Results 21 to 30 of about 3,111,671 (229)

Study of millimeter wave phase shift in 40 GHz hybrid mode locked lasers [PDF]

, 2009
An investigation into using hybrid mode-locked lasers to implement millimeter wave phase shift is presented. The phase shift is measured directly using a vector network analyzer enabling straightforward characterization of such systems.
Cryan, MJ, Khawaja, BAM
core   +1 more source

Low-Threshold, Multiple High-Order Harmonics Fiber Laser Employing Cr₂Si₂Te₆ Saturable Absorber

Nanomaterials, 2023
Abundant research findings have proved the value of two-dimensional (2D) materials in the study of nonlinear optics in fiber lasers. However, there remains two problems: how to reduce the start-up threshold, and how to improve the damage threshold, of ...
Nannan Xu, Xinxin Shang, Shuo Sun, Fuhao Yang, Weiyu Fan, Huanian Zhang, Dengwang Li   +6 more
doaj   +1 more source

Passively mode-locked semiconductor lasers and their applications [PDF]

, 2008
In this paper we present some characterizations of passively mode-locked semiconductor lasers. These lasers are multimode and they exhibit a modulation of their output power even though they are DC-biased.
Frederic Surre, Surre, Frederic, Latkowski, Sylwester, Sylwester Latkowski, Pascal Landais, Landais, Pascal   +5 more
core   +2 more sources

Ultrashort-pulse generation from quantum-dot semiconductor diode lasers [PDF]

, 2008
In this thesis, novel regimes of mode locking in quantum dot semiconductor laser diodes have been investigated by exploiting the unique features offered by quantum dots.
Cataluna, Maria Ana
core   +2 more sources

MXene saturable absorber enabled hybrid mode-locking technology: a new routine of advancing femtosecond fiber lasers performance

Nanophotonics, 2020
MXene is a promising two-dimensional (2D) material that is widely used in electro-photonic devices due to its unique properties. In this contribution, V2CTx, a novel MXene, was employed as a saturable absorber (SA) for hybrid passively mode-locked fiber ...
Ma Chunyang, Huang Weichun, Wang Yunzheng, Adams Jordan, Wang Zhenhong, Liu Jun, Song Yufeng, Ge Yanqi, Guo Zhongyi, Hu Lanping, Zhang Han   +10 more
doaj   +1 more source

Noise-Like Square Pulses in Both Normal and Anomalous Dispersion Regimes

IEEE Photonics Journal, 2021
Noise-like square pulses (NLSPs) have been experimentally investigated in both normal and anomalous dispersion regimes. A chirped fiber Bragg grating (CFBG) has been employed as a dispersion management element in the compact linear-cavity mode-locked Yb ...
Tianhao Dong, Jiaqiang Lin, Chun Gu, Peijun Yao, Lixin Xu   +4 more
doaj   +1 more source

A millimetre wave phase shifter using a 40GHz hybrid mode locked laser [PDF]

, 2008
In this paper, electrical injection locking of a modelocked laser is used to create a millimetre wave phase shifter. The phase shift is measured directly using a vector network analyzer enabling straightforward characterization of such systems.
Martin J. Cryan, Cryan, MJ, Khawaja, BAM, Bilal A. Khawaja   +3 more
core   +1 more source

L-band filter-less wavelength tunable mode-locked fiber laser incorporating a long-period fiber grating

Results in Optics, 2023
The influences on the tuning range of a wavelength-tunable L-band mode-locked fiber lasers incorporating a long-period fiber grating (LPFG) are investigated.
Junjie Jiang, Yuehui Ma, Mingjiao Wang, Qianqian Huang, Lilong Dai, Zinan Huang, Yunqi Liu, Chengbo Mou   +7 more
doaj   +1 more source

Dynamics of carbon nanotube-based mode-locking fiber lasers

Nanophotonics, 2020
Carbon nanotube (CNT) can work as excellent saturable absorber (SA) due to its advantages of fast recovery, low saturation intensity, polarization insensitivity, deep modulation depth, broad operation bandwidth, outstanding environmental stability, and ...
Huang Lin, Zhang Yusheng, Liu Xueming
doaj   +1 more source

Relative Intensity Noise of Hybrid Mode-Locked Bound Soliton Fiber Laser: Theory and Experiment

Applied Sciences, 2018
Relative intensity noises (RIN) of mode-locked lasers are properties which are crucial for applications. In the literature, there have been plenty of theoretical/experimental studies on the RIN noises of passive/active single-pulse mode-locked lasers ...
Cheng-Jhih Luo, Yinchieh Lai
doaj   +1 more source