In this paper we combined an optical mixer via photonic crystal ringresonator to propose an all optical 1 to 2 decoder. The main idea used in this paper isbased on controlling the optical behavior of the resonant ring via optical powerintensity. We know that resonant wavelength of the photonic crystal ring resonator isvery sensitive upon the refractive index of dielectric rods, on the other had...

This thesis describes the implementation of a router chip for a network of processors. The router features the simultaneous bidirection pad drivers and a diagnostic port with a JTAG interface. The design process results in some useful experience for the development of a complex VLSI system in an academic research environment. The router chip is designed for a 3.3v 0.8pm 3 metal layers CMOS proc...

In this section, we introduce some techniques for implementing the beam routing, and collision avoidance in the recievers. Each node has a beam router, such as a computer generated hologram or a deformable mirror, which is capable of redirecting k (or 1 in the single-port model) optical beams concurrently. The reconfiguration (programming the computer generated hologram, or deforming the mirror...

The main interconnecting device of today’s Internet the router, forwards IP packets without any true Quality of Service (QoS) considerations. This paper discusses a new approach for routing IP packets, which provides a basic QoS characteristic. It is shown that, by fine-tuning the parameters of a multi-port router, service discrimination can be achieved, according to the priority value set for ...

This paper covers new optical packet switching router technologies, system architectures, and the future photonic Internet. In particular, we will discuss all-optical label switching routers scalable to 42 Petabit/sec switching capacity, experimental demonstrations of 11 hop cascaded operation, and a 477 km fiber link field trial. Introduction Optical packet switching routers allow integration ...

Although optical technologies have been effectively employed to increase the capacity of communication links, it has proven difficult to apply these technologies towards increasing the capacity of Internet routers, which implement the central forwarding and routing functions of the Internet. Motivated by the need for future routers that will forward packets among several high-speed links, this ...

A new scheme for packet transaction in a router is used, which provides load sharing among multiple network processors for various traffic patterns by introducing an OCGRR scheduler at the output port of the core router and multiprocessors . A feedback control mechanism prevents processor overload. The incoming traffic is scheduled by using a mapping formula derived from the robust hash routing...

The paper [1] considers a backbone computer network formed by routers labeled with r = 1, . . . , R, line cards labeled with c = 1, . . . , C, communication ports labeled with p = 1, . . . , P and directed links labeled with e = 1, . . . , E. The hierarchical representation of a router is assumed, i.e., each router is equipped with a number of line cards and each card contains a number of commu...

Architecture of a novel optical router is designed in RTL and implemented in FPGA for the use of bulk flow TCP in optical IP networks. Various functional blocks of optical router like fabrication of flow from the incoming packets, processing the flow for routing process, contention resolution, buffering the packet or flow based on the wavelength and channel availability and transmission of the ...