Integrated fiber optical receiver reducing the gap to the quantum limit

Abstract Experimental results of a single-photon avalanche diode (SPAD) based optical fiber receiver integrated in 0.35 µm PIN-photodiode CMOS technology are presented. To cope with the parasitic effects of SPADs an array of four receivers is implemented. The SPADs consist of a multiplication zone a...

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Autores principales:	Horst Zimmermann, Bernhard Steindl, Michael Hofbauer, Reinhard Enne
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/71268c0584e34f7cbf347948e0a36288
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spelling	oai:doaj.org-article:71268c0584e34f7cbf347948e0a362882021-12-02T16:06:49ZIntegrated fiber optical receiver reducing the gap to the quantum limit10.1038/s41598-017-02870-22045-2322https://doaj.org/article/71268c0584e34f7cbf347948e0a362882017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02870-2https://doaj.org/toc/2045-2322Abstract Experimental results of a single-photon avalanche diode (SPAD) based optical fiber receiver integrated in 0.35 µm PIN-photodiode CMOS technology are presented. To cope with the parasitic effects of SPADs an array of four receivers is implemented. The SPADs consist of a multiplication zone and a separate thick absorption zone to achieve a high photon detection probability (PDP). In addition cascoded quenchers allow to use a quenching voltage of twice the usual supply voltage, i.e. 6.6 V instead of 3.3 V, in order to increase the PDP further. Measurements result in sensitivities of −55.7 dBm at a data rate of 50 Mbit/s and −51.6 dBm at 100 Mbit/s for a wavelength of 635 nm and a bit-error ratio of 2 × 10−3, which is sufficient to perform error correction. These sensitivities are better than those of linear-mode APD receivers integrated in the same CMOS technology. These results are a major advance towards direct detection optical receivers working close to the quantum limit.Horst ZimmermannBernhard SteindlMichael HofbauerReinhard EnneNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Horst Zimmermann Bernhard Steindl Michael Hofbauer Reinhard Enne Integrated fiber optical receiver reducing the gap to the quantum limit
description	Abstract Experimental results of a single-photon avalanche diode (SPAD) based optical fiber receiver integrated in 0.35 µm PIN-photodiode CMOS technology are presented. To cope with the parasitic effects of SPADs an array of four receivers is implemented. The SPADs consist of a multiplication zone and a separate thick absorption zone to achieve a high photon detection probability (PDP). In addition cascoded quenchers allow to use a quenching voltage of twice the usual supply voltage, i.e. 6.6 V instead of 3.3 V, in order to increase the PDP further. Measurements result in sensitivities of −55.7 dBm at a data rate of 50 Mbit/s and −51.6 dBm at 100 Mbit/s for a wavelength of 635 nm and a bit-error ratio of 2 × 10−3, which is sufficient to perform error correction. These sensitivities are better than those of linear-mode APD receivers integrated in the same CMOS technology. These results are a major advance towards direct detection optical receivers working close to the quantum limit.
format	article
author	Horst Zimmermann Bernhard Steindl Michael Hofbauer Reinhard Enne
author_facet	Horst Zimmermann Bernhard Steindl Michael Hofbauer Reinhard Enne
author_sort	Horst Zimmermann
title	Integrated fiber optical receiver reducing the gap to the quantum limit
title_short	Integrated fiber optical receiver reducing the gap to the quantum limit
title_full	Integrated fiber optical receiver reducing the gap to the quantum limit
title_fullStr	Integrated fiber optical receiver reducing the gap to the quantum limit
title_full_unstemmed	Integrated fiber optical receiver reducing the gap to the quantum limit
title_sort	integrated fiber optical receiver reducing the gap to the quantum limit
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/71268c0584e34f7cbf347948e0a36288
work_keys_str_mv	AT horstzimmermann integratedfiberopticalreceiverreducingthegaptothequantumlimit AT bernhardsteindl integratedfiberopticalreceiverreducingthegaptothequantumlimit AT michaelhofbauer integratedfiberopticalreceiverreducingthegaptothequantumlimit AT reinhardenne integratedfiberopticalreceiverreducingthegaptothequantumlimit
_version_	1718384847232172032

Integrated fiber optical receiver reducing the gap to the quantum limit

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