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Authors: W. Xie, Thilo Stöferle, Gabriele Rainò, Tangi Aubert, S. Bisschop, Y. Zhu, Rainer F. Mahrt, P. Geiregat, Edouard Brainis, Zeger Hens, D. Van Thourhout
Title: On-Chip Integrated Quantum-Dot–Silicon-Nitride Microdisk Lasers
Format: International Journal
Publication date: 2/2017
Journal/Conference/Book: Advanced Materials
Editor/Publisher: John Wiley & Sons, Inc., 
Internal Reference: [N-2007]
DOI:

Abstract

Hybrid SiN-QD microlasers coupled to a passive SiN output waveguide with 7mm diameter and record low threshold density of 27 μJ•cm-2 are demonstrated. A new design and unique processing scheme starting from SiN/QD/SiN stacks offer long term stability and facilitate in depth QD materials and laser device characterization. This approach opens up new paths for optical communication, lab-on-a-chip, gas sensing and, potentially, on-chip cavity quantum electrodynamics and quantum optics based on colloidal QDs.

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