نتایج جستجو برای: all optical gates

تعداد نتایج: 2124061  

Journal: :Physical Review Letters 1999

1998
Kerry Vahala Roberto Paiella Guido Hunziker

Ultrafast all-optical logic gates that accept optical inputs in which wavelength designates bit position within the overall byte are proposed and demonstrated. Four-wave mixing is shown to provide a conditional test function that can be used to construct any multi-input logic gate. Polarization provides the logic state for each bit. Implementations that use semiconductor optical amplifiers as t...

1996
Jane Fedorowicz Denis Lee John J. Sviokla Bruce Weber

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی برق 1392

پردازش سیگنال تمام نوری یکی از مباحث مهم در زمینه سیستم های مخابراتی و محاسباتی محسوب می شود، که با استفاده از آن می توان از مزایا و ظرفیت های پهنای باند زیاد و سرعت بالای این سیستم ها بهره برد. گیت های منطقی تمام نوری یکی از قطعات کلیدی سیستم های پردازش سیگنال نوری هستند که به کمک آنها عملگرهای اساسی این سیستم ها از جمله تطبیق الگو، شناسایی هدر، سوییچینگ و ... قابل پیاده سازی می باشند. در این ...

2009
Jing Wang Gianluca Meloni Gianluca Berrettini Luca Potì Antonella Bogoni

All-optical flip-flops are key components for photonic digital processing in next generation optical networks and optical computing. In most digital applications signals synchronization with an external reference clock is a basic feature. In this paper an entire set of all-optical clocked flip-flops, including SR, D, T, and JK types is proposed and demonstrated. Each configuration employs a sin...

2007
Aemal Khattak Gregory McKnight Brian Gardner Dwight Mosby Greg McKnight

The main objective of this paper is to report on unsafe actions of motor vehicle drivers at railroadhighway grade crossings and drivers’ response to installation of a centerline barrier that prevented them from driving around the gates. A comparison of unsafe driver actions in the preand post-barrier periods provided an idea about the effectiveness of the barrier in reducing unsafe driver actio...

2013
ANINDYA GUPTA ANUJ RAI SUMAN KUMARI

The science of using optics and related technologies together to provide effective, efficient, and fast computing is called optical computing. The hybrid combination of traditional computing design with some special components that can deliver operation in optical mode is defined as optical computing. Optical computers are capable to transform the image by data encoding. This paper includes the...

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