An ultra-small, low power all-optical flip-flop memory on a silicon chip

Liu Liu, R. Kumar, K. Huybrechts, T. Spuesens, G. Roelkens, E.J. Geluk, T. Vries, de, P. Regreny, D. Thourhout, Van, G. Morthier, R.G.F. Baets

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Abstract

Scientists demonstrate that a single 7.5-µm-diameter microdisk laser coupled to a silicon-on-insulator wire waveguide can work as an all-optical flip-flop memory. Under a continuous bias of 3.5 mA, flip-flop operation is demonstrated using optical triggering pulses of 1.8 fJ and with a switching time of 60 ps. This device is attractive for on-chip all-optical signal buffering, switching, and processing.
Original languageEnglish
Pages (from-to)182-187
Number of pages24
JournalNature Photonics
Volume4
Issue number3
DOIs
Publication statusPublished - 2010

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