semiconductor optical amplifier (SOA)
A semiconductor device that amplifies an optical signal through the stimulated emission of stored carriers in a semiconductor. The carriers are usually supplied by electrical current.
 quantum dots
Nano-scale semiconductors consisting of semiconductor crystals that are several dozen nanometers in size, in which electrons can be stored.
 all-optical 3R regeneration
Optical 3R regeneration is technology whereby a degraded signal is restored to its original quality, and consists of Re-amplification, Re-timing, and Re-shaping (3R). When these processes do not involve conversion to electronic signals, they are referred to as all-optical 3R regeneration.
 improvements in crystal growth technology of quantum dots
Fujitsu utilized and modified technology based on research results from "InAs Quantum Dot Growth Technology on InP Substrates", which was conducted as part of the Photonic Network Project of the Optoelectric Industry and Technology Development Association (OITDA), commissioned by the New Energy and Industrial Technology Development Organization (NEDO) of Japan.
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Date: 04 March, 2005
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