Authors: Nicolas Casilli, Tahmid Kaisar, Luca Colombo, Siddhartha Ghosh, Philip X.-L. Feng, Cristian Cassella
Published on: December 13, 2023
Impact Score: 8.0
Arxiv code: Arxiv:2312.08329
Summary
- What is new: Introduction of a new class of Ising Machines using coupled parametric frequency dividers (PFDs) for significantly lower power consumption and faster phase synchronization.
- Why this is important: Existing Ising Machines based on subharmonic injection locking (SHIL) have high power consumption, making it challenging to solve large scale combinatorial optimization problems efficiently.
- What the research proposes: The use of coupled parametric frequency dividers (PFDs) as macroscopic artificial spins in Ising Machines, which requires no strong injected signals or applied DC voltages, resulting in lower power consumption and improved performance in solving combinatorial optimization problems.
- Results: A 4 node PFD Ising Machine demonstrated, solving MaxCut problems with 600 nanoWatts power consumption per spin, two orders of magnitude lower than SHIL based IMs at the same frequency.
Technical Details
Technological frameworks used: Coupled Parametric Frequency Dividers (PFDs) based Ising Machines
Models used: Macroscopic artificial spins
Data used: MaxCut problem sets
Potential Impact
Computing architectures, energy-efficient computing solutions, companies involved in optimization problems and solutions
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