We present an incoherent optical spectral CDMA (OS-CDMA) multiple-access system that uses in-fibre Bragg gratings for encoding/decoding. The system comprising four channels, one desired and operating at a 2.5Gbps and 10Gbps. Our measurements verify that this technique suffers from severe chromatic dispersion. Nevertheless with appropriate dispersion compensation, the system is able to achieve a span of 100km.
This paper presents a study on an all-optical multicasting switching matrix design based on SOA and AWG technology
for all optical DWDM network. The technique not only has the capability to control the degree multicasting optically but
also perform double stage of wavelength conversion. Experimental results have shown the design's capability to
multicast an incoming 10Gbps optical signal onto 16 outgoing signals using Cross Gain Modulation and then using
Cross phase modulation as a second stage of conversion to perform 2R (re-amplified and re-shape).
This paper introduces a novel FTTH-PON network architecture suitable for unlimited user and service scaling. It employs a passive NxN AWG and exploits the wavelength cyclical routing which is made possible by the devices Free Spectral Range (FSR) property at 2.5Gbps. The proposed architecture is based upon the WDM-PON features unique
properties including the possibility of offering simultaneously both broadcast and switches services plus additional advantages in term of signal privacy, easy fault location and direct capacity upgrade and also has the potential of offering a wide variety of services on the same physical network. Although the additional AWG in the network posses an extra 5dB power penalty but an optical transmission test demonstrate an error free transmission has been achieved with a 25km passive optical link with a 16×16 AWG and a 1×32 splitter installed.
This paper introduces a design for a high capacity multicasting capable Optical Packet Switched Router (OPSR). It incorporates an Arrayed Waveguide Grating (AWG) as its core switching matrix to manage the ever increasing packet switched traffic within the optical network. The OPSR has the capability to switch optical packet traffic through the AWG with a switching speed of a few nano-seconds (nsec) at a bit rate of 10Gbps and above with multicasting capability. The capabilities offered by this OPSR will speed up all-optical packet switching and reduce packet latency and consequently packet loss.