公开(公告)号：US12292669B2

公开(公告)日：2025-05-06

申请号：US18204185

申请日：2023-05-31

Applicant: Psiquantum, Corp.

Inventor： Mihai Dorian Vidrighin ,  Damien Bonneau ,  Alessandro Farsi ,  Mark G. Thompson

IPC: G02F1/365 ,  G02F1/35 ,  H04B10/70 ,  G02B6/293 ,  G02F1/39

Abstract: Techniques disclosed herein relate to photon sources with high spectral purity and high brightness. In one embodiment, a photon-pair source includes a pump waveguide, a first resonator coupled to the pump waveguide to couple pump photons from the pump waveguide into the first resonator, a second resonator coupled to the first resonator, and an output waveguide coupled to the second resonator. The second resonator is configured to convert the pump photons into photon pairs. The second resonator and the first resonator are configured to cause a coupling-induced resonance splitting in the second resonator or the first resonator. The second resonator and the output waveguide are configured to couple the photon pairs from the second resonator into the output waveguide. In some embodiments, the photo-pair source includes one or more tuners for tuning at least one of the first resonator or the second resonator.

公开(公告)号：US20250068026A1

公开(公告)日：2025-02-27

申请号：US18943551

申请日：2024-11-11

Applicant: PsiQuantum Corp.

Inventor： Hugo V. Cable ,  Damien Bonneau ,  Hsuan-Tung Peng ,  Bryan S. Park ,  Andrzej Perez Veitia ,  Sara Bartolucci ,  Eric Dudley ,  Chia-Ming Chang ,  Mihai Vidrighin

IPC: G02F1/21 ,  G02F1/01 ,  G02F1/225 ,  G02F1/313

Abstract: An example integrated generalized Mach-Zehnder Interferometer (GMZI) to process a quantum state of light is described. A quantum state of light comprising one or more photons can be received by a first coupler network in the GMZI. Using the first coupler network, the quantum state of light is distributed to one or more of a plurality of waveguide arms in the GMZI. The phase of the quantum state of light is adjusted using a plurality of phase shifters in the GMZI. The phase is adjusted for portions of the quantum state of light in one of the plurality of waveguide arms. The phase-adjusted quantum light is received by a second coupler network in the GMZI. Using the second coupler network, the quantum state of light is combined onto one or more outputs of the waveguide arms. The combined quantum light is outputted.

公开(公告)号：US20210349372A1

公开(公告)日：2021-11-11

申请号：US17321077

申请日：2021-05-14

Applicant: Psiquantum, Corp.

Inventor： Mihai Dorian Vidrighin ,  Damien Bonneau ,  Alessandro Farsi ,  Mark G. Thompson

IPC: G02F1/365 ,  G02F1/35 ,  H04B10/70

Abstract: Techniques disclosed herein relate to photon sources with high spectral purity and high brightness. In one embodiment, a photon-pair source includes a pump waveguide, a first resonator coupled to the pump waveguide to couple pump photons from the pump waveguide into the first resonator, a second resonator coupled to the first resonator, and an output waveguide coupled to the second resonator. The second resonator is configured to convert the pump photons into photon pairs. The second resonator and the first resonator are configured to cause a coupling-induced resonance splitting in the second resonator or the first resonator. The second resonator and the output waveguide are configured to couple the photon pairs from the second resonator into the output waveguide. In some embodiments, the photo-pair source includes one or more tuners for tuning at least one of the first resonator or the second resonator.

公开(公告)号：US10372014B1

公开(公告)日：2019-08-06

申请号：US16192770

申请日：2018-11-15

Applicant: Psiquantum, Corp.

Inventor： Mihai Dorian Vidrighin ,  Damien Bonneau ,  Alessandro Farsi ,  Mark G. Thompson

IPC: G02F1/365 ,  G02F1/35 ,  H04B10/70 ,  G02F1/39 ,  G02B6/293

Abstract: Techniques disclosed herein relate to photon sources with high spectral purity and high brightness. In one embodiment, a photon-pair source includes a pump waveguide, a first resonator coupled to the pump waveguide to couple pump photons from the pump waveguide into the first resonator, a second resonator coupled to the first resonator, and an output waveguide coupled to the second resonator. The second resonator is configured to convert the pump photons into photon pairs. The second resonator and the first resonator are configured to cause a coupling-induced resonance splitting in the second resonator or the first resonator. The second resonator and the output waveguide are configured to couple the photon pairs from the second resonator into the output waveguide. In some embodiments, the photo-pair source includes one or more tuners for tuning at least one of the first resonator or the second resonator.

公开(公告)号：US20190196100A1

公开(公告)日：2019-06-27

申请号：US16231022

申请日：2018-12-21

Applicant: PsiQuantum Corp.

Inventor： Naomi Nickerson ,  Damien Bonneau ,  Terence Rudolph

IPC: G02B6/122 ,  G02F1/313 ,  G02B6/35 ,  G02F1/225

Abstract: A device (e.g., a photonic multiplexer) is provided that includes a plurality of first switches. Each first switch in the plurality of first switches includes a plurality of first channels. Each first switch is configured to shift photons in the plurality of first channels by zero or more channels, based on first configuration information provided to the first switch. The device further includes a plurality of second switches. Each second switch includes a plurality of second channels. Each second channel is coupled with a respective first channel from a distinct first switch of the plurality of first switches. Each second switch is configured to shift photons in the plurality of second channels by zero or more channels, based on second configuration information provided to the second switch.

公开(公告)号：US20190189816A1

公开(公告)日：2019-06-20

申请号：US16228441

申请日：2018-12-20

Applicant: PsiQuantum Corp.

Inventor： Faraz Najafi ,  Mark Thompson ,  Damien Bonneau ,  Joaquin Matres Abril

IPC: H01L31/0352 ,  H01L31/109 ,  H01L31/0232 ,  H01L31/18

CPC classification number: H01L31/035227 ,  G01J1/42 ,  G02B6/1226 ,  H01L31/02327 ,  H01L31/109 ,  H01L31/18 ,  H01L39/10 ,  H01L39/24 ,  H01L39/2406

Abstract: A device includes a first semiconductor layer; a portion of a second semiconductor layer disposed on the first semiconductor layer; and a third semiconductor layer including a first region disposed on the portion of the second semiconductor layer and a second region disposed on the first semiconductor layer. A thickness of the first region is less than a predefined thickness. The device also includes an etch stop layer disposed on the third semiconductor layer; a plurality of distinct portions of a fourth semiconductor layer disposed on the etch stop layer and exposing one or more distinct portions of the etch stop layer over the portion of the second semiconductor layer; and a plurality of distinct portions of a superconducting layer disposed on the plurality of distinct portions of the fourth semiconductor layer and the exposed one or more distinct portions of the etch stop layer.