Lawrence Livermore National Security, LLC

The University of Texas System

Colorado State University Research Foundation

Ian Seth Ladner

Susant K Patra

Michael Cullinan

Komal Kampasi

Razi-Ul Muhammad Haque

Robert Matthew Panas

Todd M Bandhauer

Jack Kotovsky

Sourabh Kumar Saha

Clint Frye

Salmaan H Baxamusa

Thomas M Spinka

Devin Joseph Funaro

Caleb Del Anderson

Joon-Hyung Cho

David Cayll

David Ryan Hobby

The present disclosure relates to a monolithic waveguide substrate for enabling routing of at least one optical signal. The monolithic waveguide substrate has a monolithic engineered substrate having a uniform material composition throughout, with a first index of refraction, and with a plurality of three-dimensional waveguides each being formed fully within an interior volume thereof by a corresponding plurality of three-dimensional waveguide channels. The three-dimensional waveguide channels are formed by wall portions each having a second index of refraction different from the first index of refraction.

Apparatus and method for hybrid opto-electrical multichip module

The present disclosure relates to a laser diode system. The system may have at least one laser diode emitter having a substrate, at least one laser diode supported on the substrate, and a facet which a laser beam generated by the laser diode is emitted. A cooling subsystem is included which is disposed in contact with the substrate of the laser diode emitter. The cooling subsystem includes a plurality of cooling fins forming a plurality of elongated channels for circulating a cooling fluid therethrough to cool the laser diode emitter. The cooling fluid also flows over the facet of the laser diode emitter.

Systems and methods for laser diode array having integrated microchannel cooling

The present disclosure relates to a hybrid opto-electrical module apparatus. The apparatus may have a module substrate having a plurality of electrically conductive circuit traces for carrying electrical signals, and at least one waveguide element for carrying optical signals. A waveguide substrate is in optical communication with the waveguide element. A transducer is supported on the waveguide substrate and in electrical communication with the circuit traces. The waveguide substrate has at least one three dimensional (3D) waveguide formed within its interior volume for routing optical signals between the waveguide element and the transducer. A first optical wirebond interfaces the waveguide element to the 3D waveguide, and a second optical wirebond interfaces the 3D waveguide to the transducer.

A method of manufacturing a nanoelectromechanical resonator allows for uniform tuning of a resonant frequency. The nanoelectromechanical resonator can be mass produced and used to sense the presence of a selected gas.

Graphene microelectromechanical system (MEMS) resonant gas sensor

This invention relates to a microelectromechanical device for mechanical characterization of a specimen. In one embodiment the device may incorporate a substrate, at least one first flexure bearing and at least one second flexure bearing, both being supported on the substrate. First and second movable shuttles may be used which are supported above the substrate by the flexure bearings so that each is free to move linearly relative to the substrate. Ends of the movable shuttles are separated by a gap. A thermal actuator may be connected to one end of the first movable shuttle, and operates to cause the first movable shuttle to move in a direction parallel to the surface of the substrate in response to a signal applied to the thermal actuator. A first capacitive sensor may be formed between the first movable shuttle and the substrate, and a second capacitive sensor formed between the second movable shuttle and the substrate.

Microscale sensors for direct metrology of additively manufactured features

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Picayune, MS, United States of America

Ian Seth Ladner