An optical device (100) for an optical network, comprising an optical input (110), a passive optical component (112), a memory device (114) for storing information relating to the passive optical component. The optical device further comprises an optical splitter (116) configured to power split off a portion of received optical signals to form split optical signals and to output the remaining optical power of received optical signals to the passive optical component and a photodetector (118) configured to receive the split optical signals and to generate a corresponding photodetector output signal. Further the optical device comprises an accumulator (120) configured to be charged by the photodetector output signal, a laser (122) configured to be powered by the accumulator and a controller (124) configured to, in response to a trigger from the photodetector, read said information from the memory device and to cause the laser to transmit an optical signal from an optical output (110), the optical signal carrying a message based on said information read from the memory device.

Systems and methods for mapping optical connections in an FDH are disclosed. An example system includes an FDH and a computing device. The FDH includes a bulkhead having: a plurality of passive optical couplers each having a respective first port to receive a respective first optical fiber, a respective second port to receive a respective second optical fiber, and a respective passive optical activity indicator configured to expose first light propagating in the respective first optical fiber, and second light propagating in the respective second optical fiber; and an image sensor configured to capture one or more images of the plurality of passive optical activity indicators. The computing device configured to, based on the one or more images, determine which of the plurality of passive optical couplers are receiving a first optical signal at their respective first port and/or receiving a second optical signal at their respective second port.

The concepts and technologies disclosed herein are directed to quantum tampering threat management. According to one aspect of the concepts and technologies disclosed herein, a quantum security manager (“Q-SM”) can monitor a plurality of quantum channels for tampering. The Q-SM can detect tampering on a quantum channel of the plurality of quantum channels. The Q-SM can provide tampering monitoring statistics to a software-defined network (“SDN”) that, in turn, notifies a quantum security operations center (“Q-SOC”) about the tampering on the quantum channel. The Q-SM can receive threat mitigation instructions from the Q-SOC. The threat mitigation instructions can instruct the Q-SM how to counter the tampering on the quantum channel. The Q-SM can perform one or more actions in accordance with the threat mitigation instructions to counter the tampering on the quantum channel.

An apparatus includes a reconfigurable optical add/drop multiplexer (ROADM) having an input port to receive a first optical signal from a second device. The ROADM also includes a first wavelength selective switch (WSS), in optical communication with the input port, to convert the first optical signal into a second optical signal, a loopback, in optical communication with the first WSS, to transmit the second optical signal, and a second WSS, in optical communication with the loopback, to convert the second optical signal to a third optical signal and direct the third optical signal back to the second device via the input port.

Systems and methods for collecting information regarding optical connections in an FDH are disclosed. An example FDH includes: a bulkhead having a plurality of passive optical couplers, each of the plurality of passive optical couplers having a respective first port adapted to receive an end of a respective first optical fiber, a respective second port adapted to receive an end of a respective second optical fiber, and a respective passive optical activity indicator configured to expose (i) a portion of first light propagating in the respective first optical fiber when the first optical fiber is received in the first port, and (ii) a portion of second light propagating in the respective second optical fiber when the second optical fiber is received in the second port; and an image sensor configured to capture one or more images of the respective passive optical activity indicators of the plurality of passive optical couplers.

Systems and methods include obtaining a network state of a network having a plurality of nodes interconnected by a plurality of links and with services configured between the plurality of nodes on the plurality of links; utilizing a reinforcement learning engine to analyze the services and the network state to determine modifications to one or more candidate services of the services to increase a value of the network state; and, responsive to implementation of the modification to the one or more candidate services, updating the network state based thereon. The modifications can include changes to any of routing, modulation, and spectral assignment to the one or more candidate services.

An example system includes a transceiver and a microcontroller. The microcontroller is configured to receive first messages from a hub node via first network interfaces of the transceiver, and determine first logical identifiers associated with ingress data flows. Further, the microcontroller is configured to receive second messages from leaf nodes via second network interfaces of the transceiver, and determine second logical identifies associated with egress data flows. Further, the microcontroller is configured to generate a resource assignment map based on the first and logical identifiers, and to generate a command to cause the transceiver to transmit the egress data flows in accordance with the resource assignment map. The resource map indicates pairings between the ingress data flows and the egress data flows, and, for each of the pairings, a respective network resource assigned to transmit the egress data flow of the pairing to a respective one of the leaf nodes.

There are provided an evaluation method and an evaluation device for an optical receiver capable of evaluating only a phase error between optical 90-degree hybrids with high accuracy even when there is a skew between channels in the optical receiver. In the evaluation method and the evaluation device for the optical receiver including optical 90-degree hybrids, a phase error between the optical 90-degree hybrids is calculated by calculation of decomposing a transfer function of the optical receiver into a product of matrixes to evaluate the optical receiver.

A computerized method for determining whether a first network device located within a vehicle is a driver device or is within a driver envelope is disclosed. The computerized method includes operations of detecting (i) movement of the first network device at a speed above a predetermined threshold and (ii) presence of a transceiver, obtaining network device identifier—received signal strength indicator (RSSI) value pairing data from the transceiver, wherein the network device identifier—RSSI value pairing data, and when a RSSI value of the first network device is a greatest value included within the network device identifier—RSSI value pairing data, determining the first network device is the driver device and implementing a set of policies on the first network device, wherein implementation of the set of policies is configured to restrict functionality of the first network device according to a predefined list of functionalities.

Devices, computer-readable media and methods are disclosed for verifying that an optical transmit/receive device is correctly installed. For example, a processing system including at least one processor may activate a first light source of an optical transmit/receive device of a telecommunication network and detect a receiving of a light from the first light source at a port of an optical add/drop multiplexer of the telecommunication network. The processing system may then verify the optical transmit/receive device and the port of the optical add/drop multiplexer match a network provisioning order, when the receiving of the light from the first light source is detected, and may generate an indication that the optical transmit/receive device is correctly installed, when the optical transmit/receive device and the port of the optical add/drop multiplexer match the network provisioning order.