Doubly resonant χ(2) nonlinear photonic crystal cavity based on a bound state in the continuum
Photonic nanostructures simultaneously maximizing spectral and spatial overlap between
fundamental and second-harmonic confined modes are highly desirable for enhancing …
fundamental and second-harmonic confined modes are highly desirable for enhancing …
III-nitride photonic cavities
Owing to their wide direct bandgap tunability, III-nitride (III-N) compound semiconductors
have been proven instrumental in the development of blue light-emitting diodes that led to …
have been proven instrumental in the development of blue light-emitting diodes that led to …
Doubly resonant second-harmonic generation of a vortex beam from a bound state in the continuum
Second-harmonic generation in nonlinear materials can be greatly enhanced by realizing
doubly resonant cavities with high quality factors. However, fulfilling such doubly resonant …
doubly resonant cavities with high quality factors. However, fulfilling such doubly resonant …
Intrinsic polarity inversion in III-nitride waveguides for efficient nonlinear interactions
III-nitrides provide a versatile platform for nonlinear photonics. In this work, we explore a new
promising configuration–composite waveguides containing GaN and AlN layers with …
promising configuration–composite waveguides containing GaN and AlN layers with …
[HTML][HTML] Efficient continuous-wave nonlinear frequency conversion in high-Q gallium nitride photonic crystal cavities on silicon
We report on nonlinear frequency conversion from the telecom range via second harmonic
generation (SHG) and third harmonic generation (THG) in suspended gallium nitride slab …
generation (SHG) and third harmonic generation (THG) in suspended gallium nitride slab …
III-Nitride-on-silicon microdisk lasers from the blue to the deep ultra-violet
We present a series of microdisk lasers realized within the same GaN-on-Si photonic
platform scheme, and operating at room temperature under pulsed optical pum** over a …
platform scheme, and operating at room temperature under pulsed optical pum** over a …
Perspectives for III-Nitride photonic platforms
The development of photonic platforms for the visible or ultra-violet spectral range
represents a major challenge. In this article, we present an overview of the technological …
represents a major challenge. In this article, we present an overview of the technological …
[HTML][HTML] Fabrication of gallium nitride waveguide resonators by high-power impulse magnetron sputtering at room temperature
SH Wu, ZG Chen, HS Liu, SH Chen, PH Wang - APL Photonics, 2024 - pubs.aip.org
In this work, we demonstrate gallium nitride (GaN) waveguide resonators by sputtering
amorphous GaN films on the silicon-based substrate. With the aid of high-power impulse …
amorphous GaN films on the silicon-based substrate. With the aid of high-power impulse …
Efficient second harmonic generation in low-loss planar GaN waveguides
We demonstrate low-loss GaN/AlGaN planar waveguides grown by molecular beam epitaxy
on sapphire substrates. By using a proper AlGaN cladding layer and reducing surface …
on sapphire substrates. By using a proper AlGaN cladding layer and reducing surface …
Improved Q-factors of III-nitride-based photonic crystal nanocavities by optical loss engineering
III-nitride-based two-dimensional photonic crystal (2D-PhC) cavities with high-quality factors
(Q-factors) have a large potential application, however realized Q-factors in the visible …
(Q-factors) have a large potential application, however realized Q-factors in the visible …