Abstract
We present first results of the investigations of the quantum noise properties of resonant-cavity light-emitting diodes (rcleds). We obtain a quantum noise of up to −0.07dB below the shot noise quantum limit already at moderate pump levels and when being pumped by a quiet current source. This amount of observed sub-shot noise emission is in accordance with the quantum efficiency of the devices. This Sub-Poisson intensity noise ofrcleds together with their narrow beam characteristics make them very attractive for applications in photonics and metrology.
Résumé
Nous présentons les premiers résultats des études du bruit quantique des diodes électroluminescentes à cavité résonante. Nous obtenons un bruit jusqu’à — 0,07 dB au-dessous de la limite quantique du bruit de grenaille même à des niveaux de pompe modérés et avec pompage par une source calme. La valeur observée de ce bruit sous-poissonnien est en accord avec le rendement quantique des diodes électroluminescentes. Finalement, ces résultats démontrent que les diodes électroluminescentes à cavité résonante seront très intéressantes pour des applications en métrologie spectroscopique et en photonique.
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Kappe, P., Kaiser, J., Elsässer, W. et al. Investigations of the fundamental quantum noise properties of resonant-cavity light-emitting diodes (rcleds). Ann. Télécommun. 58, 1424–1431 (2003). https://doi.org/10.1007/BF03001738
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DOI: https://doi.org/10.1007/BF03001738