John Joannopoulos

Department of Physics, MIT
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Inventions

Metamaterials Incorporating “Smart” Elements: Gyromagnetism in the Absence of a Magnetic Field
Tailoring Optical Nonlinearities via the Purcell Effect
Efficient Harmonic Generation and Frequency Conversion in Multi-Mode Cavities
Shock-Wave Modulation and Control of Electromagnetic Radiation
Using Optical Solitons to Increase Figure-of-Merit of Laser Beam Deflection Devices
Surface-plasmon Index Guided Waveguides
Spectrometer Devices and Fabric from Co-drawn Conducting, Semiconducting, and Insulating Materials
Transverse Fiber Lasers
Efficient Terahertz Sources by Optical Rectification in Photonic Crystals and Metamaterials Exploiting Tailored Transverse Dispersion Relations
Surface-Plasmono Dielectric-Polaritonic (SPDP) Devices and Systems
Nonlinear Harmonic Generation and Devices in Multi-resonant Cavities
One-way Waveguides using Gyrotropic Photonic Crystals
Zero-group-velocity Modes in Holey Photonic-crystal Fibers
Efficient Terahertz Sources Based on Difference-frequency Generation in Triply-resonant Photonic Resonators
Fibers with Large Area Electrodes and Piezoelectric Fibers
A High Efficiency Micro-thermophotovoltaic Generator System
Angular Photonic Band Gap
Photodetecting Fiber
Fiber Draw Synthesis
Electromagnetic Wave Broadband Angular Selectivity
Controlled Azimuthal Emission from a Microfluidic Fiber Laser
Silicon-in-Silica Spheres via Temperature-Gradient Controlled Amplification of In-Fiber Capillary Instabilities
Enabling Single-mode Behavior Over Large Areas with Photonic Dirac Points
Enhanced Light Interaction with Organic Molecules in Photonic Crystal Slabs