Stanford researchers develop fingernail-sized photonic chip to untangle light with over 98% fidelity
GS3Economy · S&T · Environment · Security· IT, AI, semiconductors & computing· Prelims·
Advancements in photonic computing and light manipulation for GS3 Science & Technology.
Why in news
Stanford University researchers developed a fingernail-sized photonic chip capable of untangling mixed light into individual coherence modes with over 98% fidelity.
Background
The device utilizes interferometers and algorithms to physically untangle partially coherent light. It was developed by Stanford University in collaboration with researchers from Austria and Italy.
Facts for Prelims
- S&TPhotonic chip: A device designed to manipulate light (photons) for data processing or imaging.
- FactThe developed chip achieves over 98% fidelity in untangling mixed light.
- S&TCoherence modes: The specific states of light that the chip is designed to separate.
Prelims practice question
Which technique is utilized by the photonic chip to physically untangle partially coherent light?
- (a)Interferometers
- (b)Nanopores
- (c)Superconductors
- (d)Capacitors
Show answer
Answer: (a) Interferometers — The device utilizes interferometers and algorithms to physically untangle partially coherent light.
For Mains
Q. Discuss how advancements in photonic computing and high-fidelity light manipulation can revolutionize high-resolution imaging and deep-space observation technologies.
Dimensions to cover in your answer
- Data preservation: Capturing hidden information in partially coherent light lost by conventional CMOS sensors
- Hardware miniaturization: Transitioning from bulky optical setups to fingernail-sized integrated photonic circuits
Keywords: Photonic chip · Coherence modes · High-fidelity imaging · Interferometry · Optical computing
More Science & Technology notes
- Odisha to retain 5 baby orangutans as Indonesia fails to provide ownership evidence · 8 November 2026
- Rajasthan receives national award for performance under Renewable Energy State Assessment Framework · 7 November 2026
- NGT issues notice to Tirunelveli Collector over threats to Tamirabharani River fish species · 7 November 2026
- INCOIS launches FISH app for fishermen to upload geotagged catch photographs · 7 November 2026
- Dr Sadhana Rayalu and scientists at the Council of Scientific and Industrial Research (CSIR) · 7 November 2026
- IAF IL-76MD achieves world record highest-altitude landing at Nyoma airbase · 7 November 2026
Something wrong, or something missing?
Spotted a mistake in a note, or want a topic, format or PDF that would help your preparation? Write to us. We read every mail and fix errors fast.
This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.