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Gigabit Ethernet signal transmission using asynchronous optical code division multiple access
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DOI：10.1364/OL.40.005854.png)
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Abstract
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We propose and experimentally demonstrate a novel architecture for interfacing and transmitting a Gigabit Ethernet (GbE) signal using asynchronous incoherent optical code division multiple access (OCDMA). This is the first such asynchronous incoherent OCDMA system carrying GbE data being demonstrated to be working among multi-users where each user is operating with an independent clock/data rate and is granted random access to the network. Three major components, the GbE interface, the OCDMA transmitter, and the OCDMA receiver are discussed in detail. The performance of the system is studied and characterized through measuring eye diagrams, bit-error rate and packet loss rate in real-time file transfer. Our Letter also addresses the near-far problem and realizes asynchronous transmission and detection of signal. (C) 2015 Optical Society of America
Keywords:
TIME-SPREADING OCDMA
COHERENT OCDMA
NOISE
RECEIVER
CDMA
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