SQUIRREL · Sensing Quantum Information Correlations
7РП — „Хора“ (Действия „Мария Кюри“)
- Период
- 2014-03-01 → 2015-02-28
- Финансиране от ЕС
- 86 685 €
- Участници
- 1
- Схема
- MC-IEF
Линиите свързват координатора с партньорите.
Накратко на български
Квантовите корелации на информацията се изследват чрез създаване на нов тип светлина с помощта на устройство, наречено „bundler“. Това помага за по-доброто разбиране на фундаменталните свойства на светлината и възможностите за управление на квантови системи.
Кратко обяснение, генерирано от езиков модел по текста на CORDIS. Оригиналът е по-долу.
Резултати накратко
Sensing Quantum Information Correlations
Output (O) & Impact (I) O1: The project has given rise to 12 texts, either already published in high-impact factors journals, under review or still under preparation but to be shortly released. The project has given rise to four presentations in international conferences (two invited) by the Researcher herself (significantly more if including all co-authors). I1: The 2PS, the central concept articulating the theoretical proposal, is now a physical reality. O2: The concept for a new device, the "bundler", generating a new type of light. This has been published in the prestigious Nature Photonic journal, which is exceptional for a purely theoretical work. I2: A News & Views in Nature Photonics describing the Bundler, by D. Strekalov, opens with "Our concept of light has undergone a remarkable evolution" and concludes with "And in terms of fundamental science, the concept of light has received yet another interesting perspective. O3,I3: High-profile experimental groups actively pursue further experimental implementations of the theoretical effects predicted by SQUIRREL , including violation of Bell’s inequalities (group of Prof. A. Müller in Florida) and implementation of the bundler (group of Profs. D. Sanvitto in Lecce, J. J. Finley in Munich and J. Vuckovic in Stanford). Future Directions: he SQUIRREL project terminated leaving in its trail a direct continuation of its workframe, namely, instead of using sensors to probe the output of a quantum system (tagging its photons in frequency in the process), one addresses the non-perturbative excitation of a quantum source onto a receiving end (typically a polariton). This concept is to be presented as an invited talk in the "Hybrid Photonics and Materials International Conference" in Santorini, Greece, end of May 2015, and in the manuscript "Exciting polaritons with quantum light", to be submitted to Phys. Rev. Lett.
Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз
Цел на проекта
Quantum correlations are those supporting technologies such as quantum information processing. For realistic applications, one has to consider open quantum systems, that is, in contact with the classical world through lifetime and excitation. Quantum correlations are transferred through emitted photons, electrons, etc. and characterise the quantum structure of the system and its suitability as a quantum device. The state-of-the-art is the Hanbury Brown-Twiss two-photon counting, which is a particular case of the general problem.At the speed of technological progress, it is now becoming possible to measure higher order correlations of quanta characterised in all their attributes. For instance, cross-correlating photons with fixed frequencies and arrival times is now a routine practice in most laboratories worldwide. The correct interpretation and mastering of such techniques will allow a robust implementation of quantum protocols.Theoretically, the computation of such correlations is extremely complicated and tedious as it needs to keep in the calculation all the degrees of freedom for each carrier. I have recently developed a general formalism, called ""the sensing method"", conceptually transparent and improving computations by several orders of magnitude as compared to the previous methods. This allows to deal for the first time with complicated quantum systems, with many degrees of freedom and particles, and to compute Nth-order correlations, with N>2, at arbitrary times and frequencies.The goal of the SQUIRELL project is to develop and disseminate this novel and interdisciplinary theoretical approach in a wide range of quantum systems (cavity QED, superconducting circuits, atomic and semiconductor systems, plasmonic, Bose-Einstein condensates, etc.), by analysing the physics made accessible by the sensing method, by supporting experiments on quantum correlations in a variety of fields and by exploiting correlations to improve and design new quantum devices.""
Оригинален текст от CORDIS (на английски).
Участници
- UNIVERSIDAD AUTONOMA DE MADRID · MadridКоординаторИспания
Връзки
Данни: CORDIS, © Европейски съюз