Abstract: A digital optical receiving module including: an optical input, a first digital electrical output, an optoelectronic transducer device which converts a modulated optical signal, which is applied to the optical input, to an analog electrical signal, a decision-making device, which is electrically connected to the transducer device and converts the analog electrical signal to a digital signal and passes this digital signal to the digital electrical output, and a quality recording device, which is connected to the transducer device and determines the quality of the analog electrical signal before it is converted to a digital signal, with an information signal being produced as a function of the quality of the analog electrical signal. A method is also provided for monitoring the signal quality of a transmitted, modulated optical signal.

Abstract: An arrangement for multiplexing and/or demultiplexing optical signals having a plurality of wavelengths, including a multiplex body having two parallel surfaces between which light is reflected back and forth and in this case is coupled in or out in a wavelength-dependent manner, and structures for coupling optical signals into or out of the multiplex body. According to the invention, the structures for coupling optical signals into or out of the multiplex body have a plurality of essentially structurally identical subassemblies, each subassembly having an optoelectronic transducer and an associated optical system, by which light having a wavelength is respectively coupled into or out of the multiplex body.

Abstract: An optoelectronic coupling arrangement including a package with electrical terminals, integrated in which are at least one optoelectronic transmitting component and at least one optoelectronic receiving component, which are encapsulated in the package with a non-transparent casting material; and an optomechanical coupling block, which includes a transparent plastic and integrated in which are mechanical aligning structure for attaching an optical connector. In this case, the optomechanical coupling block is connected to the package and at least two optical channels are provided in the package and the optomechanical coupling block for coupling light on the one hand between the at least one optoelectronic transmitting component and an optical connector to be attached and on the other hand between the at least one optoelectronic receiving component and an optical connector to be attached. Furthermore, the invention relates a transceiver with such an optoelectronic coupling arrangement.

Abstract: An optical transmitting and/or receiving arrangement including an optical element mounted in an intermediate space between a base plate and a lens. The lens is supported by a structure that is mounted on the base plate, and a carrier element mounted on the base plate and has an end portion extending through an opening formed in the structure and into the intermediate space. The end portion of the carrier element is positioned adjacent to the optical element, and includes electrical feed lines that are connected to the optical element by wires or bands. A transparent casting compound is then injected through the opening into the intermediate space.

Abstract: The invention relates to an optoelectronic module for optical signals of two optical data channels for arrangement on a main circuit board of an assembly, having a housing, which has an underside for arrangement of the optoelectronic module on a main circuit board. The arrangement further includes a printed circuit board arranged in the housing, having a first optical coupling region and a second optical coupling region for the coupling of optical waveguides, wherein the first and second coupling regions are arranged on the printed circuit board. The first optical coupling region is arranged at a smaller distance from the underside of the housing than the second optical coupling region. The invention achieves an efficient utilization of the end area of an assembly.

Abstract: An optoelectronic assembly multiplexes and/or demultiplexes optical signals. The assembly includes a monolithic multiplexer for multiplexing and demultiplexing optical signals, and two optical imaging systems for coupling light beams in or coupling them out of the multiplexer. The first optical imaging system is integrated in a single-channel interface and/or the second optical imaging system is integrated in a multi-channel interface, and at least one interface is directly linked with the multiplexer.

Abstract: The invention relates to an optoelectronic arrangement having a laser component. There are provided: a cooling device of small design for cooling the laser component down to a constant temperature, a device for the direct optical detection of the emitted wavelength of the laser component, whose signal is used to control the cooling device, and a package of small design with an extent of at most 6.5 mm perpendicular to the optical axis of the laser component and in which the above named components are arranged. The invention also relates to a method for controlling the emitted wavelength of a laser component.

Abstract: An optoelectronic arrangement includes at least one laser component. A heating device for heating the laser component up to a constant temperature is provided in such a way that the laser component is operated at a temperature that is at least equal to the highest temperature to be expected that would be present during operation of the laser component without the heating device. A method for operating a laser component includes heating the laser component to a constant temperature that is at least equal to the highest temperature to be expected that would be present during operation of the laser component without heating. The laser component is then operated at this temperature. The exact monitoring of the emitted wavelength of a laser component is rendered possible in a simple way.

Abstract: A bidirectional transmitting and receiving device includes a transmitting component with an emission area of a first size, and a receiving component with a receiving area of a second size. The device further includes coupling optics for coupling light between the transmitting component and the receiving component on the one hand, and an optical waveguide to be coupled thereto on the other hand. The coupling optics have two imaging systems that are arranged one behind the other such that the light that is emitted from the transmitting component is imaged by the first imaging system on an intermediate plane on which the receiving component is located, and in the process passes through the receiving component or passes by it at the side.

Abstract: The invention relates to an optoelectronic module for optical signals of two optical data channels for arrangement on a main circuit board of an assembly, having a housing, which has an underside for arrangement of the optoelectronic module on a main circuit board. The arrangement further includes a printed circuit board arranged in the housing, having a first optical coupling region and a second optical coupling region for the coupling of optical waveguides, wherein the first and second coupling regions are arranged on the printed circuit board. The first optical coupling region is arranged at a smaller distance from the underside of the housing than the second optical coupling region. The invention achieves an efficient utilization of the end area of an assembly.

Abstract: The invention relates to an emission module for an optical signal transmission, comprising an emission unit which emits light of a certain wavelength, an emission unit substrate on which the emission unit is arranged or embodied, a detection unit which detects light of a certain wavelength, and a detection unit substrate on which the detection unit is arranged or embodied. According to the invention, the emission unit substrate and/or the detection unit substrate are transparent to the wavelength emitted by the emission unit, and the emission unit and the detection unit are superposed in the direction of the light emitted. The inventive solution enables the emission unit and the detection unit to be optically coupled without requiring additional optical components such as reflecting surfaces. Novel, compact optical system can thus be carried out in an emission module.

Abstract: An optoelectronic coupling arrangement including a package with electrical terminals, integrated in which are at least one optoelectronic transmitting component and at least one optoelectronic receiving component, which are encapsulated in the package with a non-transparent casting material; and an optomechanical coupling block, which includes a transparent plastic and integrated in which are mechanical aligning structure for attaching an optical connector. In this case, the optomechanical coupling block is connected to the package and at least two optical channels are provided in the package and the optomechanical coupling block for coupling light on the one hand between the at least one optoelectronic transmitting component and an optical connector to be attached and on the other hand between the at least one optoelectronic receiving component and an optical connector to be attached. Furthermore, the invention relates a transceiver with such an optoelectronic coupling arrangement.

Abstract: An apparatus for demultiplexing optical signals at a large number of wavelengths using at least one wavelength-selective filter includes at least two wavelength-selective filters in each case for separation of signal components at one wavelength or at two or more wavelengths, located one behind the other in an oblique configuration in the beam path of the apparatus, and disposed such that the signal component that is transmitted by a first filter falls on the subsequent, second filter, the signal component that is reflected by the second filter not being reflected back to the first filter but, instead, running past the first filter, and the signal components that are reflected by the filters are joined together.

Abstract: The invention relates to an optoelectronic arrangement having at least one laser component. A heating device for heating the laser component up to a constant temperature is provided in such a way that the laser component is operated at a temperature that is at least equal to the highest temperature to be expected that would be present during operation of the laser component without the heating device. The invention also relates to a method for operating a laser component in which the laser component is heated up to a constant temperature that is at least equal to the highest temperature to be expected that would be present during operation of the laser component without heating. The laser component is then operated at this temperature. The exact monitoring of the emitted wavelength of a laser component is rendered possible in a simple way by the invention.

Abstract: The invention relates to an optoelectronic arrangement having a laser component. There are provided: a cooling device of small design for cooling the laser component down to a constant temperature, a device for the direct optical detection of the emitted wavelength of the laser component, whose signal is used to control the cooling device, and a package of small design with an extent of at most 6.5 mm perpendicular to the optical axis of the laser component and in which the above named components are arranged. The invention also relates to a method for controlling the emitted wavelength of a laser component.

Abstract: A digital optical receiving module including: an optical input, a first digital electrical output, an optoelectronic transducer device which converts a modulated optical signal, which is applied to the optical input, to an analog electrical signal, a decision-making device, which is electrically connected to the transducer device and converts the analog electrical signal to a digital signal and passes this digital signal to the digital electrical output, and a quality recording device, which is connected to the transducer device and determines the quality of the analog electrical signal before it is converted to a digital signal, with an information signal being produced as a function of the quality of the analog electrical signal. A method is also provided for monitoring the signal quality of a transmitted, modulated optical signal.

Abstract: A device for optical and/or electrical data transmission and/or processing has at least one electrical component, at least one optoelectronic component electrically connected to the electrical component, and an optically transparent carrier with a first surface, on which the electrical component and the optoelectronic component are disposed. Light is coupled into or out of the optoelectronic component through the carrier, and a frame is connected to the carrier, via which frame the components disposed on the carrier are electrically contact-connected. The device provides both optical and electrical inputs and outputs for optoelectronic and electrical components integrated into a device.

Abstract: An optical transmitter and a method for generating a digital optical signal sequence are provided. The optical transmitter has light transmitters which are independently drivable and generate an optical signal for each of the bits of a digital electrical signal sequence that is to be converted into a digital optical signal sequence. The optical signals are combined and superposed into an optical signal path. A control device is provided for distributing the bits between the light transmitters.

Abstract: An optical transmitting and/or receiving arrangement including an optical element mounted in an intermediate space between a base plate and a lens. The lens is supported by a structure that is mounted on the base plate, and a carrier element mounted on the base plate and has an end portion extending through an opening formed in the structure and into the intermediate space. The end portion of the carrier element is positioned adjacent to the optical element, and includes electrical feed lines that are connected to the optical element by wires or bands. A transparent casting compound is then injected through the opening into the intermediate space.

Abstract: The electro-optical module has a substrate with a mounting surface that is free from depressions. A surface-mounted component unit is disosed on the mounting surface. The component unit contains as integral components an electro-optical component and a lens which are aligned directly with one another. The surface serves, furthermore, as a reference plane for assembling a receptacle for an optical fiber plug.