An ultra fast optical header replacement technology and its application for broadband optical packet switch.

An optical header replacement technology based on Self Electro-optic Effect Devices (SEEDs) is presented. By using the measurement result of a 75 μm long SEED device, we simulate an 8 Gbps throughput is achievable. Based on the switching characteristics of SEEDs, we proposed several methods to improve the SEEDs switching speed. An ultra fast switching speed at 50 Gbps is achievable by integrating external components and applying a pair of preset pulses. Due to the convenience of operation in both the optical domain and the electrical domain, it is very suitable for optical header processing; therefore it is an ideal candidate solution for optical fast packet switch

New passive optical network architectures for fiber-to-the-desk application

We propose new network architectues that will compet with the existing copper based local area networks in overall cost and still offer a better prformance: less downtime, lower mantenance cost, extended geometrical spans and larger headroom for future capacity increase. Presented passive fiber optic network topologies represent a novel approach in fiber-t-the-desk applications. In the proposed architectures the generally accepted standard for LAN, namely Fast Ethernet is used in order to provide cheaper implementation of the networks. Moreover, an architecture is presented based on ATM which is supposed to be the future protocol for LAN's

Gigabit All-optical Shift Register for Photonic Fast Packet Switches

The demonstration of an all-optical shift register is introduced by using a master-slave integrated configuration of self electro-optic effect devices. The system structure, system performance and some possible improvements are presented. The dependence of the switching performance is discussed by analyzing the device's transmission coefficients and absorption coefficients. Based on these performance analyses, an improved scheme is discussed, which can provide a 2 Gbps throughput. Considering its advantage of application in optical storing, optical computing, optical wavelength converting and optical modulating, we presented the application of this all-optical shift register in optical fast packet switche

Performance, Improvement and Perspective Application of an All-optical Shift Register

An all-optical shift register based on self electro-optic effect devices is introduced. The switching behavior, system performance and some possible improvements are presented, Calculations show the system bit rate could be up to 790 Mbit/s with 1 mW clock power. An improved scheme is discussed, which can provide 2 Gbit/s throughput for 1 mW clock power. Finally we present an application of this all-optical shift register in fast photonic packet switchin

Ultrafast All-Optical Shift Register and Its Perspective Application for Optical Fast Packet Switching

SEED (self-electrooptic effect device) configuration, symmetric-(S) SEED switching characteristics, a single all-optical memory cell, and the packet switch structure are briefly introduced. By applying a planar integrated optical circuit based on SEEDs, the demonstration of an all-optical memory cell, which can be used in optical switching and optical data storing is introduced by using master-slave integrated configuration of SEEDs. The system structure, the switching performance, and the dependence of the switching speed are discussed. Based on these performance analyzes, some improved schemes are presented. By applying a pair of external preset pulses and integration of inductors, the SEED's devices even can provide 50 Gb/s throughput with data power of 1 mW, this is very competitive for optical communication. Based on these analyzes, an all-optical shift register that utilizes SEEDs embedded in the connecting optical waveguides is presented. Considering its advantage of application in optical packet header processing, we present the application of this all-optical shift register in an optical multiprotocol label switching switc