Path: ...!news.nobody.at!weretis.net!feeder8.news.weretis.net!reader5.news.weretis.net!news.solani.org!.POSTED!not-for-mail From: Jan Panteltje Newsgroups: sci.electronics.design Subject: Re: A Bi-CMOS electronic photonic integrated circuit quantum light detector Date: Thu, 30 May 2024 13:06:15 GMT Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; ISO-8859-15 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 30 May 2024 13:06:16 -0000 (UTC) Injection-Info: solani.org; logging-data="1030043"; mail-complaints-to="abuse@news.solani.org" User-Agent: NewsFleX-1.5.7.5 (Linux-5.15.32-v7l+) Cancel-Lock: sha1:+jYTQUNeHwd6UZU8juIGt2jMBZE= X-Newsreader-location: NewsFleX-1.5.7.5 (c) 'LIGHTSPEED' off line news reader for the Linux platform NewsFleX homepage: http://www.panteltje.nl/panteltje/newsflex/ and ftp download ftp://sunsite.unc.edu/pub/linux/system/news/readers/ X-User-ID: eJwFwQkBACAIA8BK8g2Mg1P6R/AuDAKmI+AxMWQP8kqDIi4+NW3OS82u9G4qljwpbVu7/HHjkPYYgbP0A2s5Fds= Bytes: 2360 Lines: 29 On a sunny day (Thu, 30 May 2024 13:23:28 +0200) it happened Jeroen Belleman wrote in : >On 5/30/24 06:56, Jan Panteltje wrote: >> World's smallest quantum light detector on a silicon chip >> https://www.sciencedaily.com/releases/2024/05/240517164111.htm >> Source: >> University of Bristol >> Summary: >> Researchers have made an important breakthrough in scaling quantum technology by integrating the world's tiniest quantum >> light detector onto a silicon chip. >> >> Interesting is the circuit, figure 1 in >> https://www.science.org/doi/10.1126/sciadv.adk6890 >> >> the photo diodes dare used as pull-up and pull down to teh transistor base. >> >> Quantum talk everywhere, >> but interesting noise cancellation after the beam splitter. >> Anybody knows the basics of this? > >The very first word of their abstract has a spelling error. That >doesn't bode well for the rest. > >Anyway, it appears the quantum crowd is discovering the advantages >of synchronous detection, as has been used for ages in lock-in >amplifiers. They call it 'homodyne'. OK, fine. OK, that makes sense.Thank you,