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Time-bin entangled ...
Time-bin entangled photon pairs from quantum dots embedded in a self-aligned cavity
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- Ginés, Laia (författare)
- Stockholms universitet,Fysikum,Universität Würzburg, Germany
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- Pepe, Carlo (författare)
- Stockholms universitet,Fysikum
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- Gonzales, Junior (författare)
- Stockholms universitet,Fysikum
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Gregersen, Niels (författare)
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Höfling, Sven (författare)
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Schneider, Christian (författare)
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- Predojević, Ana (författare)
- Stockholms universitet,Fysikum
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(creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: Optics Express. - 1094-4087. ; 29:3, s. 4174-4180
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We introduce a scalable photonic platform that enables efficient generation of entangled photon pairs from a semiconductor quantum dot. Our system, which is based on a self-aligned quantum dot- micro-cavity structure, erases the need for complex steps of lithography and nanofabrication. We experimentally show collection efficiency of 0.17 combined with a Purcell enhancement of up to 1.7. We harness the potential of our device to generate photon pairs entangled in time bin, reaching a fidelity of 0.84(5) with the maximally entangled state. The achieved pair collection efficiency is 4 times larger than the state-of-the art for this application. The device, which theoretically supports pair extraction efficiencies of nearly 0.5 is a promising candidate for the implementation of bright sources of time-bin, polarization- and hyper entangled photon pairs in a straightforward manner.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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