Unusual optical effects in dielectric mesoscale particles

OV Minin, IV Minin - Laser Physics, Photonic Technologies …, 2022 - spiedigitallibrary.org
Some new unusual physical phenomena and effects associated with dielectric mesoscale
particles with Mie size parameter near 10 were studied and have been discovered during …

All-fiber passively mode-locked laser using nonlinear multimode interference of step-index multimode fiber

T Chen, Q Zhang, Y Zhang, X Li, H Zhang… - Photonics Research, 2018 - opg.optica.org
We experimentally demonstrate for the first time, to the best of our knowledge, an all-fiber
passively mode-locked laser operation based on the nonlinear multimode interference of …

Detailed investigation of mode-field adapters utilizing multimode-interference in graded index fibers

P Hofmann, A Mafi, C Jollivet, T Tiess… - Journal of Lightwave …, 2012 - ieeexplore.ieee.org
We present a detailed study of mode-field adapters (MFA) based on multimode interference
in graded index multimode fibers. We have fabricated and characterized MFAs from a …

Detailed investigation of self-imaging in largecore multimode optical fibers for application in fiber lasers and amplifiers

X Zhu, A Schülzgen, H Li, L Li, L Han, JV Moloney… - Optics …, 2008 - opg.optica.org
Properties of the self-imaging effect based on multimode interference (MMI) in large-core
passive optical fibers are investigated and analyzed in detail, with the purpose of using …

Sensitivity enhancement of RI sensor based on SMS fiber structure with high refractive index overlay

LL Xue, L Yang - Journal of lightwave technology, 2012 - ieeexplore.ieee.org
We propose a novel way to enhance the sensitivity of single-mode-multimode-single-mode
(SMS) fiber structure in the measurement of surrounding refractive index (RI), which is …

Observation of spatial nonlinear self-cleaning in a few-mode step-index fiber for special distributions of initial excited modes

Z Mohammadzahery, M Jandaghi, E Aghayari… - Scientific reports, 2021 - nature.com
In this paper, we experimentally demonstrate that a nonlinear Kerr effect in suitable coupling
conditions can introduce a spatially self-cleaned output beam for a few-mode step-index …

Coherent beam transformations using multimode waveguides

X Zhu, A Schülzgen, H Li, H Wei, JV Moloney… - Optics express, 2010 - opg.optica.org
Physical insights and characteristics of beam transformations based on multimode
interference (MMI) in multimode waveguides are illuminated and analyzed. Our calculations …

Vibration fiber sensors based on SM-NC-SM fiber structure

Y Ran, L **a, Y Han, W Li… - IEEE Photonics …, 2015 - ieeexplore.ieee.org
A novel vibration sensor based on the single mode (SM)-no core (NC)-SM fiber structure is
proposed and experimentally sensing results demonstrated. By numerical simulation, we …

Single-transverse-mode output from a fiber laser based on multimode interference

X Zhu, A Schülzgen, H Li, L Li, Q Wang, S Suzuki… - Optics letters, 2008 - opg.optica.org
An alternative original approach to achieve single-transverse-mode laser emissions from
multimode (MM) active fibers is demonstrated. The fiber cavity is constructed by simply …

[HTML][HTML] A bidirectional mode-locked fiber laser for asynchronous noise-like pulse generation

Y Zheng, A Wang, Y Cai, F Zhang, X Zhang - Photonics, 2024 - mdpi.com
We demonstrate a bidirectional fiber laser with an artificial saturable absorber of a step-
index multimode fiber sandwiched by single-mode fibers. Two asynchronous noise-like …