Results 31 to 40 of about 34,641 (302)

Anomalous Behaviors of Spin Waves Studied by Inelastic Light Scattering

Crystals, 2019
Magnonics, an emerging research field, aims to control and manipulate spin waves in magnetic materials and structures. However, the current understanding of spin waves remains quite limited.
Hua-Yi Hou, Ming Yang, Jin Qiu, In-Sang Yang, Xiang-Bai Chen   +4 more
doaj   +1 more source

Cost efficient narrow linewidth laser transmitter for coherent detection [PDF]

, 2008
Authors present a cost efficient narrow linewidth laser transmitter for future coherent detection systems. The spectral purity of the laser allows the phase modulation of data signals at bit rates as low as 155 Mb ...
Kelly, Brian, Anandarajah, Prince M., J. O'Gorman, A. Kaszubowska-Anandarajah, R. Phelan, Ellis, A.D., O'Gorman, J., Phelan, Richard, Perry, Philip, P. Perry, P. Anandarajah, Reid, Douglas A., Barry, Liam P., A. Mishra, O\u27Gorman, J., D. Reid, A. Ellis, Kaszubowska-Anandarajah, Aleksandra, Mishra, A.K., B. Kelly, O'Gorman, James, L. Barry   +21 more
core   +1 more source

Experimental Investigation on Spectral Linewidth and Relative Intensity Noise of High-Power Single-Frequency Polarization-Maintained Thulium-Doped Fiber Amplifier

IEEE Photonics Journal, 2016
We investigate the spectral linewidth and relative intensity noise (RIN) of an all-fiber single-frequency polarization-maintained master oscillator and power amplifier at 1925 nm.
Haiwei Zhang, Yang Cao, Wei Shi, Quan Sheng, Xiaolei Bai, Shijie Fu, Jianquan Yao   +6 more
doaj   +1 more source

Spectral behavior of long wavelength VCSELs [PDF]

, 2008
For a long time, only a small wavelength range of Vertical-Cavity Surface-Emitting Lasers (VCSEL) was available. The current evolution in process technology allows the fabrication of long wavelength VCSEL that is interesting for Telecom systems because ...
Bacou, Alexandre, Rissons, Angélique, Mollier, Jean-Claude   +2 more
core   +1 more source

Characterization of a novel three-section tunable slotted fabry-perot laser [PDF]

, 2010
A novel three-section tunable slotted-Fabry-Perot laser has been examined. Characterizations of the linewidth, SMSR and RIN indicate that this type of laser may be a suitable source for dynamic networks employing advanced optical modulation ...
Smyth, Frank, J.H. Song, O'Brien, P., K. Shi, Roycroft, Brendan, Corbett, Brian, Song, J.H., F. Smyth, B. Roycroft, Reid, Douglas A., Barry, Liam P., P. O’Brien, D. Reid, B. Corbett, F. H. Peters, O\u27Brien, P., Shi, Kai, Peters, F.H., L. P. Barry   +18 more
core   +1 more source

Effects of Linewidth Broadening Method on Recoil of Sodium Laser Guide Star

Atmosphere, 2021
The linewidth broadening of the circular-polarized continuous wave laser mitigates the recoil effects of the sodium laser guide star very well. By choice of the optimal laser linewidth, the relations between the laser intensity and average spontaneous ...
Xiangyuan Liu, Xianmei Qian, Rui He, Dandan Liu, Chaolong Cui, Chuanyu Fan, Hao Yuan   +6 more
doaj   +1 more source

A 20 W, Less-Than-1-kHz Linewidth Linearly Polarized All-Fiber Laser

Applied Sciences, 2018
We report a continuous-wave high-output power and narrow-linewidth all-fiber laser at 1550 nm with the master oscillator power amplifier (MOPA) configuration. An all-fiber distributed feedback seed laser was boosted by three cascaded fiber amplifiers. In
Mingyuan Xue, Cunxiao Gao, Linquan Niu, Shaolan Zhu, Chuandong Sun, Jian Zhang, Haodong He   +6 more
doaj   +1 more source

Applications of 19F-NMR in Fragment-Based Drug Discovery

Molecules, 2016
19F-NMR has proved to be a valuable tool in fragment-based drug discovery. Its applications include screening libraries of fluorinated fragments, assessing competition among elaborated fragments and identifying the binding poses of promising hits.
Raymond S. Norton, Eleanor W. W. Leung, Indu R. Chandrashekaran, Christopher A. MacRaild   +3 more
doaj   +1 more source

Characterization and Direct Modulation of a Multi-Section PIC Suited for Short Reach Optical Communication Systems

Photonics, 2020
A multi-section active photonic integrated circuit (PIC) is characterized in detail to gauge its suitability as a transmitter for short reach applications.
Mohab N. Hammad, Aleksandra Kaszubowska-Anandarajah, M. Deseada Gutierrez Pascual, Pascal Landais, Prajwal D. Lakshmijayasimha, Gaurav Jain, Prince M. Anandarajah   +6 more
doaj   +1 more source

Linewidth narrowing in free-space-running diamond Brillouin lasers

High Power Laser Science and Engineering, 2023
This study analyzes the linewidth narrowing characteristics of free-space-running Brillouin lasers and investigates the approaches to achieve linewidth compression and power enhancement simultaneously.
Duo Jin, Zhenxu Bai, Zhongan Zhao, Yifu Chen, Wenqiang Fan, Yulei Wang, Richard P. Mildren, Zhiwei Lü   +7 more
doaj   +1 more source