Author:
Pyatkov Felix,Khasminskaya Svetlana,Kovalyuk Vadim,Hennrich Frank,Kappes Manfred M,Goltsman Gregory N,Pernice Wolfram H P,Krupke Ralph
Abstract
Carbon nanotubes (CNTs) have recently been integrated into optical waveguides and operated as electrically-driven light emitters under constant electrical bias. Such devices are of interest for the conversion of fast electrical signals into optical ones within a nanophotonic circuit. Here, we demonstrate that waveguide-integrated single-walled CNTs are promising high-speed transducers for light-pulse generation in the gigahertz range. Using a scalable fabrication approach we realize hybrid CNT-based nanophotonic devices, which generate optical pulse trains in the range from 200 kHz to 2 GHz with decay times below 80 ps. Our results illustrate the potential of CNTs for hybrid optoelectronic systems and nanoscale on-chip light sources.
Subject
Electrical and Electronic Engineering,General Physics and Astronomy,General Materials Science
Cited by
6 articles.
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