Inventor

DONG PO

US45 patents

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

DONG PO

ALCATEL LUCENT USA INC

Wafer-level testing of optical circuit devices

Advanced modulation formats using optical modulators

Photonic integrated circuit having a relative polarization-rotating splitter/combiner

Optical data modulators with feedback wavelength control

Reconfigurable optical networks

Hybrid semiconductor lasers

Reconfigurable athermal optical filters

Modular optical device and modules therefor

Monolithic silicon lasers

Stokes-vector-based transmission and detection of optical polarization-division-multiplexed signals

Detector device

Level spacing for M-PAM optical systems with coherent detection

Optical grating coupler with back-side reflector

Active optical isolators and active optical circulators

Method and apparatus for locking WDM transmitter carriers to a defined grid

NOKIA SOLUTIONS & NETWORKS OY

Methods and apparatus for tuning optical microring devices

Chip-to-chip optical interconnect

Optical coherent receiver

Single mode grating coupler with vertical coupling direction and small back reflection

Optical device having a photonic chip with one or more suspended functional portions

Apparatus and method of generating multilevel quadrature amplitude modulated signal using electro-absorption modulators

Data transmission on phase components of an optical carrier by direct modulation of reflectors of a laser

Birefringent waveguide circuit having an optical hybrid

Directly modulated laser having a variable light reflector

II VI DELAWARE INC

Modular assembly for opto-electronic systems

Wavelength-division-multiplexing optical circuit implemented in photonic integrated circuit for optical transmitter

Trimming of optical response for tunable photonic devices

Optical couplers and hybrids

Optical couplers and hybrids

Modular assembly for opto-electronic systems

Modular assembly for opto-electronic systems

Photonic integrated circuit having array of photonic devices

DONG PO

Reducing optical loss in an optical modulator using depletion region

Advanced modulation formats using optical modulators

Forming optical device using multiple mask formation techniques

Optical device having partially butt-coupled light sensor

KOTURA INC

Optical device having modulator employing horizontal electrical field

Electrooptic silicon modulator with enhanced bandwidth

Optical coupler at interface between light sensor and waveguide

CHEN LONG

Multi-core optical fiber coupler

Electronic/photonic integrated circuit architecture and method of manufacture thereof

ASGHARI MEHDI

Ring resonator with wavelength selectivity

KOTUSA INC

Optical device having light sensor employing horizontal electrical field

NOKIA AMERICA CORP

System and method for polarization multiplexed optical communications

ALCATEL LUCENT

Level spacing for M-PAM optical systems with coherent detection