Single-photon position to time multiplexing using a fiber array

Ryan E. Warburton, Frauke Izdebski, Christian Reimer, Jonathan Leach, David G. Ireland, Miles Padgett, Gerald S. Buller

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A 1 × 8 fiber array is used as the front-end of a receiver system. Each channel has a different length of fiber, resulting in each channel signal arriving at the detector at a pre-determined interval relative to a constant repetitive frequency signal. We demonstrate that these eight channels can be efficiently coupled to an individual single-photon detector such that the arrival-time of a photon in each is distinguishable from the next. Thus, we demonstrate spatial position to time information exchange, resulting in a photon-counting array using a single detector. The receiver system could be implemented in numerous applications, including time-resolved photoluminescence, low-light level spectroscopy and quantum information processing. © 2011 Optical Society of America.

Original languageEnglish
Pages (from-to)2670-2675
Number of pages6
JournalOptics Express
Volume19
Issue number3
DOIs
Publication statusPublished - 31 Jan 2011

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