Inventor

COLDREN LARRY A

US46 patents

⚠️ This page may combine multiple inventors who share the name “COLDREN LARRY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COLDREN LARRY A

UNIV CALIFORNIA

Multi-section tunable laser with differing multi-element mirrors

Tunable laser source with an integrated wavelength monitor and method of operating same

Direct-coupled multimode WDM optical data links with monolithically-integrated multiple-channel VCSEL and photodetector

Method of making a vertical cavity laser

Low damage-producing, anisotropic, chemically enhanced etching method and apparatus

Contact scheme for intracavity-contacted vertical-cavity surface-emitting laser

Double intracavity contacted long-wavelength VCSELs

Increased lateral oxidation rate of aluminum indium arsenide

Direct-coupled multimode WDM optical data links with monolithically-integrated multiple-channel VCSEL and photodetector arrays

Integrated sensor

Surface-emitting lasers with periodic gain and a parallel driven nipi structure

Double intracavity contacted long-wavelength VCSELs and method of fabricating same

Small dimension high-efficiency high-speed vertical-cavity surface-emitting lasers

Heat spreading layers for vertical cavity surface emitting lasers

Tunable laser source with integrated optical modulator

Method for aperturing vertical-cavity surface-emitting lasers (VCSELs)

Distributed bragg reflectors incorporating SB material for long-wavelength vertical cavity surface emitting lasers

Tapered air apertures for thermally robust vertical cavity laser structures

Tunable laser cavity sensor chip

Method of fabricating a distributed Bragg reflector having enhanced thermal and electrical properties

Tunable laser source with integrated optical modulator

BELL TELEPHONE LABOR INC

Semiconductor laser with conductive current mask

Method of preferentially etching optically flat mirror facets in InGaAsP/InP heterostructures

Reactive sputter etching apparatus

Reactive ion etching of III-V semiconductor compounds

Surface wave resonator cascade

SAW Resonator filters with improved temperature stability

Surface acoustic wave multistrip coupler

Orientation of INP substrate wafers

Micropositioners using a crystal having moveable domain walls

AGILITY COMMUNICATIONS INC

Methods for robust channel switching of widely-tunable sampled-grating distributed bragg reflector lasers

Traveling-wave optoelectronic wavelength converter

Controller calibration for small form factor sampled grating distributed Bragg reflector laser

Manufacturable sampled grating mirrors

Mirror and cavity designs for sampled grating distributed bragg reflector lasers

Traveling-wave optoelectronic wavelength converter

High-power, manufacturable sampled grating distributed Bragg reflector lasers

Traveling-wave optoelectronic wavelength converter

Sampled grating distributed Bragg reflector laser controller

AT & T BELL LAB

Spectral control arrangement for coupled cavity laser

Self-stabilized semiconductor lasers

Ohmic contact to p-type Group III-V semiconductors

AMERICAN TELEPHONE & TELEGRAPH

Buried undercut mesa-like waveguide and method of making same

Buried undercut mesa-like waveguide

OPTICAL CONCEPTS INC

Electrical pumping scheme for vertical-cavity surface-emitting lasers

JDS UNIPHASE CORP

Manufacturable sampled grating mirrors