An electroluminescent and tunable cavity-enhanced carbon-nanotube-emitter in the telecom band
Year: 2024
Type: article
Abstract: Emerging photonic information processing systems require chip-level integration of controllable nanoscale light sources at telecommunication wavelengths. Currently, substantial challenges remain in the dynamic control of the sources, the low-loss integration into a photonic environment, and in the site-selective placement at desired positions on a chip. Here, we overcome these challenges using heterogeneous integration of electroluminescent (EL), semiconducting carbon nanotubes (sCNTs) into hybrid two dimensional - three dimensional (2D-3D) photonic circuits. We demonstrate enhanced spectral line shaping of the EL sCNT emission. By back-gating the sCNT-nanoemitter we achieve full electrical dynamic control of the EL sCNT emission with high on-off ratio and strong enhancement in the telecommunication band. Using nanographene as a low-loss material to electrically contact sCNT emitters directly within a photonic crystal cavity enables highly efficient EL coupling without compromising the optical quality of the cavity. Our versatile approach paves the way for controllable integrated photonic circuits. Raw data: https://zenodo.org/records/14187079
Authors: Anna P Ovvyan, Min-Ken Li, Helge Gehring, Fabian Beutel, Sandeep Kumar, Frank Hennrich, Li Wei, Yuan Chen, Felix Pyatkov, Ralph Krupke, Wolfram H P Pernice
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
Funder: European Commission
Award: G1886909440
OpenAlex ID: W6892993394
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