Results 11 to 20 of about 14,209,054 (299)

High power fiber sources: more than kilowatts [PDF]

, 2007
Fiber lasers and amplifiers have reached several kilowatts of output power, and offer many attractions beyond raw power. This tutorial discusses basic scientific and practical issues of fiber sources, and advantages and limitations that derive from ...
Nilsson, J., Johan Nilsson
core   +2 more sources

Detection of the Information Leakage Channel from Multimode Optical Fiber Using a Silicone Photomultiplier

Доклады Белорусского государственного университета информатики и радиоэлектроники, 2022
Currently, fiber-optic communication lines are widely used for data transmission. Despite the fact that the information signal propagates inside the optical fiber, covered with a protective shell, there are various ways to form information leakage ...
I. R. Gulakov, A. O. Zenevich, O. V. Kochergina, T. A. Matkovskaia   +3 more
doaj   +1 more source

A QoE-Aware Energy Supply Scheme over a FiWi Access Network in the 5G Era

Sensors, 2020
Integrated fiber-wireless (FiWi) should be regarded as a promising access network architecture in future 5G networks, and beyond; this due to its seamless combination of flexibility, ubiquity, mobility of the wireless mesh network (WMN) frontend with a ...
Chao He, Ruyan Wang
doaj   +1 more source

74.7% Efficient GaAs-Based Laser Power Converters at 808 nm at 150 K

Photonics, 2022
High-efficiency multijunction laser power converters are demonstrated for low temperature applications with an optical input at 808 nm. The photovoltaic power converting III-V semiconductor devices are designed with GaAs absorbing layers, here with 5 ...
Simon Fafard, Denis P. Masson
doaj   +1 more source

An Optically Powered Radio over Fiber Remove Unit using Wavelength Division Multiplexing [PDF]

, 2008
Power over fiber and radio over fiber transmission have been combined in a single optical fiber using wavelength division multiplexing for the first time.
C. Lethien, C. Sion, Lethien, C., Lethien, Christophe, Vilcot, Jean-Pierre, Gomes, N.J., Sion, C., D. Wake, Wake, David, Gomes, Nathan J., N.J. Gomes, J.-P. Vilcot, Wake, D.   +12 more
core   +1 more source

Fiber MOPAs with high control and high power [PDF]

, 2008
High power fiber sources have reached several kilowatts of output power, and are now leading contenders for many applications. Important attractions include control, efficiency, manufacturability, and reliability.
M. S. Z. Abidin, J.-N. Maran, Nilsson, J., Abidin, M.S.Z., Maran, J.-N., Codemard, C.A., Y. Jeong, Dupriez, P., Richardson, D.J., Farrell, C., Yoo, S., S. Yoo, Payne, D.N., Jeong, Y., J. Nilsson, J. Ji, J. K. Sahu, Ji, J., C. Farrell, D. J. Richardson, C. A. Codemard, P. Dupriez, Sahu, J.K., D. N. Payne   +23 more
core   +2 more sources

Vertical Multi-Junction Laser Power Converters with 61% Efficiency at 30 W Output Power and with Tolerance to Beam Non-Uniformity, Partial Illumination, and Beam Displacement

Photonics, 2023
Stable and reliable optical power converting devices are obtained using vertical multi-junction laser power converters. They are based on the GaAs and the InP material systems and are used for power-over-fiber or power-beaming applications.
Simon Fafard, Denis Masson
doaj   +1 more source

Power and Spectral Range Characteristics for Optical Power Converters

Energies, 2021
High-performance optical power converters (OPCs) enable isolated electrical power and power beaming applications at new wavelengths and higher output powers.
Simon Fafard, Denis Masson, Jan-Gustav Werthen, James Liu, Ta-Chung Wu, Christian Hundsberger, Markus Schwarzfischer, Gunther Steinle, Christian Gaertner, Claudio Piemonte, Bernd Luecke, Josef Wittl, Martin Weigert   +12 more
doaj   +1 more source

High-Efficiency and High-Power Multijunction InGaAs/InP Photovoltaic Laser Power Converters for 1470 nm

Photonics, 2022
The high-efficiency capabilities of multijunction laser power converters are demonstrated for high-power applications with an optical input of around 1470 nm. The InP-based photovoltaic power converting III-V semiconductor devices are designed here, with
Simon Fafard, Denis P. Masson
doaj   +1 more source

Photonic Generation and Transmission of 2 Gbit/s Power-Efficient Impulse Radio for OOK Modulated Ultrawideband over Fiber System [PDF]

, 2012
We propose and demonstrate a flexible and high-speed impulse radio ultrawideband (IR-UWB) over fiber system using various modulation schemes. Two kinds of fully Federal Communication Commission (FCC) compliant UWB pulses are produced, which is based on ...
Yu, Hongchen, Wang, Xu, Xie, Shizhong, Chen, Hongwei, Li, Pengxiao, Chen, Minghua   +5 more
core   +1 more source