高温下中子辐照对电光调制器器件速度性能的影响

Ahmed Nabih, Z. Rashed
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引用次数: 8

摘要

在本文中,我们深入研究了电光调制器器件在大范围工作参数下的热辐射硬环境下传输效率的退化。众所周知,辐射诱导的电光调制器缺陷可以改变初始掺杂浓度,产生生成重组中心并引入载流子的捕获。此外,晶格缺陷的速率是热激活的,并且由于损伤的退火而随着辐照温度的增加而降低。环境温度和辐照剂量对电调制器的电光特性有重要影响,从而影响器件的性能特性。此外,我们还深入开发了电光调制器器件的建模基础,可用于分析调制器量子效率、暗电流、调制电压、调制频率、3db带宽、传输信号带宽、调制器质量因子、调制器灵敏度、调制器灵敏度带宽积、开关电压、调制器器件性能指标。辐照电光调制器在不同辐照影响下的工作开关时间和速度响应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Speed Performance Degradation of Electrooptic Modulator Devices by Neutrons Irradiations at High temperature Effects
In the present paper, we have deeply investigated the transmission efficiency degradation of electrooptic modulator devices in thermal irradiated hard environments over wide range of the operating parameters. It is well known that the radiation-induced electrooptic modulator defects can modify the initial doping concentrations, creating generation-recombination centres and introducing trapping of carriers. Additionally, rate of the lattice defects is thermally activated and reduces for increasing irradiation temperature as a result of annealing of the damage. Both the ambient temperature and the irradiation dose possess sever effects on the electro-optical characteristics and consequently the performance characteristics of electroptic modulator devices. As well as we have deeply developed the modelling basics of electrooptic modulator devices, which may be used to analyzed the modulator quantum efficiency, dark current, modulating voltage, modulating frequency, 3-dB bandwidth, transmitted signal bandwidth, modulator quality factor, modulator sensitivity, modulator sensitivity bandwidth product, switching voltage, modulator device performance index, operating switching time and speed response of these irradiated electrooptic modulator devices after different irradiation fluences.
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来源期刊
International Journal of Online Engineering
International Journal of Online Engineering COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS-
自引率
0.00%
发文量
0
审稿时长
12 weeks
期刊介绍: We would like to inform you, that iJOE, the ''International Journal of Online Engineering'' will accept now also papers in the field of Biomedical Engineering and e-Health''. iJOE will therefore be published from January 2019 as the ''International Journal of Online and Biomedical Engineering''. The objective of the journal is to publish and discuss fundamentals, applications and experiences in the fields of Online Engineering (remote engineering, virtual instrumentation and online simulations, etc) and Biomedical Engineering/e-Health. The use of cyber-physical systems, virtual and remote controlled devices and remote laboratories are the directions for advanced teleworking/e-working environments. In general, online engineering is a future trend in engineering and science. Due to the growing complexity of engineering tasks, more and more specialized and expensive equipment as well as software tools and simulators, shortage of highly qualified staff, and the demands of globalization and collaboration activities, it become essential to utilize cyber cloud technologies to maximize the use of engineering resources. Online engineering is the way to address these issues. Considering these, one focus of the International Journal of Online and Biomedical Engineering is to provide a platform to publish fundamentals, applications and experiences in the field of Online Engineering, for example: Remote Engineering Internet of Things Cyber-physical Systems Digital Twins Industry 4.0 Virtual Instrumentation. An important application field of online engineering tools and principles are Biomedical Engineering / e-Health. Topics we are interested to publish are: Automation Technology for Medical Applications Big Data in Medicine Biomedical Devices Biosensors Biosignal Processing Clinical Informatics Computational Neuroscience Computer-Aided Surgery.
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