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In [4, page166], it is asked what influence the complementarity relation plays as far as the expressiveness of sticker systems and Watson-Crick automata are concerned. Here, we give the answer: (almost) none! More precisely, we show that every language L of a sticker system or a Watson-Crick automaton is the language of such a system with a one-to-one complementarity relation. Our second group of...
A compact silicon photonic channelized optical spectrum monitor is designed and realized, which can replace a large rack-mounted OSA's channel power monitoring functionality, and the signal processing algorithm underlying its operation is described.
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