110 research outputs found
Effect of effective microorganisms and growth media on the growth of potted Taiwan Cherry seedling. (Prunus Companulata _TTS.DATE
No full textSuperconducting single-photon detectors get hot
No full textGreen Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.QN/Groeblacher LabQN/Quantum NanoscienceImPhys/Esmaeil Zadeh grou
Review of I.Z. Farkhutdinov’s Monograph “The Evolution of International Law – from Westphal to Versailles”, 2024
No full textINTRODUCTION. The history of international law has attracted special attention of domestic legal scholars in the past and continues to arouse high scientific interest among legal researchers at the present time. There is no doubt that this issue will not cease to be the subject of serious scientific research in the future. The ongoing scientific study of issues related to the history of international law is quite justified. On the one hand, the ongoing development of international relations and modern trends in interstate interaction allow us to rethink past events in world life. On the other hand, the future sustainable and effective development of international law is impossible without analyzing the past. This is explained by the fact that turning to the accumulated experience of international legal regulation, as well as to early and subsequent concepts of international law, can provide invaluable assistance in solving the problems facing the world community in modern times. In this regard, there is no doubt about the relevance of the monograph by I.Z. Farkhutdinov «Evolution of International Law – from Westphal to Versailles», published in 2024.MATERIALS AND METHODS. The writing of this work is based both on the approaches and conclusions formulated in the monograph under review, and on the scientific works of domestic and foreign international lawyers on the issues under consideration. In preparing the review, general scientific and special methods of cognition used in legal research were used.RESEARCH RESULTS. The chronological framework of the presented study is designated by the adoption of a few important international documents, which, on the one hand, marked the completion of the Thirty Years' War of 1618-1648 and the First World War of 1914-1918, respectively, and, on the other hand, established certain models of international relations in a specific historical period. The monograph opens with a study of the origin of international law as a regulator of interstate relations. Then it moves on to the problems of the Vienna Congress and the formation of the Vienna system of international relations. The final part of the monograph is entitled «From Sarajevo to Versailles. From the «law of military conflicts» to the First World War.DISCUSSION AND CONCLUSIONS. In conclusion, it is noted that the monograph by I.Z. Farkhutdinov «Evolution of International Law – from Westphal to Versailles» is a monographic work with a deep personal view of the history of international law of the 16th-20th centuries, with extensive use of the achievements of related social sciences: history, theory of international relations, political science, which makes a significant contribution to the development of international legal science. On the one hand, it invites to discuss the stated topic, and on the other, serves as a guide for future legal research on the history of international law (both the legal system and science), as well as interstate relations. In addition, it is hoped that subsequent studies of the evolution of international law, covering other geographical and chronological frameworks of its historical development, will be reflected by the author of the monograph under review in his further scientific research
Urban Permeation
No full textUrban permeation and local integration of socioeconomic relations in Sector 4 & 5 in the municipality of Ecatepec de MorelosDSD - Urban AsymmetriesArchitectur
Integrated Quantum Photonics: from modular to monolithic integration
No full textIn the past decades quantum optics has been at the forefront of quantum innovative technologies. For practical applications, scalable platforms for implementation of quantum optical circuits are vital. This thesis presents two new platforms for scalable implementation of quantum optical circuits, namely, modular approach and monolithic integration. Here, we take the first steps towards the integration of three main elements of every quantum optics circuits: Single-photon emitters, single-photon detectors, and quantum logics. Until now, most quantum optical circuits used separate platforms for single-photon generation and detection. The main challenge in the integration of these technologies, which have different requirements, has slowed down the research in the field. Here, we integrate sources and detectors by first fabricating the devices on their own platform and then transferring and combining them together. Plasma enhanced chemical vapor deposition of silicon nitride followed by etching optical waveguides connect these elements. Removing the Poissonian optical excitation field from the quantum circuit is necessary for integration. Classical optical excitation can be avoided if the sources are electrically pumped. However, fabrication of high-quality electrically pumped sources, suitable for integration, has been limited. The experiments described in chapter 4 are our first step towards addressing the mentioned problem. Defect-free nanowires are grown on <100> direction and their optoelectronic performance are characterized. Nanowire quantum dots, thanks to their waveguiding, purity, coherence and their potentials for deterministic integration with other optical circuits, are promising single-photon sources for on-chip quantum optics. However, precise control of the emission energy of the quantum dots by growth has not become possible yet. Chapter 5 describes a method for on-chip tuning of emission energy of nanowire quantum dots using strain fields. We show the emission energy of independent nanowire quantum dots can be brought into degeneracy without affecting their single-photon emission properties. The quantum optical components have to be routed and connected together to form functional circuits. On a chip, this is usually carried out using optical waveguides. Moreover, manipulation of single photons has to be done in a scalable fashion. Again optical waveguides and ring resonators are very good candidates for this task. Therefore, understanding the behavior of these circuits such as their losses, polarization dependence, and temperature behavior is important. The experiment described in chapter 6 studies the behavior of plasma enhanced silicon nitride waveguides in cryogenic temperatures. We concluded in this chapter that due to weak thermo-optic sensitivity of silicon nitride at cryogenic temperatures, the available thermal budget on the system should be carefully considered. An important step in achieving a scalable platform for quantum optical circuits is deterministic and efficient integration of single-photon sources. In chapter 7, we demonstrate successful integration of III-V nanowire quantum dots with silicon nitride waveguides. The nanowires are deterministically selected and transferred from the original growth chip to the new substrate where they are integrated with low-loss silicon nitride waveguides. Our measurements show that the integrated sources preserve their high quality emission properties. In chapter 8, we describe an alternative approach: amodular method for scalable quantum optics. The proposed technique is based on coupling the single-photon from sources into optical fibers where the photons can be processed and then fed into the single-photon detectors. This approach has high flexibility and is easier to implement but as described in the chapter, at the moment, losses in the interfaces between optical fibers and single-photon sources are a major limiting factor. We conclude the thesis with some possible future directions and exciting new results on integration of single-photon detectors with sources and waveguides. Finally, primary results on on-chip single-photon filtering and removal of the optical excitation field are demonstrated.Casimir PhD series, Delft-Leiden 2016-27QN/Quantum Nanoscienc
Single-input and single-output (SISO) controller reduction based on the -norm
No full textThis paper proposes a new method to solve the controller-reduction problem based on the -norm. This method uses a reduced-order closed-loop system to deduce reduced-order controllers. The problem of obtaining the required lower-order closed-loop system was formulated as an -norm optimization, and the conditions were provided for guaranteeing the internal stability and the existence of lower-order controllers from the obtained reduced-order closed-loop system. In addition, the particle swarm optimization and sequence linear programming were adopted to solve the resultant -norm optimization. Two numerical examples demonstrated the effectiveness of the proposed method
Automatic detection efficiency measurements of Superconducting Nanowire Single Photon Detectors
No full textSuperconducting nanowire single-photon detectors (SNSPDs) are characterized by their quantum limited ability to accurately detect single photons, with low jitter, high detection efficiency and low dark count rate. To achieve this, the detector is cooled to 2-3K, bringing the device in a superconductive state, and is then biased with a direct current (DC) close to its critical current. When a photon impinges the detector, the depairing of Cooper-pairs by the photon leads to local destruction of the superconductivity. The growth of this non-superconducting area, first across and then along the nanowire, leads to the development of a measurable resistance and hence the production of detection pulses. Increasing system detection efficiency (SDE) of detectors has been a long-term goal in the community. Recently ultrahigh efficiency detectors (SDE>98%) have been demonstrated. It has also been shown that the wavelengths dependence of SDE, typically defined by a quarter wavelength cavity, is modulated by fiber-detector airgap (Fabry–Pérot). Measuring such modulations and finding the optimal operation wavelength manually is a time consuming and tedious process. In this thesis a setup for automatic measurement of SDE versus wavelength was developed and benchmarked. For the tested detector, efficiencies were found ranging between 22% and 95% in the wavelengths range between 1260nm and 1650nm. For the optical circuit using Single Mode (SM) fibers only, the automated SDE measurements were unreliable due to shifts in polarisation during measurements. Using PM fibers led to efficiencies very similar to the values measured manually.Applied Physic
Multiple sclerosis
Full text linkРозсіяний склероз піддається повному виліковуванню шляхом застосування регенеративного лікування за методикою Палінського Ігоря Зеноновича, захищеною авторським правом. Шляхом проведення ранньої діагностики та профілактики можна не допускати нових випадків захворювання. При лікуванні розсіяного склерозу після вживання гормональних препаратів лікування збільшується на три - п'ять років та сильно ускладнюється сам процес лікування. Зусилля, затрачені на лікування розсіяного склерозу, набагато менші від зусиль, затрачених на лікування побічних явищ й наслідків гормональних препаратів. Лікуванням захворювання повинні займатись виключно фахівці з вегетативної неврології, які володіють регенеративним лікуванням. Треба категорично заборонити гормональні препарати (стероїдні, нестероїдні), білкові препарати, препарати крові, їх синтетичні аналоги при лікуванні розсіяного склерозу та взагалі в лікарській практиці, засобах гігієни, косметиці, продуктах харчування.The author of the article expresses his thanks to all participants of the experiment and Private enterprise: Cure & Health Improvement Training Centre “Victoria” where the experiment was conducted. All expenses in connection with the experiment were covered by the author and Private enterprise: Cure & Health Improvement Training Centre “Victoria” solely
Multiple sclerosis
No full textРозсіяний склероз піддається повному виліковуванню шляхом застосування регенеративного лікування за методикою Палінського Ігоря Зеноновича, захищеною авторським правом. Шляхом проведення ранньої діагностики та профілактики можна не допускати нових випадків захворювання. При лікуванні розсіяного склерозу після вживання гормональних препаратів лікування збільшується на три - п'ять років та сильно ускладнюється сам процес лікування. Зусилля, затрачені на лікування розсіяного склерозу, набагато менші від зусиль, затрачених на лікування побічних явищ й наслідків гормональних препаратів. Лікуванням захворювання повинні займатись виключно фахівці з вегетативної неврології, які володіють регенеративним лікуванням. Треба категорично заборонити гормональні препарати (стероїдні, нестероїдні), білкові препарати, препарати крові, їх синтетичні аналоги при лікуванні розсіяного склерозу та взагалі в лікарській практиці, засобах гігієни, косметиці, продуктах харчування.The author of the article expresses his thanks to all participants of the experiment and Private enterprise: Cure & Health Improvement Training Centre “Victoria” where the experiment was conducted. All expenses in connection with the experiment were covered by the author and Private enterprise: Cure & Health Improvement Training Centre “Victoria” solely
Multiple sclerosis
No full textРозсіяний склероз піддається повному виліковуванню шляхом застосування регенеративного лікування за методикою Палінського Ігоря Зеноновича, захищеною авторським правом. Шляхом проведення ранньої діагностики та профілактики можна не допускати нових випадків захворювання. При лікуванні розсіяного склерозу після вживання гормональних препаратів лікування збільшується на три - п'ять років та сильно ускладнюється сам процес лікування. Зусилля, затрачені на лікування розсіяного склерозу, набагато менші від зусиль, затрачених на лікування побічних явищ й наслідків гормональних препаратів. Лікуванням захворювання повинні займатись виключно фахівці з вегетативної неврології, які володіють регенеративним лікуванням. Треба категорично заборонити гормональні препарати (стероїдні, нестероїдні), білкові препарати, препарати крові, їх синтетичні аналоги при лікуванні розсіяного склерозу та взагалі в лікарській практиці, засобах гігієни, косметиці, продуктах харчування.The author of the article expresses his thanks to all participants of the experiment and Private enterprise: Cure & Health Improvement Training Centre “Victoria” where the experiment was conducted. All expenses in connection with the experiment were covered by the author and Private enterprise: Cure & Health Improvement Training Centre “Victoria” solely
- …
