Optical directed logic (DL) is a novel logic operation scheme that employs electrical signals
as operands to control the working states of optical switches to perform the logic functions …

In the development of the technology of all-optical integrated circuits, the logic gates play
considerable role in the progress of optical components. As one of the main building-blocks …

An all-optical reconfigurable logic operation essentially constitutes a key technology for
performing various processing tasks with ultrafast signal-processing technologies. We …

In this paper, the possibility of using a silicon waveguide based microring resonator as a
nonlinear all-optical switch is described under low power operation through a two-photon …

We present designs of all-optical SR, clocked-SR, D and T flip-flops, simultaneous single-bit
comparator-decoder and reconfigurable logic unit based on all-optical switching by two …

Photonic integrated circuits are suffering rapid development and attracting lots of interests in
various application fields, however, obstacles like low integration of photonics components …

We present designs of all-optical ultrafast YES/NOT, XOR/XNOR logic gates, binary counter,
and double-bit comparator based on all-optical switching by two-photon absorption induced …

Photonic integrated circuits with compact design have opened possibilities for the
development of optical computing systems; however, the overuse of photonic components in …

We report on an eight-channel reconfigurable optical add-drop multiplexer (ROADM) based
on micro-ring resonators (MRRs). The effective footprint of the device is about 1000× 760 μm …

All-optical universal JK flip-flop (FF) is designed and demonstrated using ripple ring
resonator (RRR). Four InGaAsP-InP optical microring resonators (OMRRs) are used to …