نتایج جستجو برای: soi

تعداد نتایج: 4097  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده برق و کامپیوتر 1391

مدارهای نوری توانایی انتقال اطلاعات با سرعتی بسیار بیشتر از مدارهای الکترونیکی معمولی را دارا می باشند. با این وجود، به علت وجود پدیده حد تفرق نور در مدارات و دستگاه های نوری، کوچک سازی و مجتمع سازی آن ها با مشکل جدی روبه رو شده است. یک راه حل برای رفع این مشکل، بکارگیری سیستم های پلاسمونیکی به منظور هدایت سیگنال ها در فرکانس های نوری می باشد. ادوات پلاسمونیکی در حالت کلی از عایق ها و فلزات ناد...

2017
Jeff Chiles Sasan Fathpour

The standard platform for silicon photonics has been ridge or channel waveguides fabricated on silicon-on-insulator (SOI) wafers. SOI waveguides are so versatile and the technology built around it is so mature and popular that silicon photonics is almost regarded as synonymous with SOI photonics. However, due to several shortcomings of SOI photonics, novel platforms have been recently emerging....

2013
Alessandro da Silveira Dias Leandro Krug Wives Isabela Gasparini

Recommender systems help users to cope with information overload and have become one of the most powerful and popular tools in electronic commerce. In order to provide better recommendations and to be able to use recommender systems in arguably more complex types of applications, most of the typical used approaches need significant extensions. On the video recommendation domain, one of these ex...

2015
Jelena Klinovaja

We study intragap bound states in the topological phase of a Rashba nanowire in the presence of a magnetic field and with non-uniform spin orbit interaction (SOI) and proximity-induced superconductivity gap. We show that fermionic bound states (FBS) can emerge inside the proximity gap. They are localized at the junction between two wire sections characterized by different directions of the SOI ...

2004
ZHICHANG GUO DAVID H. BROMWICH KEITH M. HINES

The impacts of the El Niño–Southern Oscillation (ENSO) on the Antarctic region are of special importance in evaluating the variability and change of the climate system in high southern latitudes. In this study, the ENSO signal in modeled precipitation over West Antarctica since 1979 is evaluated using forecast precipitation from several meteorological analyses and reanalyses. Additionally, a dy...

2003
Amaury Nève Denis Flandre

Smart cards have been commercial products for 15 years, but they have only found use in a broad range of applications in the past few years. Most early applications, such as prepaid phone cards, used memory cards with access logic. Adding a CPU to the card enhanced the security and paved the way for more possibilities: subscriber identification module (SIM) cards in cellular phones, banking car...

2011
Esha D. Nerurkar Ke X. Zhou Stergios I. Roumeliotis

In this paper, we consider the problem of multi-centralized Cooperative Localization (CL) under severe communication constraints, i.e., when each robot can communicate only a single bit per real-valued (analog) measurement. Existing approaches, such as those based on the Sign-of-Innovation Kalman filter (SOI-KF) and its variants, require each robot to process quantized versions of both its loca...

2015
Dengpeng Yuan Ying Dong Yujin Liu Tianjian Li

A high-sensitivity Mach-Zehnder interferometer (MZI) biochemical sensing platform based on Silicon-in-insulator (SOI) rib waveguide with large cross section is proposed in this paper. Based on the analyses of the evanescent field intensity, the mode polarization and cross section dimensions of the SOI rib waveguide are optimized through finite difference method (FDM) simulation. To realize high...

2010
Yanqing Deng Rajvi Rupani James Johnson Scott Springer

The High-K Metal Gate (HKMG) technology has become the keystone to reduce gate leakage and enable the continuous scaling of transistors towards 32nm node and beyond. However, the reduction of gate leakage in 32nm HKMG PD (Partially Depleted)-SOI (Silicon-On-Insulator) CMOS (Complementary Metal–Oxide–Semiconductor) inevitably changes the modeling methods for gate current, floating body effect, a...

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