Results 31 to 40 of about 3,041,315 (395)
This paper presents a brief study of the two most commonly used topologies − segmented and traveling-wave − for realizing monolithically integrated electro-optical transmitters consisting of Si-photonics Mach-Zehnder modulators and their electrical ...
Alexandru Giuglea +7 more
semanticscholar +1 more source
Multi-user indoor optical wireless communication system channel control using a genetic algorithm [PDF]
A genetic algorithm controlled multispot transmitter is demonstrated that is capable of optimising the received power distribution for randomly aligned single element receivers in multiple fully diffuse optical wireless communications systems with ...
M.S. Leeson +7 more
core +1 more source
Receiver alignment dependence of a GA controlled optical wireless transmitter [PDF]
A genetic algorithm controlled multispot transmitter is demonstrated to be capable of optimizing the received power distribution for single element receivers in fully diffuse mobile indoor optical wireless systems.
Leeson, Mark S. +2 more
core +1 more source
An average bit error ratio (ABER) performance model for multiple phase shift keying (MPSK) based on a balanced detector with a fiber is presented in the free-space link for the first time.
Haifeng Yao +8 more
doaj +1 more source
Use of Negative Impedance Converters for Bandwidth Extension of Optical Transmitters
The design and advantages of a novel light emitting diode (LED) bandwidth extension technique, based on the adoption of negative impedance converters (NICs), are discussed in the context of visible light communication systems.
Amany Kassem, Izzat Darwazeh
doaj +1 more source
Synchronization of a WDM Packet-Switched Slotted Ring [PDF]
In this paper, we present two different strategies of slot synchronization in wavelength-division-multiplexing (WDM) packet-switched slotted-ring networks.
Carzaniga, D. +11 more
core +1 more source
The use of multiple transmitters in a turbulent free-space optical (FSO) communication link can enhance the systems performance because greater received power can improve receiver sensitivity. Nevertheless, the effect of having more power at the receiver
Jeremiah Oluwatosin Bandele +3 more
doaj +1 more source
Compact optical transmitters for CubeSat free-space optical communications
We present the results of an architectural trade study and prototype implementation of an optical transmitter suitable for resource-constrained CubeSats.
Ryan W Kingsbury +2 more
semanticscholar +1 more source
Recent Advances in Optical Sideband Transmitters
Optical single sideband (SSB) technique has recently attracted considerable attentions as an alternative transmitter for metro-haul applications. The optical SSB technique can double the spectral efficiency and is free from dispersion-induced power ...
Kim, Hoon +7 more
core +1 more source
Introductory survey for wireless infrared communications
Wireless infrared communications can be defined as the propagation of light waves in free space using infrared radiation whose range is 400–700 nm.
Munsif Ali Jatoi, Nidal Kamel
doaj +1 more source

