The challenges of modern computing and new opportunities for optics

PhotoniX

Table 1 Experimental data of different schemes shown in Fig. 5^a

Item/Scheme	OPO	Microwave	Modulator	Multi-fiber	SLM	MZI	Ring
Multiplexing	Temporal	Temporal	Temporal	Spatial	Spatial	Spatial	Spatial
Spin number	4-50 k	10 k	100	16	100-75 k	4	2
Annealing time	μs~ms	s	ms~s	μs	s	ms~s	ns~μs
Connection type	Full/Chain	Chain/Partial	Full	Full	Full	Full	Chain
Reconfigurable	Y	N	Y	Y	N	Y	N
Annealing Mech.	PA	PA	PA	PA	SA	SA	PA
Scalability	Excellent	Excellent	Excellent	Good	Excellent	Excellent	Excellent
Robustness	Poor	Good	Excellent	Poor	Poor	Excellent	Excellent
Reference	[132,133,134,135,136,137,138,139,140,141]	[142]	[143]	[144]	[145,146,147,148]	[149, 150]	[151, 152]

^a OPO optical parametric oscillation, PA physical annealing, SA stimulated annealing, SLM spatial light modulator, MZI Mach-Zehnder interferometer