Inventor

DOERR CHRISTOPHER R

US42 patents

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

DOERR CHRISTOPHER R

LUCENT TECHNOLOGIES INC

Optically restorable WDM ring network using simple add/drop circuitry

Multi-frequency optical signal source having reduced distortion and crosstalk

Apparatus and method for receiving a quadrature differential phase shift key modulated optical pulsetrain

Monitoring alignment between pulse carvers and phase modulators in optical systems

Wavelength selectable laser with inherent and single-mode stability

Large-channel-count programmable wavelength add-drop

N×N switching arrangement of two planar arrays without waveguide crossings

Optical cross connect using a planar arrangement of beam steerers

Waveguide structure

Dispersion compensation apparatus

Push-pull thermooptic switch having single control signal

DOERR CHRISTOPHER R

Optical coupler

Coherent receiver having an interleave-chirped arrayed waveguide grating

Photonic integrated circuit with a waveguide crossing structure

Advanced modulation format using two-state modulators

Optical isolator using phase modulators

Polarization-independent grating optical coupler

Coherent optical detector having a multifunctional waveguide grating

High-speed optical modulation using a quantum-well modulator

Undirected cross connects based on wavelength-selective switches

ALOE SEMICONDUCTOR INC

High-gain differential electro-optic modulator

Optical multiple-input-multiple-output (MIMO) receiver using stokes vector measurements

High-gain differential electro-optic modulator

Transverse-magnetic polarization silicon-photonic modulator

High-gain differential electro-optic modulator

Transverse-magnetic polarization silicon-photonic modulator

Optical multiple-input-multiple-output (MIMO) demultiplexers

ALCATEL LUCENT USA INC

Photonic integrated circuit having a waveguide-grating coupler

Method and apparatus for a wavelength insensitive 90-degree hybrid device

Tunable optical frequency comb generator

Advanced modulation format using two-state modulators

Undirected cross connects based on wavelength-selective switches

MASSACHUSETTS INST TECHNOLOGY

Stretched-pulse fiber laser

Stretched-pulse fiber laser

CHEN LONG

Low loss broadband fiber coupler to optical waveguide

BERNASCONI PIETRO A G

Vertical optically emitting photonic devices with electronic steering capability

DRAPER LAB CHARLES S

Apparatus and method of nulling discrete frequency noise signals

ESSIAMBRE RENE-JEAN

Multimode optical communication

DUPUIS NICOLAS

Photonic integrated circuit having a waveguide-grating coupler

OREGON STATE

Linear optical sampling methods and apparatus

CHEN LONG L

Tunable optical frequency comb generator

AGERE SYSTEMS INC

Tunable thermo-optic device and method for using