Note: Scalable multiphoton coincidence-counting electronics | Zendy

David Branning | Zendy; Sarthak Khanal | Zendy; Young Ho Shin | Zendy; B. Clary | Zendy; M. Beck | Zendy

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Note: Scalable multiphoton coincidence-counting electronics

Author(s) -

David Branning,

Sarthak Khanal,

Young Ho Shin,

B. Clary,

M. Beck

Publication year - 2011

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.3524571

Subject(s) - coincidence , coincidence counting , physics , transistor , scalability , electronics , photon counting , optics , quantum , computer science , detector , electrical engineering , quantum mechanics , voltage , medicine , alternative medicine , pathology , database , quantum entanglement , engineering

We present a multichannel coincidence-counting module for use in quantum optics experiments. The circuit takes up to four transistor-transistor logic pulse inputs and counts either twofold, threefold, or fourfold coincidences, within a user-selected coincidence-time window as short as 12 ns. The module can accurately count eight sets of multichannel coincidences, for input rates of up to 84 MHz. Due to their low cost and small size, multiple modules can easily be combined to count arbitrary M-order coincidences among N inputs.

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