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Physical Electronics

Physical Electronics is an interdisciplinary subject of electronics, modern physics, optoelectronics

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Physical Electronics is an interdisciplinary subject of electronics, modern physics, optoelectronics, quantum electronics, superconducting electronics and related technologies. It mainly carries out basic and applied research in the fields of electronic engineering and information science and technology. In recent years, the discipline has developed rapidly, constantly covering new disciplines, promoting the expansion of secondary disciplines such as electromagnetic field and microwave technology, microelectronics and solid-state electronics, circuits and systems, as well as related primary disciplines such as information and communication systems and optical engineering, and forming a number of new scientific and technological growth points, such as light wave and photon technology, information display technology and devices, high-speed optical fiber communication and optical fiber network, etc, Become one of the important cornerstones of information science and technology in the next century.

Professional research topics

Physical Electronics studies the influence of physical frontiers such as particle physics, plasma physics and laser on the concepts and methods of electronic engineering and information science, and the resulting new fields and growth points of electronics. This discipline focuses on the technology of processing small time scale signals under extreme conditions such as strong irradiation, low signal-to-noise ratio and high channel density, as well as the application prospect of these technologies in a wide range of fields. The problems to be solved in the following research directions go beyond the research field of a single discipline and form a unique part of Physical Electronics:

Quantum communication theory and experimental research: quantum computer is the development direction of computer in the future. The research on quantum communication technology in theory and experiment is the basis of realizing the next generation computer. The research on quantum computer is of great significance.

Real time physical information processing: one of the characteristics of physics Frontier (such as particle physics) experiments is the large amount of information, and the ratio of useful information to total information is 10 to 15 orders of magnitude, which is far beyond the limit of general electronic technology. How to process a large amount of data in real time according to the requirements of physics, so as to obtain useful information, is the key to the success of the experiment. The research results in this direction are of great significance to the integration of large-scale systems and the application of real-time operating systems

Random information extraction technology under strong noise background: on the micro scale, the signal from the sensor is often lower than the noise and random at the same time. The research on the extraction of random signals and transient physical information under the background of strong noise is not only the requirement of frontier disciplines of physics, but also the basis of signal processing in radar, sonar and other fields.

Nonlinear Electronics: use electronic experimental methods to study nonlinear phenomena, generate chaotic phenomena by electronic means, and study how to realize chaotic synchronization and chaotic communication.

Research on high-speed signal interconnection and its physical mechanism: when the data transmission rate reaches Gigabit or higher, the transmission of signals on carriers such as cables and printed boards involves physical mechanisms such as dielectric loss, skin effect and electric field distribution. Only by introducing physical research methods can these problems in electronic engineering and information technology be solved.

Irradiation Electronics: irradiation causes damage to semiconductor materials, resulting in their performance degradation or even failure. Studying the influence of irradiation on the performance and life of devices, selecting irradiation resistant materials and solving the measurement of radiation field are of great significance for military and space electronic engineering, nuclear safety technology and nuclear medicine.


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