Robuta

https://www.nist.gov/news-events/news/2012/12/photons-emitted-quantum-dots-can-be-made-indistinguishable-through-quantum
quantum dotsphotonsemittedmadeindistinguishable
https://www.adutoys.com/frequency-conversion-double-headed-shock-av-wand-vibrator
frequency conversiondouble headedwand vibratorshockav
https://www.nist.gov/publications/chip-scale-telecommunications-band-frequency-conversion-interface-quantum-emitters
band frequencychipscaletelecommunicationsconversion