enhanced Sum-Frequency Vibrational Nanoscopy
Shota Takahashi, Koichi Kumagai, Atsunori Sakurai +4
Sum-frequency generation (SFG) is a powerful second-order nonlinear spectroscopic technique that provides detailed insights into molecular structures and absolute orientations at s…
Giant near-field nonlinear electrophotonic effects in an angstrom-scale plasmonic junction
Shota Takahashi, Atsunori Sakurai, Tatsuto Mochizuki +1
Plasmons facilitate a strong confinement and enhancement of near-field light, offering exciting opportunities to enhance nonlinear optical responses at the nanoscale. However, desp…
Tip-Enhanced Sum Frequency Generation for Molecular Vibrational Nanospectroscopy
Atsunori Sakurai, Shota Takahashi, Tatsuto Mochizuki +1
Vibrational sum frequency generation (SFG) is a nonlinear spectroscopic technique widely used to study the molecular structure and dynamics of surface systems. However, the spatial…