I don't know a good link to a discussion of this system, but the idea of establishing quantum supremacy has been much discussed in optical systems under the tit

I don't know a good link to a discussion of this system, but the idea of establishing quantum supremacy has been much discussed in optical systems under the title of boson sampling. https://en.wikipedia.org/wiki/Boson_sampling https://en.wikipedia.org/wiki/Boson_sampling