Abrégé

A gating circuit for generating a voltage gating signal for controlling on/off operation of a photon detector, said photon detector having a superconducting sensing element for detecting photons and one input/output configured to both input the voltage gating signal to the superconducting sensing element and output a readout signal from said superconducting sensing element, said gating circuit comprising a signal generator for generating a first periodic signal, said gating circuit being characterised in that it further comprises a gate shaping circuit configured to shape the first periodic signal to obtain a periodic voltage gating signal having during each period a transient pulse followed by a plateau.

Classes IPC  ?

• G01J 1/44 - Circuits électriques
• H10N 60/84 - Moyens de commutation entre les états supraconducteur et normal

Abrégé

A photon detector system for detecting photons emitted from an optical fiber, the photon detector system comprising a receiving mechanism for receiving the optical fiber; a photon detector comprising a superconducting element and aligned with the receiving mechanism, the photon detector having an active area for detecting photons emitted from an end-face of the optical fiber received in the receiving mechanism and an urging mechanism for urging together the photon detector and the optical fiber.

Classes IPC  ?

• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
• G01J 1/02 - Photométrie, p. ex. posemètres photographiques Parties constitutives
• G01J 1/04 - Pièces optiques ou mécaniques
• G01J 1/44 - Circuits électriques

Abrégé

A superconducting electronic signal output circuit includes a signal source section configured to provide a voltage and/or current signal. The signal source section comprises a superconducting nanowire single photon detector, SNSPD, a switchable output section connected to the signal source section and having a first superconducting switch configured to selectably cause the signal to be output to an output of the superconducting electronic signal output circuit, and a switchable sink section connected to the signal source section and the switchable output section and having a second superconducting switch configured to selectably cause the signal to be directed to a reference potential.

Classes IPC  ?

• G01J 1/44 - Circuits électriques

Abrégé

Single-photon detector apparatus comprising a large core optical fiber with a core diameter larger than 8 µm, a small core optical fiber with a core diameter smaller or equal to 5 µm, a taper between the large core optical fiber and the small core optical fiber, a superconducting nanowire having a surface area configured to receive all photons emitted from the small core optical fiber and cost effective and high yield method for manufacturing such.

Classes IPC  ?

• H10N 60/84 - Moyens de commutation entre les états supraconducteur et normal
• G01J 1/04 - Pièces optiques ou mécaniques
• G01J 1/44 - Circuits électriques
• G02B 6/10 - Guides de lumièreDétails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p. ex. des moyens de couplage du type guide d'ondes optiques

Abrégé

A superconducting electronic signal output circuit comprising a signal source section (10) configured to provide a voltage and/or current signal (S), wherein the signal source section (10) comprises a superconducting nanowire single photon detector, SNSPD (11); a switchable output section (20) connected to the signal source section (10) and comprising a first superconducting switch (21) configured to selectably cause the signal (S) to be output to an output (O) of the superconducting electronic signal output circuit; and a switchable sink section (30) connected to the signal source section (10) and the switchable output section (20) and comprising a second superconducting switch (31) configured to selectably cause the signal to be directed to a reference potential (G).

Classes IPC  ?

• H10N 60/84 - Moyens de commutation entre les états supraconducteur et normal

Abrégé

A photon detector system for detecting photons emitted from an optical fiber, the photon detector system comprising a receiving mechanism for receiving the optical fiber; a photon detector comprising a superconducting element and aligned with the receiving mechanism, the photon detector having an active area for detecting photons emitted from an end-face of the optical fiber received in the receiving mechanism and an urging mechanism for urging together the photon detector and the optical fiber.

Classes IPC  ?

• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques

Abrégé

Single-photon detector apparatus comprising a large core optical fiber with a core diameter larger than 8 µm, a small core optical fiber with a core diameter smaller or equal to 5 µm, a taper between the large core optical fiber and the small core optical fiber, a superconducting nanowire having a surface area configured to receive all photons emitted from the small core optical fiber and cost effective and high yield method for manufacturing such.

Classes IPC  ?

• G01J 1/04 - Pièces optiques ou mécaniques
• G02B 6/28 - Moyens de couplage optique ayant des bus de données, c.-à-d. plusieurs guides d'ondes interconnectés et assurant un système bidirectionnel par nature en mélangeant et divisant les signaux
• G02B 6/42 - Couplage de guides de lumière avec des éléments opto-électroniques
• G02B 6/255 - Épissage des guides de lumière, p. ex. par fusion ou par liaison
• G01J 1/44 - Circuits électriques