公开(公告)号：US10126506B2

公开(公告)日：2018-11-13

申请号：US15486088

申请日：2017-04-12

Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY

Inventor： Jacob C. Mower ,  Jelena Notaros ,  Mikkel Heuck ,  Dirk Robert Englund ,  Cosmo Lupo ,  Seth Lloyd

IPC: H04B10/40 ,  G02B6/293 ,  G02F1/225 ,  G02F1/21

Abstract: A large-scale tunable-coupling ring array includes an input waveguide coupled to multiple ring resonators, each of which has a distinct resonant wavelength. The collective effect of these multiple ring resonators is to impart a distinct time delay to a distinct wavelength component (or frequency component) in an input signal, thereby carrying out quantum scrambling of the input signal. The scrambled signal is received by a receiver also using a large-scale tunable-coupling ring array. This receiver-end ring resonator array recovers the input signal by imparting a compensatory time delay to each wavelength component. Each ring resonator can be coupled to the input waveguide via a corresponding Mach Zehnder interferometer (MZI). The MZI includes a phase shifter on at least one of its arms to increase the tunability of the ring array.

公开(公告)号：US20240255699A1

公开(公告)日：2024-08-01

申请号：US18393392

申请日：2023-12-21

Applicant: The Regents of the University of California ,  Massachusetts Institute of Technology ,  National Technology & Engineering Solutions of Sandia, LLC

Inventor： Daniel J. Blumenthal ,  Matt Eichenfield ,  Dirk Englund ,  Mikkel Heuck

IPC: G02B6/122

CPC classification number: G02B6/1228

Abstract: Systems and methods for hybrid integration of ultra-low loss waveguide photonic circuits with various efficient on-chip elements are described. The photonic circuits can integrate various elements including (but not limited to): gain, modulation, detection, and nonlinear optical elements. The integrated photonic chips can be manufactured in a flexible, reconfigurable, 3D heterogeneous platform. The integrated photonic chips can cover wavelength ranges from the visible wavelength to infrared wavelength.

公开(公告)号：US10429718B2

公开(公告)日：2019-10-01

申请号：US15792066

申请日：2017-10-24

Applicant: Massachusetts Institute of Technology

Inventor： Mihir Pant ,  Dirk Robert Englund ,  Mikkel Heuck

IPC: G02F1/31 ,  G02F1/39 ,  H04B10/70 ,  G02F1/35

Abstract: A photon source to deliver single photons includes a storage ring resonator to receive pump photons and generate a signal photon and an idler photon. An idler resonator is coupled to the storage resonator to couple the idler photon out of the storage resonator and into a detector. Detection of the idler photon stops the pump photons from entering the storage resonator. A signal resonator is coupled to the storage resonator to couple out the signal photon remaining in the storage resonator and delivers the signal photon to applications. The photon source can be fabricated into a photonic integrated circuit to achieve high compactness, reliability, and controllability.