Results 1 to 10 of about 9,054 (268)

Coupling of waveguide mode and graphene plasmons [PDF]

EPJ Web of Conferences, 2021
Photonic waveguides with graphene layers have been recently studied for their potential as fast and low-power electro-optic modulators with small footprints.
Petráček Jiří, Čtyroký Jiří, Kuzmiak Vladimír, Kwiecien Pavel, Richter Ivan   +4 more
doaj   +1 more source

Hollow-core pear-shaped conjoined-tube fiber with low loss in the ultraviolet band

Heliyon, 2023
PCTF (pear-shaped conjoined-tube fiber) is presented as a new ultraviolet (UV) guiding fiber with low loss. Results indicate that two PCTFs have better properties than that of previous studies in the UV band. The total loss of two PCTFs is less than 1 dB/
Yu Cheng, Yu Pan, Houquan Liu, Yiming Xiao, ShiJie Deng, Chuanxin Teng, Hongyan Yang, Hongchang Deng, Libo Yuan   +8 more
doaj   +1 more source

Chalcogenide Taper and Its Nonlinear Effects and Sensing Applications

iScience, 2020
The nonlinear coefficient of chalcogenide glass is 200–1000 times larger than that of silica glass, and it is transparent in the 1–15 μm wavelength windows, which makes the nonlinear effects happen at much low power with a short length in near- and mid ...
Song Gao, Xiaoyi Bao
doaj   +1 more source

Ultrafast Fiber Lasers: An Expanding Versatile Toolbox

iScience, 2020
Ultrafast fiber lasers have gained rapid advances in last decades for their intrinsic merits such as potential of all-fiber format, excellent beam quality, superior power scalability, and high single-pass gain, which opened widespread applications in ...
Guoqing Chang, Zhiyi Wei
doaj   +1 more source

A Geometrical View of Scalar Modulation Instability in Optical Fibers

IEEE Photonics Journal, 2017
Full models of scalar modulation instability (MI) in optical fibers available in the literature usually involve complex formulations. In this paper, we present a novel approach to the analysis of MI in optical fibers by means of a simple geometrical ...
S. M. Hernandez, P. I. Fierens, J. Bonetti, A. D. Sanchez, D. F. Grosz   +4 more
doaj   +1 more source

Synthesis of Hexagonal Structured GaS Nanosheets for Robust Femtosecond Pulse Generation

Nanomaterials, 2022
Gallium sulfide (GaS), with a hexagonal structure, has received extensive attention due to its graphene-like structure and derived optical properties.
Kun Guo, Qiang Yu, Fangqi Liu, Haiqin Deng, Tianan Yi, Bo Ren, Wei Su, Sicong Zhu, Zhiqiang Wang, Jian Wu, Pu Zhou   +10 more
doaj   +1 more source

Power Transfer Function Tailoring in a Highly Ge-Doped Nonlinear Interferometer-Based All-Optical Thresholder Using Offset-Spectral Filtering

IEEE Photonics Journal, 2012
We experimentally investigate and characterize the improvement in thresholding capability of a compact highly Ge-doped nonlinear interferometer-based all-optical thresholder using optical offset spectral filtering. The thresholder we study has an in-loop
Nicole S. Rafidi, Konstantin S. Kravtsov, Yue Tian, Mable P. Fok, Mitchell A. Nahmias, Alexander N. Tait, Paul R. Prucnal   +6 more
doaj   +1 more source

A new structure of photonic crystal fiber with high sensitivity, high nonlinearity, high birefringence and low confinement loss for liquid analyte sensing applications

Sensing and Bio-Sensing Research, 2017
This paper proposes the design and optimization of microstructure optical fiber for liquid sensing applications. A number of propagation characteristics have been compared between two formations of hexagonal cladding of our proposed PCF structure.
Md. Faizul Huq Arif, Md. Jaminul Haque Biddut   +1 more
doaj   +1 more source

Delay-Tap-Sampling-Based Chromatic Dispersion Estimation Method With Ultra-Low Sampling Rate for Optical Fiber Communication Systems

IEEE Access, 2020
A cost-effective chromatic dispersion (CD) estimation method is proposed, which is based on the delay-tap sampling (DTS) technique in combination with periodic training sequences (PTS). By performing equivalent sampling of PTS, DTS-based CD estimation at
Du Tang, Xinxin Wang, Lingwei Zhuang, Peng Guo, Aiying Yang, Yaojun Qiao   +5 more
doaj   +1 more source

Applications of AI in nonlinear fiber optic [PDF]

EPJ Web of Conferences
We will review recent advances in the use of machine learning for ultrafast nonlinear fiber-optics control and optimization.
Genty Goëry, Hary Mathilde, Mabed Mehdi, Ermolaev Andrei, Brunner Daniel, Dudley John M.   +5 more
doaj   +1 more source