Photonics - WikipediaNot a MyNAP member yet? Register for a free account to start saving and receiving special member only perks. Optics and photonics are technical enablers for many areas of the economy, and dramatic technical advances have had a major impact on daily life. For example, in the last decade, advances in optical fiber communications have permitted a nearly fold increase in the amount of information that can be transmitted from place to place, enabling a society-transforming Internet to thrive. Further proof that optics and photonics are technical enablers can be seen in the laser. A laser provides a source of light that can be 1 coherent, meaning that a group of photons can act as a single unit; and.
INTRODUCTION TO PHOTONICS / LASER TECHNOLOGIES
Photonics and Lasers: An Introduction
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Photonics is the physical science of light photon generation, detection, and manipulation through emission , transmission , modulation , signal processing , switching, amplification , and sensing. The term photonics developed as an outgrowth of the first practical semiconductor light emitters invented in the early s and optical fibers developed in the s. The word 'photonics' is derived from the Greek word "phos" meaning light which has genitive case "photos" and in compound words the root "photo-" is used ; it appeared in the late s to describe a research field whose goal was to use light to perform functions that traditionally fell within the typical domain of electronics, such as telecommunications, information processing, etc. Photonics as a field began with the invention of the laser in Other developments followed: the laser diode in the s, optical fibers for transmitting information, and the erbium-doped fiber amplifier.