Inventor

JOANNOPOULOS JOHN D

US114 patents

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

JOANNOPOULOS JOHN D

MASSACHUSETTS INST TECHNOLOGY

Wireless non-radiative energy transfer

Wireless non-radiative energy transfer

Mach-Zehnder interferometer using photonic band gap crystals

High efficiency channel drop filter with absorption induced on/off switching and modulation

Tunable microcavity and method of using nonlinear materials in a photonic crystal

Efficient near-field wireless energy transfer using adiabatic system variations

Wireless energy transfer

Photonic crystal exhibiting negative refraction without requiring a negative effective index

All-dielectric coaxial waveguide with annular sections

High efficiency channel drop filter

Three-dimensional periodic dielectric structures having photonic bandgaps

Thermal sensing fiber devices

Thermal sensing fiber devices

Input light coupler using a pattern of dielectric contrast distributed in at least two dimensions

Optical waveguide crossings

Composite photonic crystals

High omnidirectional reflector

Light emitting device utilizing a periodic dielectric structure

Resonant cavities employing two dimensionally periodic dielectric materials

Three-dimensional periodic dielectric structures having photonic bandgaps

Wireless non-radiative energy transfer

High omnidirectional reflector

High efficiency channel drop filter with absorption induced on/off switching and modulation

Resonant-tunneling electronic transportors

Resonant microcavities employing one-dimensionally periodic dielectric waveguides

JOANNOPOULOS JOHN D

Wireless energy transfer across a distance to a moving device

Wireless energy transfer across variable distances with high-Q capacitively-loaded conducting-wire loops

Wireless energy transfer over distances to a moving device

Wireless energy transfer over variable distances between resonators of substantially similar resonant frequencies

Wireless energy transfer with high-Q to more than one device

Wireless energy transfer across variable distances

Wireless energy transfer with high-Q capacitively loaded conducting loops

Wireless energy transfer with high-Q similar resonant frequency resonators

Wireless energy transfer with high-Q sub-wavelength resonators

Wireless energy transfer with high-Q devices at variable distances

Wireless energy transfer with high-Q at high efficiency

Wireless energy transfer with high-Q from more than one source

Wireless energy transfer over a distance at high efficiency

Wireless non-radiative energy transfer

Wireless non-radiative energy transfer

Wireless non-radiative energy transfer

Wireless energy transfer to a moving device between high-Q resonators

OMNIGUIDE COMM

Electromagnetic mode conversion in photonic crystal multimode waveguides

High index-contrast fiber waveguides and applications

High index-contrast fiber waveguides and applications

Photonic crystal optical waveguides having tailored dispersion profiles

Low-loss photonic crystal waveguide having large core radius

Low-loss photonic crystal waveguide having large core radius

KARALIS ARISTEIDIS

Wireless energy transfer

Wireless energy transfer, including interference enhancement