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|Title:||Dichroic two-photon rubidium frequency standard|
|Citation:||Physical Review Applied, 2019; 12(5):054063-1-054063-6|
|Publisher:||American Physical Society|
|C. Perrella, P.S. Light, J.D. Anstie, F.N. Baynes, R.T. White and A.N. Luiten|
|Abstract:||We demonstrate an optical frequency standard based on the 5S1/2→5D5/2 two-photon transition of rubidium. The transition is interrogated in a Doppler-free arrangement by two lasers at 780 and 776 nm, with the sum frequency of the two lasers locked to the two-photon transition. We measure the fractional frequency stability of the frequency standard to be 1.5×10−13 at 1 s, reaching 4.9×10−14 at approximately 100s, by comparison with an optical frequency comb. Performance limitations are presented and a clear pathway to an order-of-magnitude improvement is discussed. This platform has the potential to deliver a compact, robust standard for commercial and industrial applications.|
|Rights:||© 2019 American Physical Society.|
|Appears in Collections:||Physics publications|
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