Tuning emission energy and fine structure splitting in quantum dots emitting in the telecom O-band
Source abstract
Abstract
We report on optical investigations of MOVPE-grown InGaAs/GaAs quantum dots emitting at the telecom O-band that were integrated onto uniaxial piezoelectric actuators. This promising technique, which does not degrade the emission brightness of the quantum emitters, enables us to tune the quantum dot emission wavelengths and their fine-structure splitting. By spectrally analyzing the emitted light with respect to its polarization, we are able to demonstrate the cancelation of the fine structure splitting within the experimental resolution limit. This work represents an important step towards the high-yield generation of entangled photon pairs at telecommunication wavelength, together with the capability to precisely tune the emission to target wavelengths.
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Research context
OpenAlex topics: Semiconductor Quantum Structures and Devices · Semiconductor Lasers and Optical Devices · Photonic and Optical Devices
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Integrative Nanoscience, IFW Dresden 1 , 01069 Dresden, Germany
Institut für Halbleiteroptik und Funktionelle Grenzflächen, Center for Integrated Quantum Science and Technology (IQST) and SCoPE, University of Stuttgart 2 , Allmandring 3, 70569 Stuttgart, Germany
Institut für Festkörperphysik, Leibniz Universität Hannover 3 , Appelstrasse 2, 30167 Hannover, Germany
Material Systems for Nanoelectronics, TU Chemnitz 4 , 09107 Chemnitz, Germany
Funding
Bundesministerium für Bildung und Forschung · H2020 European Research Council · Joint Research Fund for Overseas Chinese Scholars and Scholars in Hong Kong and Macao
References (45)
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