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 …

Effective mode area and its optimization in silicon-nanocrystal waveguides

ID Rukhlenko, M Premaratne, GP Agrawal - Optics letters, 2012 - opg.optica.org
We revisit the problem of the optimization of a silicon-nanocrystal (Si-NC) waveguide,
aiming to attain the maximum field confinement inside its nonlinear core and to ensure …

Bilayer dispersion-flattened waveguides with four zero-dispersion wavelengths

Y Guo, Z Jafari, AM Agarwal, LC Kimerling, G Li… - Optics Letters, 2016 - opg.optica.org
We propose a new type of bilayer dispersion-flattened waveguides that have four zero-
dispersion wavelengths. Low and flat dispersion can be achieved by using two different …

Strip/slot hybrid arsenic tri-sulfide waveguide with ultra-flat and low dispersion profile over an ultra-wide bandwidth

Z Jafari, F Emami - Optics letters, 2013 - opg.optica.org
A strip/slot hybrid arsenic tri-sulfide waveguide with a horizontal silicon dioxide slot is
proposed. The waveguide exhibits an ultra-flat and low dispersion profile with four zero …

Chalcogenide waveguide structure for dispersion in mid-infrared wavelength

N Ashok, YL Lee, WJ Shin - Japanese Journal of Applied …, 2017 - iopscience.iop.org
We present a waveguide design with low dispersion in mid-infrared wavelengths. The
design consists of slot-strip-slot structures horizontally, the strip structure is considered with …

Raman amplification in silicon-nanocrystal waveguides

ID Rukhlenko, V Kalavally - journal of lightwave technology, 2013 - ieeexplore.ieee.org
The strength of Raman interaction between optical fields propagating through a silicon-
nanocrystal waveguide is known to significantly differ from that in bulk silicon and silicon-on …

Parameter space exploration in dispersion engineering of multilayer silicon waveguides from near-infrared to mid-infrared

Z Jafari, L Zhang, AM Agarwal, LC Kimerling… - Journal of Lightwave …, 2016 - opg.optica.org
Dispersion engineering is important in integrated photonics with a high index contrast. We
present an exploration of the parameter space in dispersion-engineered silicon multilayer …

Effective third-order susceptibility of silicon-nanocrystal-doped silica

ID Rukhlenko, W Zhu, M Premaratne, GP Agrawal - Optics express, 2012 - opg.optica.org
We derive approximate analytic expressions for the effective susceptibility tensor of a
nonlinear composite, consisting of silicon nanocrystals embedded in fused silica. Two types …

Engineered octave frequency comb in integrated chalcogenide dual-ring microresonators

Z Wang, L Luo, D Xia, S Lu, G Lin, S Gao, Z Li… - Frontiers in …, 2023 - frontiersin.org
Octave-spanning Kerr combs bridging the spectral windows of the near-infrared region (NIR)
and the mid-infrared (MIR) region are expected in a number of applications, including high …

Reverse ridge/slot chalcogenide glass waveguide with ultrabroadband flat and low dispersion

Y Zhai, C Yuan, R Qi, W Zhang… - IEEE Photonics …, 2015 - ieeexplore.ieee.org
A reverse ridge/slot hybrid chalcogenide glass (As 2 S 3) waveguide with two vertical silicon
dioxide slots is proposed in this paper. The fundamental quasi-TE mode of the waveguide …