Luminus Devices, Inc.

Nortel Networks Corporation

Ravi Rajan

Scott W Duncan

Michael Gregory Brown

Hong Lu

Feng Yun

Hao Zhu

John Woodhouse

Yves Bertic

Hong M Chen

Peidong Wang

Electronic devices involving contact structures, and related components, systems and methods associated therewith are described. The contact structures are particularly suitable for use in a variety of light-emitting devices, including LEDs.

Electronic device contact structures

Apparatus for use in tuning a tunable optical device to a target wavelength, the apparatus comprising: a light source for generating light at a wavelength which is a higher order mode of the operational wavelength of the tunable device; and a wavelength detector and control unit for monitoring the wavelength of light emerging from the tunable device and controlling the tuning voltage applied to the tunable device according to the wavelength of the light emerging from the tunable device.

Apparatus and method for monitoring and controlling tunable filters and tunable VCSELS

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Wakefield, MA, United States of America

Ravi Rajan