- News / Новости
- RQC News / Новости РКЦ
- Quantum Physics News / Новости квантовой физики
- Events / Мероприятия
- In the Media / СМИ о нас
- Photo & Video / Фото и видео
- Structure / Состав
- International Advisory Board / Международный
консультативный совет - Board of Trustees / Попечительский совет
- Scientific Committee / Научный совет
- Management / Руководство
- Principal Investigators / Руководители научных групп
- External Fellows / Внешние исследователи
- Research / Исследования
- Laboratories / Лаборатории
- Quantum Simulators
and Integrated Photonics / Квантовые симуляторы
и интегрированная фотоника - Magnetoplasmonics
and ultrafast magnetism / Магнитоплазмоника
и сверхбыстрый магнетизм - Coherent Microoptics
and Radiophotonics / Когерентная микрооптика
и радиофотоника - Quantum Polaritonics / Квантовая поляритоника
- Quantum Communications / Квантовые коммуникации
- Quantum Optics / Квантовая оптика
- Quantum Hacking / Квантовый взлом
- Correlated Quantum Systems / Сильно-коррелированные
квантовые системы - Many-body Theory / Теория многих тел
- Superconducting
Quantum Circuits / Сверхпроводящие
квантовые цепи - Advanced Photonics / Передовая фотоника
- Education / Обучение
- Lecture Courses / Курсы лекций
- Seminars / Семинары
- Laboratory Works / Лабораторные работы
- Journal Club / Журнальный клуб
- Quantum Evenings / Вечера квантовой физики
- High School Outreach / Кружок по квантовой физике
- Spring School / Весенняя школа
- Summer School / Летняя школа
- International Conference
on Quantum Technologies / Международная конференция
по квантовым технологиям
- Publications / Публикации
Events / Мероприятия
Open RQC colloquium. Lecture 30
The Thirtieth lecture "Parametric gain of traveling microwaves in non-centrosymmetric Josephson metamaterial" in Open RQC Colloquium will be held in National University of Science and Technology MISIS (Moscow, Leninskiy prospekt 4) lecture hall № Б-536 (5th floor), on 20th of October 2017 at 10:00 a.m by Alexander Zorin, Head of Department "Quantum Electronics" of the National Metrology Institute of Germany (PTB - Physikalisch-Technische Bundesanstalt, Braunschweig und Berlin).
Abstract
Some optical materials having broken inversion symmetry can exhibit a so-called chi(2) nonlinearity which gives rise to important quantum effects including second harmonic generation, sum and difference frequency generation and parametric amplification of light. The superconducting technology enabling extremely low-loss components and Josephson junctions with their inherently nonlinear characteristics makes it possible to engineer various networks (metamaterials) possessing remarkable properties for propagating microwaves. We show that nonlinearity of the superconductor transmission line based on one-dimensional array of inductively-shunted Josephson junctions, the so-called rf-SQUIDs, can be effectively controlled by small perpendicular magnetic field ensuring crossover from typical Kerr-like (centrosymmetric) nonlinearity to the pure chi(2), i.e. non-centrosymmetric nonlinearity. The later property allows excellent phase matching enabling large parametric gain of microwaves in C-band with ultimately quantum-limited performance. First experiments performed with Nb trilayer circuits at temperature T = 4.2 K have confirmed the validity of our concept and shown great promise for operation in the single-photon regime.
Biography
Alexander Zorin graduated from the Physics Department of the Moscow State University in 1976, received the Candidate of Sciences degree in 1981 and worked there as junior scientist and then scientist until 1993. He received the Doctor of Sciences degree from the Moscow State University in 2006. Together with Konstantin Likharev he predicted in 1985 the effect of coherent Bloch oscillations accompanying the single Cooper pair tunneling in small-capacitance Josephson junctions and first proposed the experiment on closing the Quantum Metrology Triangle. These findings played later a crucial role in elaboration of the charge qubits and the quantum standard of current. As a guest professor conducting common research and reading lectures on the Josephson effect and single-electronics, he visited in 1988-1993 several European universities. In 1994 he joined the National Metrology Institute of Germany (PTB, Braunschweig und Berlin) as an expert in single electron tunneling and quantum standard of current. He worked there first as a scientist, a head of Project and a head of Laboratory. Starting from 2007, he is the head of Department “Quantum Electronics” (currently having staff of 25 employees) responsible for research and development of superconducting (nano)circuits. This field includes the Josephson voltage standards, nanoSQUIDs, single electron transistors, Josephson qubits, etc. His special interest is currently focused on nonlinear superconducting circuits and microwave light which obey the laws of quantum mechanics.
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Schools and Conferences | Школы и конференции
- International Conference on Quantum Technologies – 2019 / Международная конференция по квантовым технологиям – 2019
- 1st Science School of Quantum Communications / Первая научно-образовательная школа по Квантовым Коммуникациям
- International Conference on Quantum Technologies – 2017 / Международная конференция по квантовым технологиям – 2017
- Summer School – 2016 / Летняя школа – 2016
- Spring School for students and young researchers – 2014 / Весенняя школа для студентов и молодых ученых – 2014
- International Conference on Problems of Strongly Correlated and interacting Systems – 2014 / Международная конференция по проблемам сильно-коррелированных и взаимодействующих систем – 2014
Lecture Courses | Курсы лекций
- Anton Trushechkin, Evgeniy Kiktenko — Quantum Cryptography / Антон Трушечкин, Евгений Киктенко — Квантовая криптография
- Alexander Holevo — Mathematical Fundamentals of Quantum Informatics / Александр Холево — Математические основы квантовой информатики
- Alexey Rubtsov — Concepts and methods of modern theory of condensed matter at equilibrium / Алексей Рубцов — Концепции и методы современной теории конденсированного состояния: равновесные системы
- Boris Krippa — Introduction to the effective quantum field theory / Борис Криппа — Введение в эффективную квантовую теорию поля
- Boris Krippa — Introduction to the theory and applications of the renormalization group method / Борис Криппа — Введение в теорию и приложения метода ренормгруппы
- Alexey Kavokin — Bose-Einstein condensation of Excitons and Exciton-Polaritons / Алексей Кавокин — Бозе-Эйнштейновская конденсация экситонов и экситонных поляритонов
- Andrey Varlamov — Superconductivity and Fluctuation Phenomena in Superconductors / Андрей Варламов — Сверхпроводимость и флуктуационные явления в сверхпроводниках
- Georgy Shlyapnikov — Ultracold Quantum Gases / Георгий Шляпников — Ультрахолодные квантовые газы
- Dmitry Abanin — Introduction to modern condensed matter physics / Дмитрий Абанин — Введение в современную физику конденсированного состояния
Research | Исследования
- Quantum Simulators and Integrated Photonics / Квантовые симуляторы и интегрированная фотоника
- Magneto-optics, Plasmonics and Nanophotonics / Магнитооптика, плазмоника и нанофотоника
- Coherent Microoptics and Radiophotonics / Когерентная микрооптика и радиофотоника
- Quantum Polaritonics / Квантовая поляритоника
- Quantum Communications / Квантовые коммуникации
- Quantum Optics / Квантовая оптика
- Quantum Hacking / Квантовый взлом
- Correlated Quantum Systems / Сильно-коррелированные квантовые системы
- Many-body Theory / Теория многих тел
- Superconducting Quantum Circuits / Сверхпроводящие квантовые цепи
- Advanced Photonics / Передовая фотоника