Results 21 to 30 of about 14,208,880 (298)

Power-over-Fiber with Simultaneous Transmission of Optical Carrier for a High Frequency Analog Signal over Standard Single-Mode Fiber

open access: yesPhotonics, 2022
Efficient simultaneous transmission of light with a power of more than 2 W at a wavelength of 976 nm and an optical carrier for transmitting a high-frequency analog signal at a wavelength of 1550 nm over a distance of 1 km over a standard single-mode ...
Andrei Varlamov   +6 more
doaj   +1 more source

Power-over-Fiber for C-RAN and 6G Networks

open access: yesAdvanced Photonics Congress 2023, 2023
Different scenarios are reported to demonstrate the feasibility of Power over Fiber (PoF) integration with Analog Radio over Fiber (ARoF) systems in 5G C-RAN networks with optical fronthauling. PoF extension to 6G networks is discussed.
Sánchez Montero, David Ricardo   +4 more
openaire   +2 more sources

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

open access: yes, 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   +5 more
core   +1 more source

High power cladding-pumped Raman fiber laser with true single-mode output at 1660 nm

open access: yes, 2006
We report a 10 W continuous-wave cladding-pump Raman fiber laser with single-mode output at 1660 nm pumped by a high-power Er:Yb fiber amplifier. The laser threshold was 6.5 W and its slope efficiency was 67%
Jeong, Y.   +11 more
core   +2 more sources

Compact high-power tunable three-level operation of double cladding Nd-doped fiber laser [PDF]

open access: yes, 2005
We present a compact high-power continuous-wave tunable neodymium-doped double cladding fiber laser operating on three-level 4F3/2 - 4I9/2 transition with a maximum output power up to 810 mW.
Nilsson, J.   +5 more
core   +1 more source

321W average power, 1GHz, 20ps 1060nm pulsed fiber MOPA source [PDF]

open access: yes, 2005
Pulses from a gain-switched laser diode were amplified in a fiber MOPA system to produce in excess of 320W of average power in 20ps pulses at 1GHz repetition rate at ...
Jeong, Y.   +9 more
core   +2 more sources

Welding with high power fiber lasers - A preliminary study. [PDF]

open access: yes, 2007
The new generation of high power fiber lasers presents several benefits for industrial purposes, namely high power with low beam divergence, flexible beam delivery, low maintenance costs, high efficiency and compact size.
Costa, A.   +5 more
core   +1 more source

Statistical Distribution of EVM Measurements for Direct-Modulation Radio-Over-Fiber Links Transporting OFDM Signals [PDF]

open access: yes, 2013
The effect of distortion on the error vector magnitude (EVM) performance of orthogonal frequency-division multiplexing (OFDM) signals with different numbers of subcarriers and the connection to the peak-to-average power ratio (PAPR) of such signals is ...
Nkansah, Anthony   +3 more
core   +1 more source

High average power, high energy, femto-second fiber chirped pulse amplification system [PDF]

open access: yes, 2007
We have demonstrated an Yb-fiber laser system incorporating a CFBG stretcher, bandwidth optimised amplifiers and dielectric grating compressor. The system produced 135 W average power with pulse energy of 13.5 µJ.
M. Ibsen   +19 more
core   +2 more sources

Power over Fiber in Radio over Fiber Systems in 5G Scenarios [PDF]

open access: yes2019 21st International Conference on Transparent Optical Networks (ICTON), 2019
5G verticals needs of dedicated power architectures for providing efficient systems. Some schematics and measurements on optical power delivery to remote nodes in 5G scenarios are described. Different types of optical fibers including plastic and silica optical fibers are considered.
Carmen Vázquez 0001   +5 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy