5 papers
Analyzing Parametric Oscillator Ising Machines through the Kuramoto Lens
Nikhat Khan, E. M. H. E. B. Ekanayake, Nicolas Casilli +3
Networks of coupled nonlinear oscillators are emerging as powerful physical platforms for implementing Ising machines. Yet the relationship between parametric-oscillator implementa…
New Best-Known Max-Cut Solution for the G63 Instance in the G-Set Benchmark
Nikhat Khan, Nikhil Shukla
For over two decades, the G-set benchmark has remained a cornerstone challenge for combinatorial optimization solvers. Remarkably, it continues to yield new best-known solutions ev…
Spin Freezing in Oscillator Ising Machines: When Second Harmonic Injection Impedes Computation
Malihe Farasat, E. M. H. E. B. Ekanayake, Nikhil Shukla
Second harmonic injection (SHI) has emerged as a critical mechanism in enabling networks of coupled oscillators to function as Oscillator Ising Machines (OIMs), capable of minimizi…
Bridging the Analog and the Probabilistic Computing Divide: Configuring Oscillator Ising Machines as P-bit Engines
E. M. Hasantha Ekanayake, Nikhat Khan, Nikhil Shukla
Oscillator Ising Machines (OIMs) and probabilistic bit (p-bit)-based computing platforms have emerged as promising paradigms for tackling complex combinatorial optimization problem…
Different Paths, Same Destination: Designing New Physics-Inspired Dynamical Systems with Engineered Stability to Minimize the Ising Hamiltonian
E. M. H. E. B. Ekanayake, N. Shukla
Oscillator Ising machines (OIMs) represent an exemplar case of using physics-inspired non-linear dynamical systems to solve computationally challenging combinatorial optimization p…