Results 21 to 30 of about 1,747,140 (249)

Formation and Energy Exchange of Vector Dark Solitons in Fiber Lasers

IEEE Photonics Journal, 2015
The mutual energy-exchange interactions in two orthogonally polarized components of vector dark soliton, which is automatically formed in a normal-dispersion fiber laser cavity in the presence of reverse saturable absorption, and dissipative cavity ...
Jun Guo, Yuanjiang Xiang, Xiaoyu Dai, Han Zhang, Shuangchun Wen   +4 more
doaj   +1 more source

Nonlinear optical properties of carboxyl-functionalized graphene oxide for dissipative soliton resonance pulse generation

Journal of Materiomics, 2023
Here, we investigated the nonlinear optical (NLO) characteristics of carboxyl-functionalized graphene oxide (GO-COOH) in the near-infrared (NIR) region. The results revealed that GO-COOH samples exhibit strong saturable absorption at low pump levels and ...
Han Pan, Hongwei Chu, Zhongben Pan, Ying Li, Shengzhi Zhao, Dechun Li   +5 more
doaj   +1 more source

Tunable optical nonlinearity of indium tin oxide for optical switching in epsilon-near-zero region

Nanophotonics, 2022
The propagation of light in the epsilon-near-zero (ENZ) region of materials exhibits intriguing linear and nonlinear optical phenomenon that have been extensively exploited for a plethora of applications. Here, we show that the optical properties as well
Lau Kuen Yao, Yang Yuting, Zhao Di, Liu Xiaofeng, Qiu Jianrong   +4 more
doaj   +1 more source

Nonlinear optical studies of calcium tartrate crystals

Journal of Taibah University for Science, 2019
Calcium Tartrate crystals were synthesized using sol–gel technique. Linear optical studies of the crystals were carried out in the UV–Vis-NIR spectral range.
I. Rejeena, Vinoy Thomas, S. Mathew, Anit Elizabeth, P. Radhakrishnan, A. Mujeeb   +5 more
doaj   +1 more source

Near-infrared saturable and reverse saturable absorption of ion beam synthesized VO2 nanocrystals [PDF]

, 2020
We investigate the nonlinear optical response of a thin film of ion-implanted VO2 nanocrystals with open aperture z-scans involving femtosecond near-infrared pulses. Beyond the established nonlinearity related to the insulator-metal phase transition of
Karl, Helmut, Mundry, Jan, Krenner, Hubert J., Betz, Markus   +3 more
core   +1 more source

Surface Plasmon Resonance Dependent Third-Order Optical Nonlinearities of Silver Nanoplates

Photonics, 2021
A systematic study of the surface plasmon resonance (SPR)-dependent nonlinear optical response of Ag nanoplates is presented and discussed. The Ag nanoplates were synthesized using the well-known seed-mediated growth method.
Marcello Condorelli, Vittorio Scardaci, Mario Pulvirenti, Luisa D’Urso, Fortunato Neri, Giuseppe Compagnini, Enza Fazio   +6 more
doaj   +1 more source

Ether-linked porphyrin covalent organic framework with broadband optical switch

iScience, 2021
Summary: It is still a challenge to design and synthesize novel switchable optical materials with ultrafast nonlinear optical (NLO) response in a broad spectral range.
Zhiwei Liu, Bin Zhang, Yuelin Huang, Yi Song, Ningning Dong, Jun Wang, Yu Chen   +6 more
doaj   +1 more source

Realizing Saturable Absorption and Reverse Saturable Absorption in a PEDOT:PSS Film via Electrical Modulation [PDF]

, 2020
Electrical tuning of the nonlinear absorption of materials has promising application potential, while studies remain rare. In this work, we show that the third-order nonlinear absorption of poly(3,4-ethylenedioxythiophene) chemically doped with poly ...
Diao, Mengjuan, Sun, Yanhui, Humphrey, Mark, Li, Hui, Hou, Ruipeng, Huang, Zhipeng, Zhang, Chi, Liang, Ying, Chi Zhang, Mark G. Humphrey, Zhipeng Huang, Ruipeng Hou, Mengjuan Diao, Yanhui Sun, Hui Li, Ying Liang   +15 more
core   +1 more source

Optical Saturable Absorption In Gold Nanoparticles

, 2008
In this work, we present the experimental study of the nonlinear absorption of gold nanospheres and nanorods in aqueous suspension, using picosecond white-light supercontinuum open-aperture Z-scan.
Wood, Erin Leigh, De Boni, Leonardo, Toro, Carlos, Hernandez, Florencio E.   +3 more
core   +2 more sources

Tunable nonlinear optical responses of few-layer graphene through lithium intercalation

Nanophotonics, 2021
Intercalation has been demonstrated to be a powerful tool for tuning the physical and chemical properties of two-dimensional (2D) materials, providing the highest possible doping level and an ideal system to study various electronic states. In this work,
Zhang Chenxi, Zeng Ganying, Zhang Renyan, Tang Yuxiang, Liu Qirui, Jiang Tian   +5 more
doaj   +1 more source