Kavli Affiliate: Xiang Zhang
| First 5 Authors: Jiayi Ouyang, Yuxuan Liao, Zhiyao Ma, Deyang Kong, Xue Feng
| Summary:
The photonic Ising machine is a new paradigm of optical computing that takes
advantage of the unique properties of light wave propagation, parallel
processing, and low-loss transmission. Thus, the process of solving
combinatorial optimization problems can be accelerated through
photonic/optoelectronic devices. In this work, we have proposed and
demonstrated the Phase Encoding and Intensity Detection Ising Annealer (PEIDIA)
capable of solving arbitrary Ising problems on demand. The PEIDIA employs the
heuristic algorithm and requires only one step of optical linear transformation
with simplified Hamiltonian calculation by encoding the Ising spins on the
phase term of the optical field and performing intensity detection during the
solving process. As a proof of principle, several 20 and 30-spin Ising problems
have been solved with high ground state probability (more than 0.97/0.85 for
the 20/30-spin Ising model).
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