10-GHz all-optical gate based on a III-V/SOI microdisk

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

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)
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Abstract

We demonstrate an ultra-fast and low power all-optical gate in pump-probe configuration based on free carrier induced refractive index modulation in a 5µm radius InP/InGaAsP microdisk heterogeneously integrated onto a silicon-on-insulator waveguide circuit. High speed gating is obtained by extracting the carriers from the microdisk active layer by applying a reverse bias. Measured transient responses show that this gate is capable of working up to 20 GHz.
Original languageEnglish
Pages (from-to)981-983
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number13
DOIs
Publication statusPublished - 2010

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