High-power single-mode fibre coupling enables solutions in many optical applications. In super-resolution microscopy for example, SM fibre-coupled laser sub-systems in the multi-Watt regime are
Fiber-to-chip optical interconnects is a big challenge in silicon photonics application scenarios such as data centers and optical transmission
Previously, a seg- ment waveguide formed with interleaved low- and high-index regions of silica, which can expand the spot size of the optical field in the silica optical waveguide, has been used to improve
Here we propose and design a multi-mode coupler composed of tapered few-mode fiber and silicon integrated multistage waveguide tapers,
In this paper, we limit our analysis to coupling between effectively single-moded HCFs and SMFs, with coupling between fibres designed to operate over more modes being outside our scope.
Abstract High-power Single-Mode (SM) fibre coupling of continuous wave (cw) lasers in the visible range is shown at different wavelengths with coupling eficiencies as high as 80%. Whilst this value is easily
Abstract We report on the wet chemical fabrication of tapered step-index single-mode fibers and the low-loss coupling between these fibers and III-V semiconductor waveguide structures.
Coupling efficiency of coherent plane waves into single-mode fibers is degraded by the localized deformation of the optics antenna used for reception
Abstract—Few-mode fiber is a significant component of free-space optical communication at the receiver to obtain achievable high coupling efficiency. A theoretical coupling model from the free-space optical
Multimode and multicore optical fibers are pivotal for spatial division multiplexing, a key technology for future high-capacity optical communication systems. A critical transmission
However, it is still challenging to achieve low-loss coupling when interfacing high index contrast waveguides such as SiN with SMF-28 fibers. In
Abstract: One of the major restrictions of the free-space optical communication systems is the limitation of single-mode fiber (SMF) coupling efficiency that impacts the system performance.
The advanced manufacturing technology as well as common modeling methods and applications of coupling systems have also been reviewed. Finally, the paper has summarized the
We demonstrate here for the first time, to the best of our knowledge, an effective method to achieve low-loss light coupling from solid-core fibers to
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This paper combines fiber-coupling fundamentals, classical optics, and diffraction theory to provide a compact description of coupling efficiency that includes the effects of aberrations, fiber
A high-efficiency and large-alignment-tolerance fiber interface to silicon-on-insulator wire waveguides is introduced. A spot-size converter is built through a full three-dimensional polymer
Therefore, this study designs a three-lens coupled optical path for integrating multiple laser diodes and photodiodes with a high coupling efficiency. The coupling efficiency between the laser
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Abstract ngths with coupling eficiencies as high as 80%. Whilst this value is easily achievable when laser light is coupled into multimode fibres, for single-mode fibres, 80% eficiency is close to the
The coupling efficiency of light from multimode lasers or broadband light sources into the guided mode of a single mode fiber will be poor, even if the
In the presence of atmospheric turbulence, the influence of OSA on fiber coupling efficiency and the impact of fiber positioning error on fiber coupling efficiency are analyzed.
Abstract We demonstrate halving the record-low loss of interconnection between a nested antiresonant nodeless type hollow-core fiber (NANF) and standard single-mode fiber (SMF).
For standard single mode fiber SMF28, the MFD is 10.4 for 1.55um wavelength. Many silicon photonics technologies use standard 0.22um thick SOI Silicon, and 0.5um wide waveguides for single mode
In this paper, we demonstrate a laser-based optical wireless communication (OWC) system employing a 940 nm single-mode (SM) vertical cavity surface emitting laser (VCSEL) and a multi-mode (MM) fiber
However, such single-ring design only allows for coupling with one of the two core LP 11 modes, leaving the second unaffected. We proposed a windmill fiber design that is able to
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