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Expanded all-optical programmable logic array based on multi-input/output canonical logic units
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DOI：10.1364/OE.22.009959.png)
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Abstract
En 中文
We present an expanded all-optical programmable logic array (O-PLA) using multi-input and multi-output canonical logic units (CLUs) generation. Based on four-wave mixing (FWM) in highly nonlinear fiber (HNLF), two-input and three-input CLUs are simultaneously achieved in five different channels with an operation speed of 40 Gb/s. Clear temporal waveforms and wide open eye diagrams are successfully observed. The effectiveness of the scheme is validated by extinction ratio and optical signal-to-noise ratio measurements. The computing capacity, defined as the total amount of logic functions achieved by the O-PLA, is discussed in detail. For a three-input O-PLA, the computing capacity of the expanded CLUs-PLA is more than two times as large as that of the standard CLUs-PLA, and this multiple will increase to more than three and a half as the idlers are individually independent. (C) 2014 Optical Society of America
Keywords:
XOR GATE
SIGNALS
PHASE
CIRCUITS
GB/S
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3.3
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6.1W
Citations:
14.3W
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