Results 11 to 20 of about 2,321,906 (295)

Linearization techniques to suppress optical nonlinearity [PDF]

open access: yes, 2009
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis is shown the implementation of the linearization techniques such as feedforward and pre-distortion feedback linearization to suppress the ...
Tabatabai, Farbod
core   +7 more sources

Packet equalisation in PONs using adjustable gain-clamped semiconductor optical amplifiers (AGC-SOA) [PDF]

open access: yes, 2011
The past ten years have witnessed a dramatic growth in the delivery of high bandwidth services through Passive Optical Networks (PONs), directly to the home or to the kerb.
Michie, Walter   +3 more
core   +4 more sources

Characterization of the semiconductor optical amplifier for amplification and photonic switching employing the segmentation model [PDF]

open access: yes, 2008
This paper characterizes the gain and the carrier density responses of a semiconductor optical amplifier (SOA). In order to achieve the switching functions in SOA-based optical switches, such as Symmetric Mach-Zehnder (SMZ), the effect of the input ...
Ghassemlooy, Zabih   +11 more
core   +1 more source

Solid state optical conjugated polymer amplifier; with ultrafast gain switching [PDF]

open access: yes, 2008
Conjugated polymers are organic materials which are attractive as optoelectronic devices because they have a combination of broad band emission, high gain, versatility in processing, are ductile and can be electrically pumped.
Amarasinghe, Dimali C. V.
core   +2 more sources

Polarization resolved four-wave-mixing-based measurement in bulk material semiconductor optical amplifier [PDF]

open access: yes, 2006
The anticipated growth in demand for bandwidth leads to the development of all-optical signal processing techniques at ever increasing data rates. One possible candidate to achieve the required performance is the semiconductor optical amplifier (SOA). It
S. Philippe   +9 more
core   +2 more sources

51.5 W monolithic single frequency 1.97 $\mathrm {\mu} $m Tm-doped fiber amplifier

open access: yesHigh Power Laser Science and Engineering, 2013
We demonstrate a monolithic single frequency Tm-doped fiber amplifier with output power of 51.5 W. A single frequency fiber laser at 1.97 $\mathrm {\mu} $m is amplified by a cascaded master oscillator power amplifier (MOPA) system with all-fiber ...
Xiong Wang   +4 more
doaj   +1 more source

Loop Mirror Multi-wavelength Brillouin Fiber Laser Utilizing Semiconductor Optical Amplifier and Fiber Bragg Grating

open access: yesMATEC Web of Conferences, 2017
In this paper, the development of loop mirror multi-wavelength Brillouin fiber laser utilizing semiconductor optical amplifier and fiber Bragg grating is successfully demonstrated. A multi-wavelength BFL structure employs a single mode fiber that acts as
Idris N. A.   +5 more
doaj   +1 more source

A High-Energy, 100 Hz, Picosecond Laser for OPCPA Pumping

open access: yesApplied Sciences, 2017
A high-energy diode-pumped picosecond laser system centered at 1064 nm for optical parametric chirped pulse amplifier (OPCPA) pumping was demonstrated. The laser system was based on a master oscillator power amplifier configuration, which contained an Nd:
Hongpeng Su   +5 more
doaj   +1 more source

Analytical Model of Pulse Amplification inErbium Doped Fiber Amplifier

open access: yesMuthanna Journal of Pure Science, 2020
Doping a part of the optical fiber core by (Er3+ ) ions in presence of external pumping power will lead to form the erbium-doped fiber amplifier (EDFA).The performance of this optical amplifier depends on (the power and the wavelength of the pumping ...
Muhammed. R. Harb
doaj   +1 more source

The Miniature Optical Communication Transceiver—A Compact, Power-Efficient Lasercom System for Deep Space Nanosatellites

open access: yesAerospace, 2018
Optical communication is becoming more prevalent in orbit due to the need for increased data throughput. Nanosatellites, which are satellites that typically weigh less than 10 kg, are also becoming more common due to lower launch costs that enable the ...
Nathan Barnwell   +5 more
doaj   +1 more source

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