John Joannopoulos

Department of Physics, MIT

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Inventions

Efficient Smith-Purcell Radiation Sources and Enhancement Methods

Plasmons for Spectroscopic, Light Emission, and Broadband Light Generation Applications

Metamaterials Incorporating “Smart” Elements: Gyromagnetism in the Absence of a Magnetic Field

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

Nonlinear Harmonic Generation and Devices in Multi-resonant Cavities

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

Angular Photonic Band Gap

Fiber Draw Synthesis

Electromagnetic Wave Broadband Angular Selectivity

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

All-in-Fiber Chemical Sensing