Researchers develop simpler optical atomic clock with single laser design

Researchers have developed a new optical atomic clock that uses a single laser and operates at higher temperatures, eliminating the need for cryogenic cooling. This design simplifies the clock's structure while maintaining accuracy and stability. The new clock employs a frequency comb laser to excite rubidium-87 atoms, achieving performance comparable to traditional clocks that use two lasers. This advancement could make atomic clocks more compact and portable for various applications. The researchers tested their clock against a traditional model and found similar performance levels. They aim to further enhance the design for improved stability and size, potentially expanding its use in everyday technology.