Notepad/enter/Machine Tips (Quantum)/Resources/Concepts Review/Physics/Optics.md

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# Optics
Photons are a significant aspect of quantum computing. For instance with quantum dots.
**Quantum** dots can convert terahertz photons into visible light. This mechanism is used to develop a semiconductor-based room-temperature terahertz camera that can simultaneously record the field strength and polarization states of a terahertz beam. The proposed detector has fast speeds and can be manufactured at the wafer-scale.
--*Using quantum dots to produce a CMOS terahertz camera and polarimeter* (2022), [source](https://www.nature.com/articles/s41565-022-01251-9)