A control method and device, and an optical transceiver are described in an embodiment of the disclosure. A first optical processing device is connected with a second optical processing device through an optical port link, and a transmission module configured to transmit a signal to the second optical processing device through the optical port link is arranged on the first optical processing device. The method includes: judging whether there is data to be transmitted to the second optical processing device or not in the first optical processing device, and acquiring a judgment result; and controlling the transmission module to be in an off state when the judgment result is NO.

A wavelength-tunable optical filter control apparatus in an optical access system that uses wavelength-multiplexed optical signal of a plurality of wavelength channels includes a wavelength-tunable optical filter configured to pass an optical signal of a specific wavelength channel among the plurality of wavelength channels; a light receiving element configured to convert the optical signal that has passed through the wavelength-tunable optical filter into an electrical signal; a signal quality determining unit configured to determine a quality of the electrical signal; and a wavelength-tunable optical filter control unit configured to acquire a light intensity of the electrical signal and control a wavelength of the wavelength-tunable optical filter based on the acquired light intensity and a determination result of the quality of the electrical signal.

The present invention discloses a method, an apparatus, an optical component and an optical network system for controlling an operating temperature of an optical component. The method includes: acquiring an external ambient temperature of the optical component; setting a target control temperature of a temperature controller according to the external ambient temperature, where the target control temperature is a function value of the external ambient temperature, and the target control temperature is within a range from an operating temperature lower limit of a laser to an operating temperature upper limit of the laser; and controlling, according to the target control temperature, an operating temperature of the optical component by means of heating or cooling by using the temperature controller.

The present invention provides an apparatus for facilitating a photovoltaic device to provide a wireless communication channel. The apparatus comprises a switch connected in parallel with the photovoltaic device and configured for driving the photovoltaic device to produce optical signals carrying sensed data to be transmitted; and a control module connected with the switch and configured for receiving electrical sensing signals and generate a control signal to control the switch. The apparatus provided by the present invention is extremely durable. Compared to existing communication technologies which require extra hardware, the apparatus provided by the present invention is simpler and can be integrated into a single component.

Optical inputs to photonic switches may incorporate a polarization controller in order to change the polarization of the input signal to a pre-determined polarization for operation with the silicon photonics. A last stage of components of the polarization controller may overlap with a first input switching stage. A polarization controller that overlaps with the first stage of the switch input may provide lower insertion loss and power consumption for the photonic switch.

An optical switch chip, an optical switch driving module, and an optical switch driving method are disclosed. The optical switch driving module includes an optical switch chip, and the optical switch chip includes multiple optical switch units. The optical switch units are divided into N groups, where N>=1. Each group of optical switch units shares a pair of electrodes, each pair of electrodes is configured to connect to a multi-frequency driving signal source, and each optical switch unit connects to the multi-frequency driving signal source by using the band-pass filter. Pass bands of M band-pass filters that are connected to M optical switch units in a same group are different, where M>=2. The multi-frequency driving signal source outputs multiple driving signals of different frequencies that are respectively corresponding to the M band-pass filters, so as to drive the optical switch unit.

An optical network-on-chip, an optical router, and a signal transmission method. The optical network-on-chip includes: N2 intellectual property IP cores, N2/2 gateways, and N2 optical routers. The N2 optical routers form two subnets, and every N2/2 optical routers form one subnet. Each gateway in the N2/2 gateways is connected to every two IP cores in the N2 IP cores, where IP cores connected to different gateways are different, and the two IP cores connected to each gateway are in one-to-one correspondences with the two subnets. The N2/2 gateways are in one-to-one correspondences with the N2/2 optical routers in each subnet in the two subnets, where each gateway is connected to an optical router that is in each subnet and that is corresponding to each gateway.

An optical switch comprises a first stage comprising N optical inputs, wherein N is an integer power of 2 and is 16 or greater, and N first sub-switches, wherein each first sub-switch comprises 1 of the optical inputs and 4 first outputs, and a second stage coupled to the first stage and comprising 16 second sub-switches, wherein each second sub-switch comprises M second inputs and M second outputs, and wherein M is equal to N/4.

Systems, apparatus, and methods for a configurable gearbox with a variable number of input lanes and output lanes and a multiplexer for each output lane that can be configured to dynamically select any of the input lanes during each clock cycle.

An example system can comprise an optical circuit switch. An input port module can receive an input optical signal comprising a plurality of input components, perform an optical to electrical to optical conversion on the input optical signal, multiplex the plurality of input components to an internal optical signal, and transmit first internal optical signal on a first internal waveguide. A switch module can receive the internal optical signal and transmit the transformed internal optical signal on a second internal waveguide according to a predefined control algorithm, which can permit any input component to be mapped to any frequency group and sent to any output component. An output port module can receive the internal optical signal, perform another optical to electrical to optical conversion on the internal optical signal, and demultiplex the internal optical signal to an output optical signal comprising a plurality of output components.