4 papers
Motion-Tracking Terahertz Time-Domain Spectroscopy Enabled by Time-Programmable Frequency Combs for Moving-Object Sensing
Riku Shibata, Shun Fujii, Tomofumi Ikari +1
Terahertz time-domain spectroscopy (THz-TDS) provides direct access to both spectral information and time-of-flight features, making it attractive for dynamic sensing. However, con…
Ultralong pump-probe movies of magnon and phonon dynamics from ultrafast generation to microsecond relaxation
Riku Shibata, Shun Fujii, Shinichi Watanabe
The long lifetimes of magnons and phonons make them attractive for information-processing devices, highlighting the importance of visualizing their spatiotemporal dynamics from gen…
Spatial mapping of quantum-dot dynamics across multiple timescales at low temperature using remote asynchronous optical sampling
Gen Asambo, Riku Shibata, Yushiro Takahashi +3
Quantum dots (QDs) offer significant potential for applications in quantum information and optoelectronic devices; however, conventional time-resolved spectroscopy cannot generally…
Architecture for coherent dual-comb spectroscopy and low-noise photonic microwave generation using mechanically actuated soliton microcombs
Tatsuki Murakami, Koshiro Wada, Soma Kogure +8
Dissipative Kerr soliton microcombs have inspired various intriguing applications such as spectroscopy, ranging, telecommunication, and high purity microwave generation. Mechanical…