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Improved photon-number squeezing in light-emitting diodes

Abstract:
We report photon-number squeezing measurements on high-efficiency double heterojunction AlGaAs infrared light-emitting diodes. The overall current-to-current efficiency was 0.25 at room temperature and 0.40 at 77 K, resulting in a noise reduction below the Standard Quantum Limit of 1.1 dB and 2.0 dB, respectively. In addition, photocurrent correlation experiments were carried out with 2 or 3 LEDs in series, revealing a normalized correlation coefficient of 0.25 at room temperature and 0.40 at 77 K.
Publication status:
Published

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Publisher copy:
10.1080/095003498151276

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Volume:
45
Issue:
6
Pages:
1147-1153
Publication date:
1998-06-05
DOI:
ISSN:
0950-0340
URN:
uuid:5371de26-e9d5-4352-aef5-a77d5bf9b59b
Source identifiers:
29713
Local pid:
pubs:29713

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