Finding a reliable Ising machine for solving nondeterministic polynomial-class problems has attracted great attention in recent years, where an authentic system can be expanded with polynomial-scaled resources to find the ground state Ising Hamiltonian. In this Letter, we propose an extremely low power optomechanical coherent Ising machine based on a new enhanced symmetry breaking mechanism and highly nonlinear mechanical Kerr effect. The mechanical movement of an optomechanical actuator induced by the optical gradient force greatly increases the nonlinearity by a few orders and significantly reduces the power threshold using conventional structures capable of fabrication via photonic integrated circuit platforms. With the simple but strong bifurcation mechanism and remarkably low power requirement, our optomechanical spin model opens a path for chip-scale integration of large-size Ising machine implementations with great stability.
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Article Synopsis
- Scientists and engineers have long sought faster and more efficient ways to solve mathematical equations, moving beyond traditional brute-force computing methods that are becoming less effective over time.
- New techniques that take advantage of natural systems' energy minimization, like annealers and Ising Machines, are gaining popularity, with a focus on programmable analog solvers that utilize Maxwell's equations and photonic circuits.
- A novel photonic integrated circuit was developed, demonstrating 90% accuracy compared to commercial solvers, and successfully tested for modeling thermal diffusion on a spacecraft’s heat shield, signaling potential applications in various scientific and engineering areas.
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