نتایج جستجو برای: semiconductor switch
تعداد نتایج: 119851 فیلتر نتایج به سال:
A monolithically integrated 16×16 Quantum Well Semiconductor Optical Amplifier switch is demonstrated. The switch has a 2dB facet-to-facet gain, a mean power penalty of 3dB and worst path power penalty < 5.5dB operating at 10Gb/s. Keywords-SOA;Optical switch
سیستم قدرت بزرگترین و گسترده ترین سیستم ساخته ی دشت بشر در هر کشوری است که هر لحظه دستخوش آسیب ها و اتفاقات ناخواسته است و در صورت عدم تصمیم گیری و اقدام به موقع حیات این سیستم را به خطر می اندازد. یکی از این آسیب هایی که به صورت مکرر در سیستم قدرت روی می دهد عیب اتصال کوتاه است. امروزه نیاز به انرژی الکتریکی روز به روز افزایش می یابد و علاوه بر افزایش تقاضا مشتریان انرژی الکتریکی انتظار توان ب...
Nanoelectromechanical (NEM) switches are similar to conventional semiconductor switches in that they can be used as relays, transistors, logic devices and sensors. However, the operating principles of NEM switches and semiconductor switches are fundamentally different. These differences give NEM switches an advantage over semiconductor switches in some applications--for example, NEM switches pe...
The newest semiconductor devices on the market are MOSFET transistors based on the silicon carbide – SiC. This material has exclusive features thanks to which it becomes a better switch than Si – silicon semiconductor switch. There are some special features that need to be understood to enable the device’s use to its full potential. The advantages and differences of SiC MOSFETs in comparison wi...
The field of plasmonics has experience a renaissance in recent years by providing a large variety of new physical effects and applications. Surface plasmon polaritons, i.e. the collective electron oscillations at the interface of a metal/semiconductor and a dielectric, may bridge the gap between electronic and photonic devices, provided a fast switching mechanism is identified. Here, we demonst...
The main aim of this investigation is to assess the suitability of modern power semiconductor devices for pulse power applications. Pulse power system involves the storage of energy, which is released in form of high power pulse to the load by means of a switching device. Hence the basic components of pulse power system are an energy storage element, a switch, and a load circuit. The energy sto...
We show that by illuminating an InGaAs/GaAs self-assembled quantum dot with circularly polarized light, the nuclei of atoms constituting the dot can be driven into a bistable regime, in which either a thresholdlike enhancement or reduction of the local nuclear field by up to 3 T can be generated by varying the pumping intensity. The excitation power threshold for such a nuclear spin "switch" is...
In this paper we discussed different switch architectures. We focus mainly on optical buffering. We investigate an all-optical buffer architecture comprising of cascaded stages of quantum-dot semiconductor optical amplifier-based tunable wavelength converters, at 160 Gb/s. We also propose the optical buffer with multi-wavelength converters based on quantum-dot semiconductor optical amplifiers. ...
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