Results 11 to 20 of about 527,604 (294)

Recent Developments of Quantum Dot Materials for High Speed and Ultrafast Lasers

Nanomaterials, 2022
Owing to their high integration and functionality, nanometer-scale optoelectronic devices based on III-V semiconductor materials are emerging as an enabling technology for fiber-optic communication applications.
Zhonghui Yao, Cheng Jiang, Xu Wang, Hongmei Chen, Hongpei Wang, Liang Qin, Ziyang Zhang   +6 more
doaj   +1 more source

Fabrication of amorphous Al2O3 optical film with various refractive index and low surface roughness

Materials Research Express, 2020
Alumina(Al _2 O _3 ) thin film has been widely used in many applications due to its excellent properties, especially in optical films and semiconductor industries.
Yunping Lan, Yonggang Zou, Xiaohui Ma, Li Xu, Linlin Shi, Jiabin Zhang   +5 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
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Review of Issues and Solutions in High-Power Semiconductor Laser Packaging Technology

Frontiers in Physics, 2021
In the past 20 years, semiconductor lasers have been widely used in medical, industrial, and communication applications, providing a revolutionary and powerful platform for the fifth generation and advanced manufacturing.
Yixiong Yan, Yu Zheng, Haigang Sun, Ji’an Duan   +3 more
doaj   +1 more source

Interband cascade lasers for the mid-infrared spectral region [PDF]

, 2014
Financial support of this work by the German Ministry of Education and Research (FKZ: 13N12440) and by the European Commission in the framework of the FP7 project 'WideLase’ (grant no.
Dallner, M., S. Höfling, M. Dallner, R. Weih, Weih, R., Hoefling, S., Kamp, M., M. Kamp   +7 more
core   +1 more source

Preface for Special Issue: Advancements in Semiconductor Lasers

Photonics, 2023
We are delighted to present this Special Issue of “Advancements in Semiconductor Lasers”, which features a remarkable collection of 14 papers that explore the diverse and cutting-edge aspects of semiconductor lasers [...]
Yanhua Hong, Cristina Masoller, Min Won Lee   +2 more
doaj   +1 more source

Passivation Effect on ZnO Films by SF₆ Plasma Treatment

Crystals, 2019
The passivation effects of SF6 plasma on zinc oxide (ZnO) films prepared by magnetron sputtering were researched. After the SF6 plasma passivation of ZnO films, the grain size increases, there is low surface roughness, and a small amount of Zn-F bonds ...
Yumeng Xu, Baoxue Bo, Xin Gao, Zhongliang Qiao   +3 more
doaj   +1 more source

One- and two-photon pumped organic semiconductor lasers [PDF]

, 2009
This thesis describes a number of studies on organic semiconductors focused around using them as gain media for lasers. The photophysical properties of organic semiconductors are studied using a wide range of experimental techniques, allowing the ...
Tsiminis, Georgios, Skabara, P., Samuel, I., Turnbull, G., Samuel, Ifor David William, Shaw, P., Perepichka, Igor F., Kanibolotsky, A.L., Dawson, M., Kanibolotsky, Alexander L., Perepichka, I., Paul E. Shaw, Graham A. Turnbull, Turnbull, Graham A., Samuel, Ifor D. W., Skabara, P.J., Wang, Yu, Ifor D. W. Samuel, Tsiminis, G., Kanibolotsky, A., Georgios Tsiminis, Alexander L. Kanibolotsky, Igor F. Perepichka, Shaw, Paul Edward, Martin D. Dawson, Wang, Yue, Dawson, M.D., Perepichka, I.F., Skabara, Peter J,, Shaw, Paul E., Skabara, Peter J., Peter J. Skabara, Wang, Y., Dawson, Martin D., Yue Wang, Samuel, Ifor David William; id_orcid, Turnbull, Graham A.; id_orcid   +36 more
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Evaluation of Performance Enhancement of Optical Multi-Level Modulation Based on Direct Modulation of Optically Injection-Locked Semiconductor Lasers

Photonics, 2021
The performance of optical M-level (multi-level) amplitude shift keying (ASK) modulation is improved by directly using modulated optically injection-locked (OIL) semiconductor lasers.
Hyo-Sang Jeong, Jun-Hyung Cho, Hyuk-Kee Sung   +2 more
doaj   +1 more source

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