Demonstration of reconfigurable electro-optical logic with silicon photonic integrated circuits

Optics Letters (Impact Factor: 3.29). 10/2012; 37(19):3942-4. DOI: 10.1364/OL.37.003942
Source: PubMed


We demonstrate a scalable and reconfigurable optical directed-logic architecture consisting of a regular array of integrated optical switches based on microring resonators. The switches are controlled by electrical input logic signals through embedded p-i-n junctions. The circuit can be reconfigured to perform any combinational logic operation by thermally tuning the operation modes of the switches. Here we show experimentally a directed logic circuit based on a 2×2 array of switches. The circuit is reconfigured to perform arbitrary two-input logic functions.

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Available from: Lin Yang, Mar 02, 2014
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    • "Directed logic is a newly proposed innovative paradigm for performing logical operation, which employs a specific optical switch network to implement digital optical logic [5]–[9]. Various directed optical logic circuits have been proposed and demonstrated [10]–[14]. One of the most important logical operations in digital computation and communication is the XOR logical operation, which is indispensable in encoding and decoding schemes, and can be used in many occasions such as half adder, parity checking, and data encryption/decryption, etc. "
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