This paper deals with communication using optical fibres. The transmission using high bandwidth can handle vast amounts of information, which can be further improved by reduction in fibre losses, increase in data rates and distances, development of optical sources and detectors compatible with fibres. The recent development in the area of fibre optic communication as well as the advances in dif...

Current research efforts are focussed on overcoming the apparent limits of communication in single mode optical fibre resulting from distortion due to fibre nonlinearity. It has been experimentally demonstrated that this Kerr nonlinearity limit is not a fundamental limit; thus it is pertinent to review where the fundamental limits of optical communications lie, and direct future research on thi...

Optical Amplifiers are essentials components in long haul fibre optic system. An amplifier is a electronic device that can increase the power of signal. An Optical Amplifier is effectively the opposite of attenuator while Optical Amplifiers provide gain and attenuator provides loss. When a signal travels in a optical fibre medium the signal suffer from various losses such as fibre losses, atten...

This paper presents a review of the latest research and development in the field of fibre optic communication system. Remarkable developments can be seen in the field of optical fibre communication in the last decade. Wide-bandwidth signal transmission with low latency is emerging as a key requirement in a number of applications, including the development of future exaflopscale supercomputers, ...

Photonic sensors signal processors and communication technologies have emerged as viable alternatives to electronics. Fibre optic sensors have advanced to an extent that they can be readily made use of in many applications. The different types of fibre optic sensors, components used in optical fibre sensing, sensor design and analysis, distributed\ multiplexed sensor schemes and the roles of op...

Optical couplers are very important devices in optical communication systems and optical sensor systems. Several types of optical couplers with different materials or different transmission characteristics have been reported. Here we propose a semi-reciprocal polarization maintaining fibre coupler with unique transmission characteristics, which is distinct from conventional polarization maintai...

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Most of the digital data transmitted are carried by optical fibres, forming the great part of the national and international communication infrastructure. The information-carrying capacity of these networks has increased vastly over the past decades through the introduction of wavelength division multiplexing, advanced modulation formats, digital signal processing and improved optical fibre and...

In this paper we have discussed a simulated long haul optical transmission system Over the single mode fibre which is prove to the liner chromatic dispersion as well as Non linearity. Both Parameter have been of great concern as these confine the overall Efficiency of the system. Loop control is commonly chosen as an important component in optical communication system. Loop control is very simp...

Continued progress in both civil and military radio-frequency (RF) digital avionics applications is overstressing the capabilities and reliability of existing RF communication networks based on coaxial cables on board modern aircrafts. Future avionics systems will require high-bandwidth on-board communication links that are lightweight, immune to electromagnetic interference, and highly reliabl...