9 citations · 17 across the 5 of their papers we have counts for
5 papers
N-fold topological mode replication in hierarchical honeycomb lattices
Keita Funayama, Kenichi Yatsugi, Hideo Iizuka
Multi-band topological states enable robust and versatile wave manipulation across a variety of physical platforms. However, the emergence of multi-band topological states has reli…
Realization of a universal topological waveguide by tuning adiabatic geometry
Keita Funayama, Jotaro J. Nakane, Ai Yamakage
Quantum valley Hall-based topological phases have been attracting attention across diverse fields as a robust platform for wave guidance due to their high compatibility with engine…
Topological Phononic Crystal on the Scale of Quasi-Ballistic Phonon Transport
Keita Funayama, Yuki Akura, Hiroya Tanaka +1
Phonon engineering technology has opened up the functional thermal management of semiconductor-based classical and quantum electronics at the micro- and nanoscales. However, challe…
Selectable diffusion direction with topologically protected edge modes
Keita Funayama, Jun Hirotani, Atsushi Miura +1
Topological insulators provide great potentials to control diffusion phenomena as well as waves. Here, we show that the direction of thermal diffusion can be selected by the contri…
Nanomechanical system meets ultra-small, robust, and ultra-low-powered digital communication receiver
Keita Funayama, Hiroya Tanaka, Jun Hirotani +3
Nanomechanical systems offer a versatile platform for both fundamental science and industrial applications. Resonating vibration has been demonstrated to enable an ultrasensitive d…