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How many contributions are available for employment of optical amplifier? 

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This amplifier is suitable for integration with other optical devices in photonic integrated circuits which require polarization-independent gain.<<ETX>>
The Performance of an Optical Communication system can be improved by the use of EDFAs as an Optical Amplifier.
The diffraction-limited, single-frequency amplifier is believed to have the highest optical-to-optical efficiency ever reported for Er-doped fibre amplifiers.
In addition, we describe two advanced optical fiber amplifier technologies that will improve the efficiency in utilization of optical networking and reduce total system costs.
The population-statistical description of a linear optical amplifier, extended to include both a resonant optical cavity and explicit input and output photon fluxes, is shown to yield three useful noise relationships.
This becomes very promising with the development of optical fiber amplifier and other new optical device technologies.
Although there are many emitters with good optical performance, more studies on their practical attributes are required, especially for those that are not yet used in prototype systems.
Measurements of optical gain and contact voltage as a function of amplifier bias current are in good agreement with the theory.<<ETX>>
Despite not demonstrating optical amplification, this study shines some light on the path to achieve an all-silicon electrically driven optical amplifier.
With a 48 cm long Er/Yb fibre, the amplifier exhibited a small signal gain of 34.9 dB, gain coefficient of 0.77 dB/mW and NF of 4.1 dB, demonstrating the potential for a cost effective optical amplifier.
The obtained results can be used for system design and a plan of maintenance for the optical amplifier communication system.
Therefore, changes in EDFA’s configuration play very important role during the designing of optical amplifier.
The nonlinear transfer of the amplifier could be used for logic regeneration and all-optical logic operations, while the optical injection power required to switch the device is an order of magnitude lower than previously reported with edge-emitting devices.
The results indicate that the glasses may be suitable for the development of optical amplifier in the 1.53 μm optical region.
Given these higher values, this system now offers a realistic route to the production of electrically pumped silicon optical amplifier and laser devices using standard silicon process technology.
Journal ArticleDOI
M.J. Pettitt, A. Hadjifotiou, R.A. Baker 
29 Citations
The fibre amplifier may therefore be suitable for use in multichannel optical systems.

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