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The 13 pages that link to Optical atomic clock, each with the reason it gives.

• Atomic clockBroader topic: Optical clocks can reach higher fractional precision than conventional microwave clocks.

• SecondBroader topic: Optical clocks test future, more precise realizations of the second.

• Quantum opticsRelated: Laser control and quantum measurement enable exceptionally precise optical-frequency comparisons.

• Hydrogen maserCompared with: Optical clocks can achieve higher accuracy, but hydrogen masers offer strong microwave stability.

• Magneto-optical trapRelated: Cold neutral atoms prepared in a magneto-optical trap can be used in some clock designs.

• Time dilationRelated: Its precision can detect gravitational clock-rate changes across small height differences.

• CaesiumCompared with: Optical clocks use much higher frequencies than caesium’s microwave standard.

• John L. HallBroader topic: Comb-based links between optical and microwave frequencies support clocks built on Hall’s metrology advances.

• Theodor W. HänschRelated: Frequency combs compare its rapid optical oscillations with countable electronic frequencies.

• Arthur Leonard SchawlowBroader topic: Its operation depends on resolving exceptionally narrow optical transitions.

• Caesium standardCompared with: Optical clocks operate at far higher frequencies and can surpass caesium accuracy.

• David J. WinelandRelated: Wineland’s trapped-ion precision measurements contributed to the development of optical clocks.

• Norman Ramsey Jr.Related: Modern optical clocks build on the precision measurement principles Ramsey established.