Nonlinear Group IV photonics based on silicon and germanium: from near-infrared to mid-infrared

L Zhang, AM Agarwal, LC Kimerling, J Michel - Nanophotonics, 2014 - degruyter.com
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 …

Recent progress of supercontinuum generation in nanophotonic waveguides

Y Fang, C Bao, SA Li, Z Wang, W Geng… - Laser & Photonics …, 2023 - Wiley Online Library
Supercontinuum (SC) has opened up possibilities for numerous applications in optical
communications, signal processing, metrology, and spectroscopy. Supercontinuum …

Supercontinuum generation in bandgap engineered, back‐end CMOS compatible silicon rich nitride waveguides

T Wang, DKT Ng, SK Ng, YT Toh… - Laser & Photonics …, 2015 - Wiley Online Library
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 …

Silicon waveguide with four zero-dispersion wavelengths and its application in on-chip octave-spanning supercontinuum generation

L Zhang, Q Lin, Y Yue, Y Yan, RG Beausoleil… - Optics express, 2012 - opg.optica.org
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 …

Visible-to-near-infrared octave spanning supercontinuum generation in a silicon nitride waveguide

H Zhao, B Kuyken, S Clemmen, F Leo… - Optics letters, 2015 - opg.optica.org
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 …

On-chip visible-to-infrared supercontinuum generation with more than 495 THz spectral bandwidth

JP Ep**, T Hellwig, M Hoekman, R Mateman… - Optics express, 2015 - opg.optica.org
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 …

Octave-spanning supercontinuum generation of vortices in an As2S3 ring photonic crystal fiber

Y Yue, L Zhang, Y Yan, N Ahmed, JY Yang, H Huang… - Optics letters, 2012 - opg.optica.org
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 …

Broadband mid-infrared supercontinuum generation in dispersion-engineered silicon-on-insulator waveguide

H Saghaei, V Van - JOSA B, 2019 - opg.optica.org
In this paper, we numerically investigate near-and mid-infrared supercontinuum (SC)
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

L Zhang, C Bao, V Singh, J Mu, C Yang, AM Agarwal… - Optics letters, 2013 - opg.optica.org
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 …

Supercontinuum generation in an on-chip silica waveguide

DY Oh, D Sell, H Lee, KY Yang, SA Diddams… - Optics letters, 2014 - opg.optica.org
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 …