The second laser revolution in chemistry: Emerging laser technologies for precise fabrication of multifunctional nanomaterials and nanostructures
The use of photons to directly or indirectly drive chemical reactions has revolutionized the
field of nanomaterial synthesis resulting in appearance of new sustainable laser chemistry …
field of nanomaterial synthesis resulting in appearance of new sustainable laser chemistry …
Metaphotonics with subwavelength dielectric resonators
The recently emerged Mie resonant meta photonics (or Mietronics) provides novel
opportunities for subwavelength optics. Mietronics employs resonances in isolated …
opportunities for subwavelength optics. Mietronics employs resonances in isolated …
Ultrasensitive photothermal switching with resonant silicon metasurfaces at visible bands
Dynamic access to quasi-bound states in the continuum (q-BICs) offers a highly desired
platform for silicon-based active nanophotonic applications, while the prevailing tuning …
platform for silicon-based active nanophotonic applications, while the prevailing tuning …
Optical Bistability in Nanosilicon with Record Low Q-Factor
K Nishida, PH Tseng, YC Chen, PH Wu, CY Yang… - Nano Letters, 2023 - ACS Publications
We demonstrated optical bistability in an amorphous silicon Mie resonator with a size of∼
100 nm and Q-factor as low as∼ 4 by utilizing photothermal and thermo-optical effects. We …
100 nm and Q-factor as low as∼ 4 by utilizing photothermal and thermo-optical effects. We …
Light‐Driven Thermo‐Optical Effects in Nanoresonator Arrays
Thermonanophotonics, that is the study of photothermal effects in optical nanoantennas, has
recently attracted growing interest. In particular, going beyond thermoplasmonic designs …
recently attracted growing interest. In particular, going beyond thermoplasmonic designs …
Spectral responses of resonant dielectric metasurfaces induced by Kerr nonlinearity in pump-probe scheme: Theoretical study
KH Kim - Optical Materials, 2023 - Elsevier
In resonant nonlinear nanostructures, Kerr nonlinear responses and optical bistability have
already been extensively studied. In spite of great importance, their spectral responses …
already been extensively studied. In spite of great importance, their spectral responses …
Thermo‐Optical Bistability Enabled by Bound States in The Continuum in Silicon Metasurfaces
The control of light through all‐optical means is a fundamental challenge in nanophotonics
and a key effect in optical switching and logic. The optical bistability effect enables this …
and a key effect in optical switching and logic. The optical bistability effect enables this …
Multistability manipulation by reinforcement learning algorithm inside mode-locked fiber laser
Fiber mode-locked lasers are nonlinear optical systems that provide ultrashort pulses at high
repetition rates. However, adjusting the cavity parameters is often a challenging task due to …
repetition rates. However, adjusting the cavity parameters is often a challenging task due to …
Low-Power Threshold Optical Bistability Enabled by Hydrodynamic Kerr Nonlinearity of Free Carriers in Heavily Doped Semiconductors
We develop an efficient numerical model based on the semiclassical hydrodynamic theory
for studying Kerr nonlinearity in degenerate electron systems such as heavily doped …
for studying Kerr nonlinearity in degenerate electron systems such as heavily doped …
Second harmonic generation and broad-band photoluminescence in mesoporous Si/SiO2 nanoparticles
Efficient second harmonic generation and broad-band photoluminescence from deeply
subwavelength and nontoxic nanoparticles is essential for nanophotonic applications. Here …
subwavelength and nontoxic nanoparticles is essential for nanophotonic applications. Here …