On-chip quantum breakthrough: 60-mode large-scale entangled cluster state achieved with optical microresonators

https://www.eurekalert.org/news-releases/1080871

"order magnitude larger... . overcomes scaling limited probabilistic methods, by using continuous-variable deterministically created entanglement, ensuring consistent/ reliable operation... 3 synchronized laser multiple-pump: primary pump initiates degenerate 4-wave mixing generating symmetric entangled light mode pairs, additional pumps contribute via non-degenerate 4-wave mixing expanding entangled network further... up to 3 dB squeezing... quantum computers, ultra-secure communications, and advanced sensors"