Osram Opto Semiconductors Gmbh

Ams-osram International Gmbh

Lumus Ltd.

Ann Russell

Hubert Halbritter

Joseph Gasiewicz

Yochay Danziger

Martin Rudolf Behringer

Jörg Erich Sorg

Bruno Jentzsch

Christian Lauer

Christoph Goeltner

Peter Fuchs

Thomas Falck

Syedhossein Mousavian

Somayeh Abnavi

A driver circuit may include a first inductor with a first terminal coupled to a first voltage terminal and a first switch with a first and a second terminal. The first terminal of the first switch may be coupled to a second terminal of the first inductor via a first node and the second terminal of the first switch may be coupled to a second voltage terminal. Moreover, the driver circuit may include a diode with a first terminal coupled to the first node, an output terminal, and a first capacitor with a first electrode coupled to a second terminal of the diode and a second electrode coupled to the output terminal.

Driver circuit and method for providing a pulse

In an embodiment an apparatus includes at least one optoelectronic laser configured to provide excitation radiation to a sample, the excitation radiation being generated by an electric current flowing through the at least one optoelectronic laser, a transistor configured to modulate the electric current flowing through the at least one optoelectronic laser in order to switch on and off generation of the excitation radiation and a spectrometer configured to analyze Raman light scattered from the sample in response to exposing the sample to the excitation radiation, wherein the Raman light includes one or more spectral components, wherein the spectrometer includes a diffraction element configured to split the Raman light into the spectral components, and wherein the diffraction element includes at least a photonic crystal or a plasmonic Fabry Perot filter.

Apparatus, a handheld electronic device, and a method for carrying out Raman spectroscopy

A laser device comprises a plurality of laser diodes, each laser diode emitting a light beam having a fast axis and a slow axis and a beam direction; and one or more optical components configured to modify a divergence of the light beams in a fast axis plane and/or in a slow axis plane such that the light beams have a same focal plane in the fast axis plane and in the slow axis plane.

Laser package and projector with the laser package

A driver circuit may include a first inductor with a first terminal coupled to a first voltage terminal and a first switch with a first and a second terminal. The first terminal of the first switch is coupled to a second terminal of the first inductor via a first node and the second terminal of the first switch is coupled to a second voltage terminal. Moreover, the driver circuit may include a diode with a first terminal coupled to the first node, an output terminal, and a first capacitor with a first electrode coupled to a second terminal of the diode and a second electrode coupled to the output terminal.

A planar light circuit comprises a substrate and a first pixel. The first pixel comprises a first number N of laser diodes, a first waveguide located on the substrate, a first number N of inlets which couple the first number N of laser diodes to the first waveguide and a first outlet. The first waveguide couples the first number N of inlets to the first outlet. An arrangement comprises the planar light circuit. The arrangement is realized as data glasses.

Planar light circuit and arrangement with planar light circuit

An optoelectronic semiconductor device comprises a plurality of laser devices. Each of the laser devices is configured to emit electromagnetic radiation. The laser devices are horizontally arranged. A first laser device of the plurality of laser devices is configured to emit electromagnetic radiation having a first wavelength different from the wavelength of a further laser device of the plurality of laser devices. A difference between the first wavelength and the wavelength of the further laser device is less than 20 nm.

Optoelectronic semiconductor device and method of manufacturing an optoelectronic semiconductor device

An optoelectronic module comprising at least one semiconductor laser and a photonic chip is described herein. The semiconductor laser emits a primary electromagnetic radiation which is coupled into the photonic chip. The photonic chip comprises at least one first waveguide and at least one optical Bragg reflector having a reflectivity which is modulated by an electrical modulation signal. A secondary electromagnetic radiation is coupled out of the photonic chip by means of at least one second waveguide, wherein the secondary electromagnetic radiation has a dominant wavelength which is modulated in dependence of the electrical modulation signal. Further, a method for operating an optoelectronic module and a Head-Mounted Display comprising an optoelectronic module are provided.

Growing community of inventors

San Jose, CA, United States of America

Ann Russell