optical transmission


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optical transmission

The amount of light that passes through a laboratory specimen. It can be used to measure the concentration of components in the specimen (e.g., the amount of solute contained in a solution).
See also: optical
References in periodicals archive ?
Huawei's coherent CDMA metro optical transmission prototype supports access of 32 nodes on a single wavelength, to allow the same wavelength to be shared by multiple nodes by allocating different orthogonal spreading codes to each node.
After the optical transmission path, a modeling is going on by a demodulator block, in which the signal after passing through the optical path model is entering [12-15].
The key technologies that enabled ultra-high speed optical transmission of 400Gbps-class/channel are as follows.
The optical transmission network to be constructed will pass through Hubei and Sichuan provinces and Chongqing Municipality, covering 55 stations and 1,500 kilometres.
TOKYO -- Fujitsu Limited (Fujitsu), Nippon Telegraph and Telephone Corporation (NTT) and NEC Corporation (NEC) today announced the commencement of joint research and development toward making the world's top-level,400Gbps/channel-class digital coherent optical transmissions technology (*1).
As a pioneer in Beyond-100G technology, ZTE has been creating new 400G single-carrier transmission records to lay a solid foundation for researches on single-carrier higher-rate optical transmission technologies.
The joint research will enable ultra-high-speed 400Gbps-class optical transmissions through the use of dual-polarization quadrature phase shift keying (DP-QPSK)(3), which is currently in use for 100Gbps transmissions, together with dual-polarization 16 quadrature amplitude modulation (DP-16QAM)(4), which takes advantage of an even greater number of quadrature carriers.
The 1FINITY platform is a new optical transmission system that disaggregates each function-transport, lambda, switch, and access-into individual 1RU(4) blades.
The dissemination of optical access networks that directly connect households via optical fibers and the construction of next generation networks have led to a increasing demand for greater capacity in inter-city optical transmission networks.
The second technology enables the wireless system to automatically choose between optical transmission and radio transmission, depending on application environments.
LightPointe, a designer and manufacturer of carrier-class optical transmission equipment using Free-Space Optical (FSO) technology, has announced a strategic alliance with Texas Instruments, enabling development of new FSO systems.
Funds to Accelerate Deployments of 40 Gbps Optical Transmission Systems
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