High-precision measurement of a propagation loss of low-loss single-mode optical waveguides on lithium niobate on insulator
… the highly desirable characteristics of the optical waveguides. … niobate waveguides are
inherent of low refractive index … arms of different lengths, the propagation loss of the single-mode …
inherent of low refractive index … arms of different lengths, the propagation loss of the single-mode …
… mid-infrared polarization beam splitter based on an asymmetric directional coupler consisting of GaAs–CaF2 hybrid plasmonic waveguide and GaAs nanowire
F Wang, Y Chen, C Li, T Ma, X Wang, K Yu, L Li - Optics Communications, 2022 - Elsevier
… are highly polarization-sensitive due to the high refractive … In order to solve the polarization
problem and realize a low loss… of the slit waveguide, which is significantly different from the …
problem and realize a low loss… of the slit waveguide, which is significantly different from the …
Ultra-broadband and high extinction ratio polarization splitter based on triple-tapered directional couplers
H Faramarzi, A Soltani, ZH Firouzeh… - Scientific Reports, 2024 - nature.com
… considerable interest through the high refractive index contrast between silicon and silicon
… high bandwidth, high extinction ratio (ER) and low loss are required 10 . Up to now, different …
… high bandwidth, high extinction ratio (ER) and low loss are required 10 . Up to now, different …
Low-loss, geometry-invariant optical waveguides with near-zero-index materials
… electromagnetic wave is highly confined at subwavelength … (λ/2n, n is optical refractive index),
where the fundamental TE … ENZ and dielectric optical waveguides with different values of …
where the fundamental TE … ENZ and dielectric optical waveguides with different values of …
A device library for the ultra-low loss Si3N4 platform
… loss spectrum averaged over 16 measurements in different … of very low losses, which are
expected in larger waveguides. … grating coupling strength according to the desired refractive …
expected in larger waveguides. … grating coupling strength according to the desired refractive …
Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint
H Nikbakht, MT Khoshmehr, B Van Someren… - Optics Letters, 2023 - opg.optica.org
… having two coupled waveguides of different widths that exhibits much … optical waveguides
with a target width of 1 µm were designed. The effective refractive index of the waveguide at λ=…
with a target width of 1 µm were designed. The effective refractive index of the waveguide at λ=…
Compact hybrid five-mode multiplexer based on asymmetric directional couplers with constant bus waveguide width
… is based on ADCs with SWGs to tailor the effective refractive index of a bus waveguide. …
waveguide tapers between different ADCs. Therefore, the device footprint can be greatly reduced …
waveguide tapers between different ADCs. Therefore, the device footprint can be greatly reduced …
Compact low-birefringence polarization beam splitter using vertical-dual-slot waveguides in silicon carbide integrated platforms
… for low-refractive-index optical materials, due to the low … Many different types of PBSs have
been studied in silicon-on-… , the coupling strength between the two waveguides is strongly …
been studied in silicon-on-… , the coupling strength between the two waveguides is strongly …
Designing optical waveguides: myth and reality
… Large bending radius is a requirement for low loss transmission, … low refractive index
contrast slot optical waveguides [64], a case study of six relatively different optical waveguides …
contrast slot optical waveguides [64], a case study of six relatively different optical waveguides …
Micro-optical waveguides realization by low-cost technologies
… Different technologies can be exploited to realize micro-… with high capital investment equipment
and highly controlled clean … refractive index, confined between the cladding layers, with a …
and highly controlled clean … refractive index, confined between the cladding layers, with a …