Abstract: The apparatus (SW) has a plurality of input/output ports (P1, P2, P3, P4, P5) for receiving and transmitting data packets, and comprises a data packets handling circuitry (DPL) arranged to forward data packets between the input/output ports (P1, P2, P3, P4, P5) and an internal apparatus controller (CPL) arranged to control the data packet handling circuitry (DPL); the apparatus controller (CPL) is arranged to store (MEM) at least one state transition table (TT) to be used for controlling the forwarding of data packets by the data packets handling circuitry (DPL); the apparatus controller (CPL) is arranged to use the state transition table (TT) for implementing at least one finite state machine (FSM); the apparatus controller (CPL) is arranged to use the state transition table (TT) for handling separately distinct incoming data packets flows through corresponding distinct instances of finite state machine; the state transition table (TT) corresponds to the combination of a state table (ST), a condition table (

Abstract: In an integrated polarization splitting and rotating photonic device comprising at least one first waveguide; a second waveguide, both said waveguides extending from an input section to an output section; a top cladding; a bottom cladding and a symmetry-breaking layer so as to form an optical guiding structure in a wafer chip, said top and bottom claddings extending throughout the whole optical guiding structure sandwiching said waveguides therebetween, said symmetry-breaking layer extends in the optical guiding structure at least over the whole guiding structure length, and, at the input section, the at least one first waveguide core has a predetermined width through the optical guiding structure to the output section, receiving an input light signal, and further, the second waveguide core, both at the input and the output section, has a width narrower than said predetermined width of the first waveguide core; so that the optical guiding structure guides a first mode substantially confined within said at lea

Abstract: In an integrated polarization splitting and rotating photonic device comprising at least one first waveguide; a second waveguide, both said waveguides extending from an input section to an output section; a top cladding; a bottom cladding and a symmetry-breaking layer so as to form an optical guiding structure in a wafer chip, said top and bottom claddings extending throughout the whole optical guiding structure sandwiching said waveguides therebetween, said symmetry-breaking layer extends in the optical guiding structure at least over the whole guiding structure length, and, at the input section, the at least one first waveguide core has a predetermined width through the optical guiding structure to the output section, receiving an input light signal, and further, the second waveguide core, both at the input and the output section, has a width narrower than said predetermined width of the first waveguide core; so that the optical guiding structure guides a first mode substantially confined within said at lea