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High-speed header processing using synchronized fiber lasers driving all-optic logic gates

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6 Author(s)
Cao, X.D. ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA ; Jiang, M. ; Ahn, K.H. ; Liang, Y.
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We show all-optic logic gates driven by synchronized erbium-doped fiber lasers (EDFLs) to perform 100 Gb/s header processing in TDM packetized networks or optical add/drop multiplexers. We experimentally demonstrate AND and XOR logic functions in low-birefringent nonlinear optical loop mirrors (Low-Bi-NOLMs) with switching energy as low as 9 pJ and peak switching contrast of 8:1. We show that the Low-Bi-NOLMs satisfy decision-making capabilities in a header processor such as cascadability and Boolean-complete logic functions. Our novel AOM-grating scheme of synchronization provides 30 times the length and 10 times the bandwidth as compared to the scheme using piezo-electric transducers (PZTs). We have achieved synchronization of two passively mode-locked EDFLs with a timing jitter of approximately 1.3 times the pulse width. We are now integrating the synchronized EDFLs and all-optic logic gates, which are key components for packet addressing for 100 Gb/s applications.

Published in:

Advanced Applications of Lasers in Materials Processing/Broadband Optical Networks/Smart Pixels/Optical MEMs and Their Applications. IEEE/LEOS 1996 Summer Topical Meetings:

Date of Conference:

5-9 Aug. 1996

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