P. Chidgey

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A wavelength converter based on a semiconductor nonlinear optical amplifier (NLOA) has been used to switch 155 MB/s data from 1.3 mu m into a 1.55 mu m WDM wavelength routed network. The data were converted to 1.56 mu m, one of the WDM system wavelengths, and transmitted over 63 km of step-index fiber. Bit-error-ratio measurements on the full system showed(More)
Optical networking is attracting a large amount of interest, particularly for local access and increasingly for long-haul, or core, network applications. However, optical networks are essentially analog, and with this return to analog transmission there are a number of issues that need to be understood and overcome if the concept of an optical transport(More)
A theoretical model of an optical network incorporating wavelength selective elements, amplifiers, couplers and switches is presented. The model is used to evaluate a large modular switch optical network that provides the capability of adapting easily to changes in network traffic requirements. The network dimensions are shown to be limited by the optical(More)
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