A new type of laser fusion

Achieving non-thermal fusion via nanoplasmonic field enhancement

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Cortex is pioneering a paradigm shift in fusion energy, moving beyond the challenges of thermal equilibrium. We use precisely structured nanomaterials to concentrate the electric field of ultrafast lasers by orders of magnitude. This immense, localized field, exceeding intensities of 10¹⁹W/cm², directly accelerates deuterons within a liquid medium (D₂O) to kinetic energies sufficient for fusion. Our non-thermal approach circumvents the immense heating and confinement challenges of traditional methods, charting a direct path to clean, safe, and abundant power.

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Unlocking new energy frontiers: The Cortex direct acceleration strategy

At Cortex, we believe the key to unlocking fusion lies in precision and control, not just brute-force heat. Our singular strategy sidesteps the plasma instabilities and energy losses inherent in thermal fusion approaches. By focusing on the direct, non-thermal acceleration of fuel ions, we are developing a fundamentally new and more efficient pathway to fusion energy.

The engine of innovation: Ultrafast plasmonic field enhancement
We are engineering a novel fusion architecture built at the intersection of ultrafast optics and nanophotonics. Leveraging tailored laser pulses and advanced plasmonic nanostructures, we create near-fields of unprecedented intensity.
 
A next-generation non-thermal fusion core
Our innovation is the fusion core that harnesses this direct acceleration. This is a fundamental departure from mainstream fusion research. Instead of heating a vast volume of fuel to hundreds of millions of degrees, we create a highly controlled, micro-scale reaction zone defined by the laser and nanostructure geometry. By directly accelerating deuterons to optimal fusion energies, we bypass the need for a thermal plasma. This approach promises a more compact, scalable, and potentially aneutronic fusion reaction, which could dramatically reduce the complexity, shielding requirements, and cost associated with traditional nuclear power.

Exploring new use-cases
Beyond the primary goal of fusion energy, our unique, compact and elegant neutron source has profound near-term applications across multiple industries. We are actively exploring its potential to drive subcritical small modular reactors (SMRs), offering a safer and more controllable approach to fission power. In the defense industry, its precision and portability unlock new capabilities in materials analysis and threat detection. Furthermore, its ability to perform non-destructive elemental analysis makes it a transformative tool for seabed mining and resource exploration, allowing for the identification of valuable materials in harsh environments. These diverse use-cases represent significant early commercialization pathways for our core technology.

Our team

Our dedicated team is driving these parallel efforts to bring forth a new era of energy technology, focused on creating a cleaner and more secure energy future for all.

Jake Levitt

President & CTO

Dr. Niranjan Shivaram

Collaborator

Dr. Dmitri Kharzeev

Consultant

Dr. Artur Izmaylov

Consultant

Dr. Stylianos Chatzidakis

Collaborator

Dr. Carlos Trallero-Herrero

Collaborator

Dr. Herschel Rabitz

Former Consultant

Dr. Thomas Weinacht

Former Consultant

Kurt Keilhacker

Board Member and Investor

Michael Gibson

Investor and Advisor

Danielle Strachman

Investor and Advisor

Daniel Ramirez

Investor and Advisor

Ben Patterson

Investor and Advisor

Patents

System for Seabed Mineral Prospecting and Mining: High-Resolution Geochemical Mapping and Resource Assessment of Deep-Sea Critical Minerals

US 63/817,085

D2O-Moderated, Fluid-Cooled, Hybrid Fusion-Fission Reactor System Utilizing Unenriched Uranium Fuel and Direct Brayton Cycle

US 63/802,958

Modern Small Modular Hybrid Fusion-Fission Reactor

US 63/792,117

Fusion Reactor Using Laser Control of Nanoshell Surface Plasmon Resonance

US 63/748,178

Neutron Source, Thermal Management System, and Electrical Generator Assembly Using Poincaré Engineering of Nuclear Fusion

US 63/682,691

Fusion Reactor Using Bichromatic Optical Control of Quantum Tunneling

US 17/855,476, PCT/US2022/035845,
EP 22927541.7, & JP 2023-581035

Coherent Control Based on Quantum Zeno and Anti-Zeno Effects

US 63/472,657

Chiral Catalysis of Nuclear Fusion in Molecules

US 63/596,122

Infrared-Class Chiral Fusion Reactors

US 63/653,161 & US 63/668,615

Fusion Reactor Using Optical Control of Quantum Tunneling

US 18/935,092 & PCT/US24/54271

Quantum Phase Control of Nuclear Wavepacket Tunneling Incorporating Multiphoton Processes or Relativistic Gain Media

US 18/479,950

Publications

Globe

Fusion in a nanoshell: Harnessing plasmonic fields for nuclear reactions

Chiral catalysis of nuclear fusion in molecules

Ultrafast laser architectures for quantum control of nuclear fusion

arXiv:2308.07417

Coherent control based on quantum Zeno and anti-Zeno effects: Role of coherences and timing

arXiv:2306.08311
Presenting the technology
Symposium with Purdue collaborators
Observing the prototype
Symposium with Purdue collaborators
Cortex Lab at Purdue
Cortex Lab at Purdue
Cortex Lab at Purdue
Cortex Lab at Purdue
Speaking with Dr. Gerald Dunne (left), Professor of Physics
AMO Seminar at UConn
Jacob Levitt with Dr. Carlos Trallero-Herrero (right), Professor of Physics, in his ultrafast optics lab
AMO Seminar at UConn
Jacob Levitt (President and CTO) presenting to the Physics Department
AMO Seminar at UConn
AMO Seminar at UConn

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