Patents by Inventor Hans-Ludwig Althaus
Hans-Ludwig Althaus has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7729569Abstract: The invention relates to an optical transmitter and/or receiver assembly comprising at least one transmitter component (2) and/or at least one receiver component (3, 4), in addition to a planar optical circuit (5) with at least one integrated waveguide (51). According to the invention, light from the transmitter element (1) is coupled into a waveguide (51) of the planar optical circuit (5) and/or light from the waveguide (51) of the planar optical circuit (5) is uncoupled and guided onto the receiver component (3, 4). The assembly is provided with a lens (14, 15) for optically coupling the waveguide(s) (51) of the planar optical circuit (5) to a fiber-optic that can be fixed to the transmitter and/or receiver assembly (1), said lens (14, 15) being positioned on the planar optical circuit (5).Type: GrantFiled: December 5, 2002Date of Patent: June 1, 2010Assignee: Ezconn CorporationInventors: Gottfried Beer, Hans-Ludwig Althaus
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Publication number: 20100098374Abstract: An optoelectronic component, arrangement and method are provided. The optoelectronic component comprises a premold casing having a mounting opening adapted for mounting an optical element, particularly a waveguide, an electromagnetic radiation source and/or detector adapted for generating and/or detecting electromagnetic radiation and being mounted in the premold casing, an electromagnetic radiation deflecting element mounted in the premold casing and adapted for deflecting electromagnetic radiation between the waveguide and the electromagnetic radiation source and/or detector, and a transparent medium filling at least a part of optical spaces within the premold casing.Type: ApplicationFiled: October 20, 2008Publication date: April 22, 2010Applicant: AVAGO TECHNOLOGIES FIBER IP (SIGNGAPORE) PTE. LTD.Inventor: Hans Ludwig Althaus
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Patent number: 7654751Abstract: The invention relates to an electro-optical data transmission arrangement with an optical multicore fiber, on the respective end faces of which an electro-optical transducer is arranged, wherein at least one of the electro-optical transducers consists of several segments. The electro-optical data transmission arrangement allows high data transmission rates and broad tolerances in the manufacture.Type: GrantFiled: August 29, 2008Date of Patent: February 2, 2010Assignee: Avago Technologies Fiber IP (Singapore) Pte. Ltd.Inventors: Hans Ludwig Althaus, Josef Wittl
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Patent number: 7594765Abstract: Various embodiments of arrangements for optically coupling an optical waveguide to an optical unit of an optical module are provided. One embodiment is an optical module for optically coupling an optical waveguide to an optical unit. One such optical module comprises: a reference structure having a reference geometry that defines a first axis of symmetry; an optical unit having an optical axis along which light is transmitted or received, the optical unit positioned relative to the reference structure with an offset between the first axis of symmetry and the optical axis; and a coupling element that couples the optical unit to an optical waveguide, the coupling element having an eccentric hole which functions as a fiber guide and a structural geometry adapted to compensate for the offset between the first axis of symmetry and the optical axis.Type: GrantFiled: October 25, 2005Date of Patent: September 29, 2009Assignee: Avago Technologies Fiber IP (Singapore) Pte. Ltd.Inventors: Hans-Ludwig Althaus, Hans Hurt, Stephan Prucker, Tobias Stäber, Frank Weberpals, Josef Wittl
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Publication number: 20090180743Abstract: The invention relates to an electro-optical data transmission arrangement with an optical multicore fiber, on the respective end faces of which an electro-optical transducer is arranged, wherein at least one of the electro-optical transducers consists of several segments. The electro-optical data transmission arrangement allows high data transmission rates and broad tolerances in the manufacture.Type: ApplicationFiled: August 29, 2008Publication date: July 16, 2009Applicant: Avago Technologies FIBER IP (Singapore) Pte. Ltd.Inventors: Hans Ludwig Althaus, Josef Wittl
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Patent number: 7501585Abstract: A support element and a semiconductor component including the support element, where the support element having at least one surface with a subregion for receiving a semiconductor device and at least one fluid-tight boundary, which is arranged on the surface and at least partly surrounds the subregion of the surface. A method is also disclosed for arranging a semiconductor device on the surface of a support element, with the steps of: providing a support element which has at least one surface with a subregion for receiving a semiconductor device and at least one fluid-tight boundary which is arranged on the surface and at least partly surrounds the subregion of the surface, introducing an adhesive fluid within the fluid-tight boundary, and introducing a semiconductor device into the adhesive fluid.Type: GrantFiled: January 26, 2005Date of Patent: March 10, 2009Assignee: Infineon Technologies AGInventors: Thomas Killer, Hans-Ludwig Althaus, Melanie Ring
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Publication number: 20080101750Abstract: The invention relates to an optical transmitter and/or receiver assembly comprising at least one transmitter component (2) and/or at least one receiver component (3, 4), in addition to a planar optical circuit (5) with at least one integrated waveguide (51). According to the invention, light from the transmitter element (1) is coupled into a waveguide (51) of the planar optical circuit (5) and/or light from the waveguide (51) of the planar optical circuit (5) is uncoupled and guided onto the receiver component (3, 4). The assembly is provided with a lens (14, 15) for optically coupling the waveguide(s) (51) of the planar optical circuit (5) to a fibre-optic that can he fixed to the transmitter and/or receiver assembly (1), said lens (14, 15) being positioned on the planar optical circuit (5).Type: ApplicationFiled: December 5, 2002Publication date: May 1, 2008Inventors: Gottfried Beer, Hans-Ludwig Althaus
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Patent number: 7270488Abstract: The invention relates to an optoelectronic transmission and/or reception arrangement. The arrangement includes a transmission and/or reception module containing an optoelectronic transmission and/or reception component, and a plug interface for the coupling of an optical fiber thereto. An optical waveguide section is arranged in the plug interface, and at one of its ends is optically coupled to the transmission and/or reception component. At its other end, the optical waveguide section is configured to be coupled to an optical fiber. The arrangement may further include a lens for optical coupling of the light between the optical waveguide section and the transmission and/or reception component. The lens and the optical waveguide section, in one example, are formed as a prefabricated subassembly, in which the lens is fixedly arranged at a defined distance from one end face of the optical waveguide section.Type: GrantFiled: April 26, 2004Date of Patent: September 18, 2007Assignee: Finisar CorporationInventors: Hans-Ludwig Althaus, Volker Plickert, Lutz Melchior, Thomas Killer
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Patent number: 7223023Abstract: Optoelectronic transmission and/or reception arrangements having a surface-mounted optoelectronic component and a circuit board provided with electrical lines, the optoelectronic component being surface-mounted on said circuit board, the optical axis of the optoelectronic component running perpendicular to the plane of the circuit board. In one embodiment, provision is made of a holding apparatus for receiving and orienting an optical waveguide to be coupled to the optoelectronic component, which holding apparatus directly adjoins the side of the optoelectronic component that is remote from the circuit board. In another embodiment, the circuit board has a cutout and light is coupled into or out of the optoelectronic component in the direction of the cutout of the circuit board.Type: GrantFiled: May 19, 2004Date of Patent: May 29, 2007Assignee: Infineon Technologies AGInventors: Thomas Killer, Hans-Ludwig Althaus, Josef Wittl, Frank Weberpals, Alfred Hartl
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Patent number: 7138661Abstract: An optoelectronic component with an optoelectronic transducer device and an electrical circuit electrically connected to the transducer device mounted on a carrier substrate which is optically transparent for specific wavelengths. The transducer device is arranged on the front side of the carrier substrate, and light coupling takes place through the back side. The electrical circuit is formed as a circuit integrated into the carrier substrate or is formed on the carrier substrate using hybrid technology, the terminal contacts of the circuit being arranged on the front side of the carrier substrate. An optoelectronic arrangement with an optoelectronic component includes an at least partly planar-formed mounting element, which is connected by its one side to an outer side of the component or is integrated in the latter and extends at least as far as an outer edge of the component, and includes a mechanical interface for the mechanical connection of the component.Type: GrantFiled: September 10, 2004Date of Patent: November 21, 2006Assignee: Infineon Technologies AGInventors: Hans-Ludwig Althaus, Thomas Killer, Martin Weigert
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Publication number: 20060088252Abstract: The invention relates to an arrangement for optically coupling an optical waveguide to an optical unit of an optical module. The optical module has a reference geometry, which defines a first axis of symmetry. There is an offset between the optical axis of the optical unit and the axis of symmetry of the reference geometry. The invention provides a coupling element which eliminates the offset. The coupling element has, for this purpose, a hole, which is delimited by an inner surface, the inner surface of the coupling element defining a second axis of symmetry. The first axis of symmetry and the second axis of symmetry extend parallel to one another and have an offset with respect to one another which is essentially the same as the offset between the optical axis of the optical unit and the first axis of symmetry of the reference geometry as regards direction and magnitude.Type: ApplicationFiled: October 25, 2005Publication date: April 27, 2006Inventors: Hans-Ludwig Althaus, Hans Hurt, Stephan Prucker, Tobias Staber, Frank Weberpals, Josef Wittl
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Patent number: 6973110Abstract: A monolithic laser configuration has a substrate, a laser diode disposed on the substrate for generating a light beam, a photodetector disposed on the substrate in the path of the light beam for receiving at least one part of the light beam, and a deflection device disposed on the substrate for deflecting the light beam substantially perpendicularly to the substrate surface. The monolithic laser configuration can advantageously be used in a coupling module with a plastic SMT housing of a standard configuration, it being possible to produce the optical access through an opening in the leadframe of the coupling module.Type: GrantFiled: February 24, 2003Date of Patent: December 6, 2005Assignee: Infineon Technologies AGInventors: Hans-Ludwig Althaus, Inka Catrin Borchert, legal representative, Sybille Fidorra, Klemens Janiak, Bernd Borchert, deceased
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Publication number: 20050242447Abstract: A support element and a semiconductor component including the support element, where the support element having at least one surface with a subregion for receiving a semiconductor device and at least one fluid-tight boundary, which is arranged on the surface and at least partly surrounds the subregion of the surface. A method is also disclosed for arranging a semiconductor device on the surface of a support element, with the steps of: providing a support element which has at least one surface with a subregion for receiving a semiconductor device and at least one fluid-tight boundary which is arranged on the surface and at least partly surrounds the subregion of the surface, introducing an adhesive fluid within the fluid-tight boundary, and introducing a semiconductor device into the adhesive fluid.Type: ApplicationFiled: January 26, 2005Publication date: November 3, 2005Applicant: Infineon Technologies AGInventors: Thomas Killer, Hans-Ludwig Althaus, Melanie Ring
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Patent number: 6922424Abstract: A laser device has a laser diode with an optical resonator. The resonator has an exit side for emitting light into an optical system. A monitor diode is provided and has a light-sensitive face for measuring optical quantities of the laser diode. The light-sensitive face of the monitor diode is optically coupled to a backside of the laser diode, on the other side from the light exit side of the resonator, the backside also emitting light. This configuration permits a space-saving SMD layout for the laser device.Type: GrantFiled: January 9, 2003Date of Patent: July 26, 2005Assignee: Infineon Technologies AGInventors: Martin Weigert, Gunther Steinle, Hans-Dietrich Wolf, Hans-Ludwig Althaus
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Publication number: 20050138934Abstract: The invention relates to an optoelectronic assembly having an optoelectronic or passive optical component and a cooling element for cooling the optoelectronic or passive optical component. According to the invention, the cooling element is a micropeltier cooler, wherein the component is arranged either directly thereon or a carrier substrate is arranged therebetween.Type: ApplicationFiled: February 14, 2002Publication date: June 30, 2005Inventors: Martin Weigert, Axel Schubert, Franz Auracher, Karl-Heinz Schlereth, Gustav Muller, Hans-Ludwig Althaus
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Publication number: 20050056851Abstract: An optoelectronic component with an optoelectronic transducer device and an electrical circuit electrically connected to the transducer device mounted on a carrier substrate which is optically transparent for specific wavelengths. The transducer device is arranged on the front side of the carrier substrate, and light coupling takes place through the back side. The electrical circuit is formed as a circuit integrated into the carrier substrate or is formed on the carrier substrate using hybrid technology, the terminal contacts of the circuit being arranged on the front side of the carrier substrate. An optoelectronic arrangement with an optoelectronic component includes an at least partly planar-formed mounting element, which is connected by its one side to an outer side of the component or is integrated in the latter and extends at least as far as an outer edge of the component, and includes a mechanical interface for the mechanical connection of the component.Type: ApplicationFiled: September 10, 2004Publication date: March 17, 2005Applicant: Infineon Technologies AGInventors: Hans-Ludwig Althaus, Thomas Killer, Martin Weigert
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Patent number: 6853657Abstract: The invention relates to a method and device for determining the output power of a semiconductor laser diode being operated with a diode current. A defined measuring current, which is less than the threshold current of the semiconductor laser diode, is conducted in a conducting direction through the semiconductor laser diode. The forward voltage drop across the semiconductor laser diode is measured, and the temperature of the laser-active region of the semiconductor laser diode is determined from the measured forward voltage by using at least one calibration curve. The invention makes a simple and precise determination of the output power possible without requiring an additional measuring device, for example, a monitor diode.Type: GrantFiled: February 10, 2003Date of Patent: February 8, 2005Assignee: Infineon Technologies AGInventors: Hans-Ludwig Althaus, Gerhard Kuhn
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Publication number: 20050013554Abstract: Optoelectronic transmission and/or reception arrangements having a surface-mounted optoelectronic component and a circuit board provided with electrical lines, the optoelectronic component being surface-mounted on said circuit board, the optical axis of the optoelectronic component running perpendicular to the plane of the circuit board. In one embodiment, provision is made of a holding apparatus for receiving and orienting an optical waveguide to be coupled to the optoelectronic component, which holding apparatus directly adjoins the side of the optoelectronic component that is remote from the circuit board. In another embodiment, the circuit board has a cutout and light is coupled into or out of the optoelectronic component in the direction of the cutout of the circuit board.Type: ApplicationFiled: May 19, 2004Publication date: January 20, 2005Applicant: Infineon Technologies AGInventors: Thomas Killer, Hans-Ludwig Althaus, Josef Wittl, Frank Weberpals, Alfred Hartl
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Publication number: 20040264883Abstract: The invention relates to an optoelectronic transmission and/or reception arrangement. The arrangement includes a transmission and/or reception module containing an optoelectronic transmission and/or reception component, and a plug interface for the coupling of an optical fiber thereto. An optical waveguide section is arranged in the plug interface, and at one of its ends is optically coupled to the transmission and/or reception component. At its other end, the optical waveguide section is configured to be coupled to an optical fiber. The arrangement may further include a lens for optical coupling of the light between the optical waveguide section and the transmission and/or reception component. The lens and the optical waveguide section, in one example, are formed as a prefabricated subassembly, in which the lens is fixedly arranged at a defined distance from one end face of the optical waveguide section.Type: ApplicationFiled: April 26, 2004Publication date: December 30, 2004Inventors: Hans-Ludwig Althaus, Volker Plickert, Lutz Melchior, Thomas Killer
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Patent number: 6783284Abstract: An optical for wavelength reference measurement has in essence an optical conductor with integrated fiber Bragg grating that has a transmission maximum at a desired wavelength. Arranged downstream of the fiber Bragg grating is a photoreceiver receiving the measuring radiation beam passing through the fiber Bragg grating. If desired, it is possible to use a beam splitter to produce a reference radiation beam that is detected in a further photoreceiver.Type: GrantFiled: September 24, 2002Date of Patent: August 31, 2004Assignee: Infineon Technologies AGInventors: Hans-Ludwig Althaus, Joachim Reill, Karl-Heinz Schlereth