期刊
PHYSICS LETTERS A
卷 377, 期 3-4, 页码 329-333出版社
ELSEVIER
DOI: 10.1016/j.physleta.2012.11.034
关键词
Photonic crystal; Logic gates; Silicon
资金
- National Basic Research Program of China [2013CB328704]
- National Natural Science Foundation of China [61077027, 11134001, 11121091, 90921008]
- Program for New Century Excellent Talents in University
All-optical logic gates, including OR, XOR, NOT, XNOR, and NAND gates, are realized theoretically in a two-dimensional silicon photonic crystal using the light beam interference effect. The ingenious photonic crystal waveguide component design, the precisely controlled optical path difference, and the elaborate device configuration ensure the simultaneous realization of five types of logic gate with low-power and a contrast ratio between the logic states of 1 and 0 as high as 20 dB. High power is not necessary for operation of these logic gate devices. This offers a simple and effective approach for the realization of integrated all-optical logic devices. (C) 2012 Elsevier B.V. All rights reserved.
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