The invention relates to a system of an automotive vehicle, including a reception module able to receive a light beam. The reception module includes an elementary acquisition module including a photodetector able to convert a light signal it receives into an electrical signal. The reception module includes an optical unit arranged in front of the elementary acquisition module, the optical unit including a lens made of an absorbent material to form a first optical bandpass filter able to transmit a first wavelength range and an optical element arranged to form a second optical interference filter able to transmit a second wavelength range at least partially included in the first range and substantially narrower than the first range.

A high peak bandwidth I/O channel embedded within a multilayer surface interface that forms the bus circuitry electrically interfacing the output or input port on a first semiconductor die with the input or output port on a second semiconductor die.

The embodiments of the present disclosure relate to an optical transmitter, an optical transmitting node, and an optical interconnection system. The optical transmitter comprises: a light source, for outputting an optical carrier; and an electro-optical modulation structure, comprising a first modulator and a second modulator, wherein the first modulator and the second modulator are configured to acquire a sideband signal for transmitting control data and an in-band signal for transmitting traffic data respectively, and modulate the optical carrier to load the sideband signal and the in-band signal respectively, thereby outputting a first optical signal and a second optical signal.

This application provides example receiver optical sub-assemblies, example bi-directional optical sub-assemblies, and example optical network devices. One example receiver optical sub-assembly includes a photodiode, a trans-impedance amplifier, and a first filter component. The photodiode is configured to convert an optical signal into an electrical signal, a positive electrode of the photodiode is connected to an input terminal of the trans-impedance amplifier, and a negative electrode of the photodiode is configured to connect to a power supply. The trans-impedance amplifier is configured to amplify the electrical signal output by the photodiode, where a power terminal of the trans-impedance amplifier is configured to connect to a power supply, and a first ground terminal of the trans-impedance amplifier is configured to connect to an external ground.

An optical receiver that includes an input port configured to receive intensity modulated optical signal with multipath interference (MPI); a detector configured to convert the intensity modulated optical signal with multipath interference to an electrical signal; a high pass filter (HPF) configured to filter the electrical signal and suppress carrier-carrier beat noise induced by the MPI to produce a filtered electrical signal; and an output port configured to transmit the filtered electrical signal.

Design and construction of high interconnection density, minimal loss I/O channels comprising embedded passive networks that preserve signal integrity at signaling frequencies above 1 GHz, preferably above 10 GHz, to improve memory-processor bandwidths.