[HTML][HTML] Quantum dot single-photon emission coupled into single-mode fibers with 3D printed micro-objectives
User-friendly single-photon sources with high photon-extraction efficiency are crucial
building blocks for photonic quantum applications. For many of these applications, such as
long-distance quantum key distribution, the use of single-mode optical fibers is mandatory,
which leads to stringent requirements regarding the device design and fabrication. We
report on the on-chip integration of a quantum dot (QD) microlens with a 3D-printed micro-
objective in combination with a single-mode on-chip fiber coupler. The practical quantum …
building blocks for photonic quantum applications. For many of these applications, such as
long-distance quantum key distribution, the use of single-mode optical fibers is mandatory,
which leads to stringent requirements regarding the device design and fabrication. We
report on the on-chip integration of a quantum dot (QD) microlens with a 3D-printed micro-
objective in combination with a single-mode on-chip fiber coupler. The practical quantum …
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