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On-chip, photon-number-resolving, telecom-band detectors for scalable photonic information processing
Authors
B Calkins
AE Fox
+13 more
JC Gates
T Gerrits
A Lamas Linares
NK Langford
AE Lita
BJ Metcalf
RP Mirin
SW Nam
PGR Smith
JB Spring
N Thomas-Peter
NA Tomlin
IA Walmsley
Publication date
1 January 2012
Publisher
Abstract
We demonstrate an integrated photon-number resolving detector, operating in the telecom band at 1550 nm, employing an evanescently coupled design that allows the detector to be placed at arbitrary locations within a planar optical circuit. Up to 5 photons are resolved in the guided optical mode via absorption from the evanescent field into a tungsten transition-edge sensor. The detection efficiency of the absorbing tungsten region is 7.2 %. © OSA 2012
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Last time updated on 18/04/2020