Nonlinear Group IV photonics based on silicon and germanium: from near-infrared to mid-infrared
Group IV photonics hold great potential for nonlinear applications in the near-and mid-
infrared (IR) wavelength ranges, exhibiting strong nonlinearities in bulk materials, high index …
infrared (IR) wavelength ranges, exhibiting strong nonlinearities in bulk materials, high index …
Recent progress of supercontinuum generation in nanophotonic waveguides
Supercontinuum (SC) has opened up possibilities for numerous applications in optical
communications, signal processing, metrology, and spectroscopy. Supercontinuum …
communications, signal processing, metrology, and spectroscopy. Supercontinuum …
Supercontinuum generation in bandgap engineered, back‐end CMOS compatible silicon rich nitride waveguides
CMOS‐compatible nonlinear optics platforms with negligible nonlinear losses and high
nonlinearity are of great merit. Silicon, silicon nitride and Hydex glass have made significant …
nonlinearity are of great merit. Silicon, silicon nitride and Hydex glass have made significant …
Silicon waveguide with four zero-dispersion wavelengths and its application in on-chip octave-spanning supercontinuum generation
We propose a novel silicon waveguide that exhibits four zero-dispersion wavelengths for the
first time, to the best of our knowledge, with a flattened dispersion over a 670-nm bandwidth …
first time, to the best of our knowledge, with a flattened dispersion over a 670-nm bandwidth …
Visible-to-near-infrared octave spanning supercontinuum generation in a silicon nitride waveguide
The generation of an octave spanning supercontinuum covering 488–978 nm (at− 30 dB) is
demonstrated for the first time on-chip. This result is achieved by dispersion engineering a 1 …
demonstrated for the first time on-chip. This result is achieved by dispersion engineering a 1 …
On-chip visible-to-infrared supercontinuum generation with more than 495 THz spectral bandwidth
We report ultra-broadband supercontinuum generation in high-confinement Si_3N_4
integrated optical waveguides. The spectrum extends through the visible (from 470 nm) to …
integrated optical waveguides. The spectrum extends through the visible (from 470 nm) to …
Octave-spanning supercontinuum generation of vortices in an As2S3 ring photonic crystal fiber
We propose As_2S_3 ring photonic crystal fiber (PCF) for supercontinuum generation of
optical vortex modes. Due to the large material index contrast between As_2S_3 and air …
optical vortex modes. Due to the large material index contrast between As_2S_3 and air …
Broadband mid-infrared supercontinuum generation in dispersion-engineered silicon-on-insulator waveguide
In this paper, we numerically investigate near-and mid-infrared supercontinuum (SC)
generation in dispersion-engineered silicon-on-insulator (SOI) waveguides employing a …
generation in dispersion-engineered silicon-on-insulator (SOI) waveguides employing a …
Generation of two-cycle pulses and octave-spanning frequency combs in a dispersion-flattened micro-resonator
We show that octave-spanning Kerr frequency combs with improved spectral flatness of
comb lines can be generated in dispersion-flattened microring resonators. The resonator is …
comb lines can be generated in dispersion-flattened microring resonators. The resonator is …
Supercontinuum generation in an on-chip silica waveguide
Supercontinuum generation is demonstrated in an on-chip silica spiral waveguide by
launching 180 fs pulses from an optical parametric oscillator at the center wavelength of …
launching 180 fs pulses from an optical parametric oscillator at the center wavelength of …