All-Optical OFDM With Cyclic Prefix Insertion Using Flexible Wavelength Selective Switch Optical Processing

All - optical Switch and Digital Light Processing Using Photonic Crystals

We have demonstrated all-optical switching operations by coupled resonator-waveguide systems in two-dimensional Si-based photonic crystals. These systems operate at extremely low power and with a very high switching speed compared with conventional devices using the same nonlinear mechanism due to the use of an ultrasmall resonator with a high quality factor. We also describe an all-optical seq...

1×4 all-optical packet switch with all-optical header processing

We demonstrated a 1×4 all-optical packet switch using injection-locking in a FabryPerot laser diode for all-optical header processing and cross gain modulation in an SOA for packet switching. 2004 Optical Society of America OCIS codes: (230.1150) All-optical devices; (190.1450) Bistability; (140.3520) Lasers, injection-locked

All-Optical Wavelength-Selective Switch by Intensity Control in Cascaded Interferometers

Wavelength-division-multiplexing (WDM) technology has been developing in broadband optical networks. The wavelength range used in fiber transmission systems has been increasing by employing various kinds of fiber amplifiers. In order to make it possible to handle signals of multiple wavelengths efficiently in network nodes, wavelength-selective processing in switching, routing and buffering sys...

Switching Characteristics of All-Optical Wavelength- Selective Switch Controlled by a Single Light

We reports operating condition of a modified architecture of all-optical wavelength-selective switch controlled by a single light. Switching characteristics in a proposed circuit are analyzed with regard to their phase dependence. Keywordsoptical switch; asymmetric X-junction coupler; Raman amplifier; wavelength-selective; Integrated optics; Optical waveguide; Wide wavelength range

All-Optical Wavelength-Shifting Technologies