photonics

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photonics,

the science and technology based on and concerned with the controlled flow of photonsphoton
, the particle composing light and other forms of electromagnetic radiation, sometimes called light quantum. The photon has no charge and no mass. About the beginning of the 20th cent.
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, or light particles. It is the optical equivalent of electronicselectronics,
science and technology based on and concerned with the controlled flow of electrons or other carriers of electric charge, especially in semiconductor devices. It is one of the principal branches of electrical engineering.
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, and the two technologies coexist in such innovations as optoelectronic integrated circuits. Photonic applications include data storage (using optical disksoptical disk,
any of a variety of information storage disks that are played or read using a laser. Optical disks include compact discs (CDs and CD-ROMs), laser discs (see videodisc), and digital versatile discs (or digital video discs; DVDs and DVD-ROMs).
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 and holograms), data transmission (see fiber opticsfiber optics,
transmission of digitized messages or information by light pulses along hair-thin glass or plastic fibers. Each fiber is surrounded by a cladding having a high index of refractance so that the light is internally reflected and travels the length of the fiber
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), experimental optical computers, optical switches and light modulators (for signal processing and interconnection), and a photonic gyroscope used in commercial aircraft that has no moving parts.

photonics

[fō′tän·iks]
(electronics)
The electronic technology involved with the practical generation, manipulation, analysis, transmission, and reception of electromagnetic energy in the visible, infrared, and ultraviolet portions of the light spectrum. It contributes to many fields, including astronomy, biomedicine, data communications and storage, fiber optics, imaging, optical computing, optoelectronics, sensing, and telecommunications. Also known as optoelectronics.

photonics

The science of generating and transmitting light (photons). Photonics deals with light starting in the infrared range, through visible light to ultraviolet light at the highest frequency. Most photonic systems use electricity and electronic circuits as their source of energy. See optoelectronics, silicon photonics and spectrum.


Not Really
Photonics was predicted to become mainstream by 2005, as this article from PC Magazine in 1995 forecast. Light-based computers have yet to materialize; however, today's PCs have long exceeded these storage and RAM projections.
References in periodicals archive ?
Currently, innovations in silicon photonics are driven by the convergence of optical and electronic capabilities on a single chip.
To support the emerging Silicon Photonics eco-system, NeoPhotonics has developed and qualified to the Telcordia GR-468-CORE Issue 2 standard, a line of high power, uncooled lasers and laser arrays for several industry-leading Silicon Photonics transceiver manufacturers.
The silicon photonics technology offers a cost-effective and reliable solution to commercial applications.
The following companies are the key players in the global silicon photonics market: Luxtera, and Mellanox Technologies.
The device brings researchers closer to producing silicon photonic chips that compute and shuttle data with light instead of electrons.
The superior performance of Luxtera's Silicon Photonics PSM4 solution allows for error-free operation without FEC, enabling key latency benefits over alternative copper wire and multimode fiber solutions.
The silicon photonics market report analyzes the ecosystem of the silicon photonics technology; and the key market, by product, includes silicon photonic waveguides, silicon optical modulators, silicon optical interconnects, wavelength division multiplexer filters, silicon led, silicon photo-detectors, and others.
Based on singlemode silicon photonics technology, Molex AOC assemblies for the zCD connector deliver 16 bi-directional channels operating at up to 28 Gbps, or 400 Gbps of bandwidth, in a compact standard interface.
2 ( ANI ): Researchers have made a breakthrough in the field of silicon photonics which could help in the development of faster electronics.
The movement to tap silicon photonics as an underlying technology for higher performance, low-power consumption datacenters is well underway.
Typically, in silicon photonics there would be different sized ring resonators(3) to generate optical signals for each wavelength.