Results 11 to 20 of about 356 (134)

High-repetition-rate ultrafast fiber lasers enabled by BtzBiI₄: a novel bismuth-based perovskite nonlinear optical material. [PDF]

Nanophotonics
Abstract Recent advances in perovskite crystals have highlighted their exceptional optical properties, making them promising candidates for a wide range of photonic applications. However, the exploration of high‐repetition‐rate laser systems based on these materials remains underdeveloped, hindering their potential in ultrafast laser technologies and ...
Du X, Liu C, Ding Z, Zhao Y, Zhu C, Wang Y, Wang P.   +6 more
europepmc   +2 more sources

Two Stage Three Pass EDFA Design and EDFA Parameters’ Optimization

Gazi Üniversitesi Fen Bilimleri Dergisi, 2020
In this study, two stage and triple pass erbium doped fiber amplifier (EDFA) is designed and EDFA’s input signal wavelengths and powers, erbium doped fiber (EDF) lengths, and pump laser powers are optimized.
Murat YÜCEL, Emrah Yiğit
doaj   +1 more source

A Multi-Layer Erbium-Doped Air-Hole-Assisted Few-Mode Fiber with Ultra-Low Differential Modal Gain

Photonics, 2022
The air-hole assisted few-mode fiber (AH-FMF) enables modal intensity balance and offers a profound prospect in gain equalization with the combination of adaptive ion doping.
Zhiqi Li, Li Pei, Jingjing Zheng, Jianshuai Wang, Wenxuan Xu, Tigang Ning, Jing Li   +6 more
doaj   +1 more source

Hyperspectral Coherent Raman Scattering (CRS) Microscopy Based on a Rapidly Tunable and Environmentally Stable Fiber Laser

Laser &Photonics Reviews, Volume 17, Issue 12, December 2023., 2023
Hyperspectral Coherent Raman Scattering microscopy is capable of distinguishing molecules in complex heterogeneous systems by probing multiple Raman resonances. A rapidly tunable two‐color fiber laser is demonstrated. The superior noise performance of this system is evaluated by the side‐by‐side comparison with data from a commercial optical parametric
Cihang Kong, Christian Pilger, Manuel Kunisch, Christine Förster, Jan Schulte am Esch, Thomas Huser   +5 more
wiley   +1 more source

Preparation of amorphous silicon-doped Y₂O₃ aerogel enabling nonlinear optical features for ultrafast photonics. [PDF]

Nanophotonics
Abstract Amorphous aerogels with the microscopic nanoscale three‐dimensional meshes provide superb platforms for investigating unique physicochemical properties. In order to enhance the physical, thermal and mechanical performances, one efficient and common approach is integrating diverse functional materials.
Zhao Q, Chu H, Pan Z, Liu B, Pan H, Zhao S, Li D.   +6 more
europepmc   +2 more sources

Emerging 2D Materials with Nonparabolic Bands for Ultrafast Photonics

Small Science, Volume 3, Issue 10, October 2023., 2023
Materials with nonparabolic bands focus on different applications in ultrafast photonics, such as ultrafast carrier dynamics and nonlinear optical response. Linear dispersive Dirac bands have massless electrons like a photon, while nondispersive flat bands host electrons with an infinite mass.
Guanyu Liu, Zhengwei Cui, Fangteng Zhang, Youjun Zeng, Weicheng Chen, Yuxian Liu, Zhaogang Nie, Qiaoliang Bao   +7 more
wiley   +1 more source

Chaotic Internal Dynamics of Dissipative Optical Soliton Molecules

Laser &Photonics Reviews, Volume 17, Issue 8, August, 2023., 2023
Can the analogy between optical soliton molecules and matter molecules be further developed? Do optical soliton molecules allow low‐dimensional chaos? An ultrafast fiber laser experiment with advanced characterization demonstrates bifurcations leading to chaotic relative motions of the bound optical solitons.
Youjian Song, Defeng Zou, Omri Gat, Minglie Hu, Philippe Grelu   +4 more
wiley   +1 more source

Wideband and flat gain series erbium doped fiber amplifier using hybrid active fiber with backward pumping distribution technique

Results in Physics, 2019
A modern wideband and flat gain erbium-doped fiber amplifier (EDFA) is suggested and accomplished, by employing a recently fabricated hafnia-bismuth-erbium doped fiber (HB-EDF) and zirconia-erbium doped fiber (Zr-EDF) as a hybrid active fiber.
Alabbas A. Al-Azzawi, Aya A. Almukhtar, B.A. Hamida, S. Das, A. Dhar, M.C. Paul, H. Ahmad, S.W. Harun   +7 more
doaj   +1 more source

Unveiling Laser Radiation of Multiple Optical Solitons by Nonlinear Fourier Transform

Laser &Photonics Reviews, Volume 17, Issue 7, July 2023., 2023
Nonequilibrium multiple soliton dynamics and all‐optical control of multiple solitons drifting are revealed by coherent homodyne detection and nonlinear Fourier transform (NFT) technique, further extending the application of the NFT to the analysis of laser radiation.
Yi Zhou, Gai Zhou, Yuwen Qin, Songnian Fu, Alan Pak Tao Lau, Kenneth K. Y. Wong   +5 more
wiley   +1 more source

Femtosecond Frequency Combs with Few‐kHz Passive Stability over an Ultrabroadband Spectral Range

Laser &Photonics Reviews, Volume 17, Issue 7, July 2023., 2023
The noise properties of fiber‐based frequency combs are studied in a wide parameter range. In specific regions, the free‐running linewidth of the carrier‐envelope offset frequency drops below 1 kHz. All relevant contributions to the phase noise and their interplay are identified.
Sarah R. Hutter, Ali Seer, Tilman König, Robert Herda, Daniel Hertzsch, Hannes Kempf, Rafal Wilk, Alfred Leitenstorfer   +7 more
wiley   +1 more source