optical transmitter

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• Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …   Wikipedia

• Optical communication — is any form of telecommunication that uses light as the transmission medium. An optical communication system consists of a transmitter, which encodes a message into an optical signal, a channel, which carries the signal to its destination, and a… …   Wikipedia

• Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

• Transmitter — For biologic transmitters, see transmitter substance. Commercial FM broadcasting transmitter at radio station WDET FM, Wayne State University, Detroit, USA. It broadcasts at 101.9 MHz with a radiated power of 48 kW. In electronics and… …   Wikipedia

• Optical hybrid — A 90° optical hybrid is a six port device that is used for coherent signal demodulation for either homodyne or heterodyne detection. It would mix the incoming signal with the four quadratural states associated with the reference signal in the… …   Wikipedia

• Optical power margin — In an optical communications link, the optical power margin is the difference between the optical power that is launched by a given transmitter into the fiber, less transmission losses from all causes, and the minimum optical power that is… …   Wikipedia

• Optical fiber cable — A TOSLINK optical fiber cable with a clear jacket. These plastic fiber cables are used mainly for digital audio connections between devices. An optical fiber cable is a cable containing one or more optical fibers. The optical fiber elements are… …   Wikipedia

• Optical modulators using semiconductor nano-structures — Contents 1 Optical modulators using semiconductor nano structures 1.1 Electro optic modulator of nano structures 1.2 Acousto optic modulator of nano structures …   Wikipedia

• Optical Internetworking Forum — The Optical Internetworking Forum (OIF) is a non profit, member driven organization founded in 1998. It promotes the development and deployment of interoperable networking solutions and services through the creation of Implementation Agreements… …   Wikipedia

• Optical attenuator — Variable Optical Attenuator An optical attenuator is a device used to reduce the power level of an optical signal, either in free space or in an optical fiber. The basic types of optical attenuators are fixed, step wise variable, and continuously …   Wikipedia

• Optical power budget — The optical power budget in a fiber optic communication link is the allocation of available optical power (launched into a given fiber by a given source) among various loss producing mechanisms such as launch coupling loss, fiber attenuation,… …   Wikipedia