Results 1 to 10 of about 540 (169)

2D Chalcogenide Thin Films for Super-Resolved Laser Structuring [PDF]

EPJ Web of Conferences, 2023
The saturable absorption behaviour associated with chalcogenide thin films has been investigated and optimized using Z-Scan Technique. Huge saturable absorption responses (of the order of 10^-7 m/W) were observed for the Bismuth Selenide thin films ...
Karimbana-Kandy Arjun, Lumeau Julien, Natoli Jean-Yves, Iliopoulos Konstantinos   +3 more
doaj   +1 more source

Femtosecond Optical Nonlinearity of Nanodiamond Suspensions

Applied Sciences, 2021
High pressure-high temperature (HP-HT) nanodiamonds and detonation nanodiamonds have unique optical properties and are promising materials for various applications in photonics.
Gennady M. Mikheev, Viatcheslav V. Vanyukov, Tatyana N. Mogileva, Konstantin G. Mikheev, Alexander N. Aleksandrovich, Nicholas A. Nunn, Olga A. Shenderova   +6 more
doaj   +1 more source

Graphene Saturable Absorber Mirrors for Silicon Photonic Platforms

IEEE Photonics Journal, 2022
We employ graphene saturable absorption for the theoretical demonstration of saturable absorption mirrors based on planar silicon photonic Bragg gratings.
Dimitrios Chatzidimitriou, Dimitrios C. Zografopoulos, Emmanouil E. Kriezis   +2 more
doaj   +1 more source

Initial Transmission Influence on Saturable Absorber Absorption Activity of Passive Q-Switching Erbium -Doped Fiber Laser System

مجلة علوم ذي قار, 2023
The initial transmission effect on the activity of Cr+4: YAG saturable absorber with Er +3 doped fiber laser was investigated. Software computer program was built in this study for solving the rate equations model by Rung - Kutta –Fehlberg numerical ...
Zainab Ali, Zainab Abdulsada, Nagamalli Arasavalli, Sally Kadhim, Haneen Akram   +4 more
doaj   +1 more source

Strengthened Optical Nonlinearity of V₂C Hybrids Inlaid with Silver Nanoparticles

Nanomaterials, 2022
The investigation of nonlinear optical characteristics resulting from the light–matter interactions of two-dimensional (2D) nano materials has contributed to the extensive use of photonics.
Yabin Shao, Qing He, Lingling Xiang, Zibin Xu, Xiaoou Cai, Chen Chen   +5 more
doaj   +1 more source

Femtosecond Pulsed Fiber Laser by an Optical Device Based on NaOH-LPE Prepared WSe₂ Saturable Absorber

Nanomaterials, 2022
We report on all-optical devices prepared from WSe2 combined with drawn tapered fibers as saturable absorbers to achieve ultrashort pulse output. The saturable absorber with a high damage threshold and high saturable absorption characteristics is ...
Si Chen, Fengpeng Wang, Fangguang Kuang, Shuying Kang, Hanwen Liang, Lijing Zheng, Lixin Guan, Qing Wu   +7 more
doaj   +1 more source

Broadband saturable absorption in germanene for mode-locked Yb, Er, and Tm fiber lasers

Nanophotonics, 2022
Passively mode-locked lasers have been widely investigated as one of the effective methods to obtain ultrashort pulses. As an important part of passively mode-locked fiber lasers, the exploration of 2D material-based saturable absorber has become one of ...
Wang Qingbo, Kang Jianlong, Wang Pan, He Jiangyong, Liu Yicong, Wang Zhi, Zhang Han, Liu Yan-ge   +7 more
doaj   +1 more source

Low- and High-Order Optical Nonlinearities of Quantum Dots

Photonics, 2022
Various potential applications of quantum dots (QDs) require knowledge of their optical nonlinearities. In this review, the third-order nonlinearities responsible for the saturable absorption, two-photon absorption, reverse saturable absorption, and ...
Rashid A. Ganeev
doaj   +1 more source

Recent progress of pulsed fiber lasers based on transition-metal dichalcogenides and black phosphorus saturable absorbers

Nanophotonics, 2020
Transition-metal dichalcogenides (TMDCs) and black phosphorus (BP) are typical 2D materials with layer-dependent bandgaps, which are emerging as promising saturable absorption materials for pulsed fiber lasers.
Liu Xing, Gao Qun, Zheng Yang, Mao Dong, Zhao Jianlin   +4 more
doaj   +1 more source

SiO₂ Passivated Graphene Saturable Absorber Mirrors for Ultrashort Pulse Generation

Nanomaterials, 2022
Owing to its broadband absorption, ultrafast recovery time, and excellent saturable absorption feature, graphene has been recognized as one of the best candidates as a high-performance saturable absorber (SA).
Hongpei Wang, Cheng Jiang, Huiyuan Chu, Hao Dai, Beibei Fu, Shulong Lu, Ziyang Zhang   +6 more
doaj   +1 more source