A split waveguide filter is described. The split waveguide filter includes a first waveguide section having a first outer surface and a first inner surface and a second waveguide section having a second outer surface and a second inner surface. When the first waveguide section and the second waveguide section are mated together, the first inner surface and the second inner surface form a waveguide aperture. The split waveguide filter also includes a first collar clamp for securing a first portion of the mated first waveguide section and second waveguide section together; and a second collar clamp for securing a second portion of the mated first waveguide section and second waveguide section together.

The present disclosure provides an electrical connection device that includes a shell, a holding member and a light guiding member. The shell has a front end insertion opening and a rear wall. The rear wall is formed with a first clip structure, and the first clip structure has a sheet body which is integrally formed rearwardly by the rear wall. A clip hole is defined between the sheet body and the rear wall. The holding member has a holding body and a second clip structure which is integrally formed from the holding body and correspondingly cooperates with the first clip structure. The second clip structure has a first arm which is inserted into to the clip hole with an interference fit. A plurality of light guiding pipes are inserted into to the holding body of the holding member.

An example optoelectronic module includes a housing that extends between a first end and an opposite second end. The optoelectronic module includes a printed circuit board (“PCB”) with an electrical connector at an end thereof, a transmitter electrically coupled to the PCB, a receiver electrically coupled to the PCB, and a receiving member including a plurality of ports each configured to receive a respective one of a plurality of fiber optic cables. In one aspect, the receiving member includes a plurality of deformable retaining members configured to be positioned in corresponding receptacles of the housing member in an arrangement structured to limit movement of the receiving member. In another aspect, the module also includes a plurality of fiber optic cable receptacles and a receptacle retaining member is positioned between the housing and the receptacles and limits movement of the receptacles in the housing.

A shield cage assembly of the present disclosure comprises a metal shield shell and a heat dissipating module. The metal shield shell comprises a plurality of walls and an accommodating space defined by the plurality of walls, and the accommodating space has a front end port. The heat dissipating module is assembled to one of the walls of the metal shield shell, and the metal shield shell further includes side walls respectively positioned at two sides of the wall to which the heat dissipating module is assembled. The heat dissipating module further includes a frame and a first heat dissipating member, the frame having a frame body formed at a central portion of the frame to receive the first heat dissipating member and two side plates which extend from two side edges of the frame and which are parallel to the side walls.

Devices, systems, and methods for extending an optical distribution network to an end point in a user's premises over a power line drop cable that supplies metered power to the premises are disclosed. An existing power line drop cable to the premises serves as an intermediate medium to transmit high-bandwidth data from an optical distribution network to a transceiver in a user's premises. Fiber from an optical distribution network connects to an outside-plant optical-to-electronic device comprising at least an optical network unit and a domain master. The device is powered by electricity from the electrical network to which the first power line drop cable is attached. The device can have an electromagnetic-interference filter.

A space active optical cable (SAOC) includes a cable including one or more optical fibers, and two or more electrical transceivers on opposing ends of the cable and interconnected by the cable. Each of the electrical transceivers includes an enclosure that encloses one or more light sources, one or more light detectors, and control electronics. Also included in the enclosure are a coupling medium to couple light into and out of the one or more optical fibers. The coupling medium can be reflecting surface or an on-axis mount. The enclosure provides a suitable heat propagation and electromagnetic interference (EMI) shielding, and the cable and the two or more electrical transceivers are radiation resistant. SAOC features optionally support a health check algorithm that allows trending optical performance in the absence of an optical connector and a potential surface treatment to increase nominally low emissivity of an EMI conductive surface.

An optical receptacle connector includes a receptacle housing having housing walls defining a contact cavity and an optical cavity. The receptacle housing includes an upper wall and a lower wall at a front of the receptacle housing defining a card slot receiving a mating edge of an optical module circuit board of a pluggable optical generator module. The upper wall includes an upper wall opening above the card slot. A contact assembly having receptacle contacts is received in the contact cavity to supply power to the pluggable optical generator module to operate a light source of the pluggable optical generator module. A receive optical connector is coupled to the receptacle housing above the upper wall opening and mated with a supply optical connector of the pluggable optical generator module to receive optical signals from the supply optical connector.

Methods and devices for a planar bidirectional optical coupler for wavelength division multiplexing are described. The optical coupler can be used in an optical transceiver housed within a compact optical interconnect module for optical fiber-based data communication and/or OTDR measurement. According to one aspect, the optical coupler includes a layered planar construction, each layer based on a transparent planar substrate. A bottom carrier layer includes a metallized surface for mounting of electronic and/or electro-optical components. A lens layer overlays the carrier layer and includes collimating transmit and/or focusing receive lenses. A beam splitter/combiner layer overlays the lens layer and includes angled coated lateral surfaces that provide beam splitting and wavelength filtering functionality. The beam splitter/combiner layer is optically coupled to a ferrule receptacle of a fiber connector of the optical transceiver. Alternatively, the beam splitter/combiner is optically coupled to a planar optical fiber connector via an additional lens guide layer.

An optical system includes a cage and an optical transceiver. The optical transceiver is inserted into the cage in a pluggable manner, and includes a housing, a partition component provided on the housing, and a fastening component movably disposed on the housing. The fastening component is detachably fastened with the cage. The partition component is located between the fastening component and the cage to separate at least a part of the fastening component from the cage.

An optical transceiver includes a housing, a rib structure mounted on an inner surface of the housing, an optical communication module accommodated in the housing, and a heat conductive module. A gas flow passage is formed between each pair of adjacent ribs of the rib structure. The optical communication module includes a substrate and an optical communication component, and the optical communication component is in thermal contact with the housing. The heat conductive module is in thermal contact with the rib structure and the optical communication component.