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Authors: R. Kumar, L. Liu, G. Roelkens, E.-J.Geluk, T. de Vries, F. Karouta, P. Regreny, D. Van Thourhout, R. Baets, G. Morthier
Title: 10GHz All-Optical Gate Based on a III-V/SOI Microdisk
Format: International Journal
Publication date: 7/2010
Journal/Conference/Book: Photonics Technology Letters
Volume(Issue): 22(13) p.981-983
DOI: 10.1109/lpt.2010.2048895
Citations: 13 ( - last update: 14/7/2024)
9 (OpenCitations - last update: 3/5/2024)
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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 5┬Ám 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.

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