Optical link forgoes constricting fiber, finds bliss in free space

Schweber, Bill
March 2000
EDN;03/16/2000, Vol. 45 Issue 6, p48
Trade Publication
Discusses how to achieve point-to-point optical data links at data transmission rates of one gigabit per second. Use of line-of-sight, free-space optical link as an alternative to optical data links using fiber optics; Representatives of free-space systems that are available in the market. INSET: AN ANCIENT IDEA SIGNIFICANTLY UPGRADED..


Related Articles

  • Optical wireless: Increasing speeds, dropping prices. Ziobron, Betsy // Cabling Installation & Maintenance;Jan2007, Vol. 15 Issue 1, p29 

    The article reports on a free space optics (FSO) system used as a typical wireless data communication. FSO is a line-of-sight technology that uses beam of light instead of radio waves to provide a point-to-point means of connectivity through the air. Since FSO was first used by the military to...

  • Switching of Hybrid FSO/RF Link Using Fog Sensor. Tatarko, Matúš; Ovseník, Ľuboš; Turán, Ján // Carpathian Journal of Electronic & Computer Engineering;2014, Vol. 7 Issue 2, p11 

    The paper describe a new method for switching in hybrid Free Space Optics/ Radio Frequency (FSO/RF) link based on use of simple Fog Sensor. Fog Sensor operation principle is described with experimental method of how to do switching between FSO and RF link in hybrid transmission system. Results...

  • Improve the Bit Error Rate Performance of Free Space Optical Communication Due To Atmospheric Turbulence Effect through the Robust Modulation. Rahman, A. K.; Aljunid, S. A.; Anuar, M. S.; Fadhil, H. A. // Applied Mechanics & Materials;2014, Vol. 699, p942 

    This paper focus on improvement bit error rate (BER) performance due to atmospheric turbulence effect in free space optical communication (FSOC) using new modulation technique that is dual diffuser modulation (DDM) technique. This technique uses two transmitter and differential mode detection at...

  • BER Performance Analysis of MIMO-CPolSK Using on Free-Space Optical Communications. Yiming Lin; Xueguang Yuan; Yangan Zhang; Jinnan Zhang // Applied Mechanics & Materials;2014, Vol. 631-632, p856 

    Enslaved by atmospheric turbulence and transmission power, performance of Free-space Optical Communication (FSO) fluctuates greatly. A new communication system of MIMO-CPolSK combined the MIMO system and CPolSK modulation is proposed in this paper. According to the strength of turbulence,...

  • Free Space Optical Communication: A Study. Singh, Rashmi; Kandariya, Akhilesh // IUP Journal of Telecommunications;May2019, Vol. 11 Issue 2, p16 

    The paper explorers Free Space Optical (FSO) communication with its flashes and corns. FSO technology is useful where the physical connection is impractical due to high cost or other considerations, and in most cases, optical data transmission is done via optical fibers, because it allows...

  • Unified performance of free space optical link over exponentiated Weibull turbulence channel. Agarwal, Deepti; Bansal, Ankur // IET Communications;12/17/2018, Vol. 12 Issue 20, p2568 

    This study investigates the unified performance of a free space optical link with a finite-sized receiver over an exponentiated Weibull distributed atmospheric turbulence in the presence of a misalignment error (ME). The unification is done for two detection techniques namely heterodyne and...

  • Performance analysis of FSO/CDMA system based on binary symmetric wiretap channel. Jianhua Ji; Xuemei Chen; Qian Huang // IET Communications;2019, Vol. 13 Issue 1, p116 

    Transmission reliability, security, and efficiency are of great importance to free space optical (FSO) communication. For the first time, the authors obtain optimal parameters for the FSO/code division multiple access (CDMA) system taking into account the transmission reliability, security, and...

  • Two-dimensional encryption system for secure free-space optical communication of time-series data streams. Ikeda, K.; Sato, Y.; Koyama, O.; Yamada, M. // Electronics Letters;6/27/2019, Vol. 55 Issue 13, p752 

    The importance of encryption in free-space optical communication systems has been increasing due to their widespread use. Herein, for the first time, the authors propose a novel two-dimensional encryption system for free-space optical communication using two spatial patterns as encryption keys....

  • New transport methods. McNamara, Kevin // Radio Magazine;Jan2004, Vol. 10 Issue 1, p10 

    Provides information on several data transport technologies. Background on the wireless microwave systems; Features of free-space optics; Applications of the technologies.

  • Using Multiple Input Multiple Output as Hybrid Free Space Optics/Radio Frequency Links. Tatarko, Matúš; Ovseník, Ľuboš; Turán, Ján // Carpathian Journal of Electronic & Computer Engineering;2013, Vol. 6 Issue 1, p68 

    This paper describes overview and definitions about Multiple Input Multiple Output (MIMO) formats which can be used in hybrid Free Space Optics/Radio Frequency (FSO/RF) links. Free space optical links allow obtain high speed data transmission without optical fibers. This type of communication is...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics