Journal of Applied Physics

Frequency locking: A distinctive feature of the coherent population trapping

E E. A. Tsygankov (Frequency Standards Laboratory, P. N. Lebedev Physical Institute of the Russian Academy of Sciences , Leninsky Prospect 53, Moscow 119991,) D D. S. Chuchelov (P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,) M M. I. Vaskovskaya (P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,) V V. V. Vassiliev (P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,) S S. A. Zibrov (P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,) V V. L. Velichansky (P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,)

Abstract

We investigate the use of phase modulation to generate an error signal for frequency stabilization to a reference atomic transition. The study focuses on the high-frequency modulation regime. Our theoretical analysis shows that, in the case of coherent population trapping, the maximal slope of the error signal remains constant as the modulation frequency increases, whereas it steadily decreases for other types of resonances. Experimental results with 87Rb atoms confirm this behavior under comparison with the double radio-optical resonance.

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Article Details

Volume / Issue Vol. 137, Issue 10
Published March 14, 2025
ISSN 0021-8979
Publisher American Institute of Physics

Journal Info

Journal of Applied Physics

American Institute of Physics
ISSN: 0021-8979 Physical Sciences

Authors (6)

E

E. A. Tsygankov

Frequency Standards Laboratory, P. N. Lebedev Physical Institute of the Russian Academy of Sciences , Leninsky Prospect 53, Moscow 119991,

D

D. S. Chuchelov

P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,

M

M. I. Vaskovskaya

P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,

V

V. V. Vassiliev

P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,

S

S. A. Zibrov

P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,

V

V. L. Velichansky

P.N. Lebedev Physical Institute, Russian Academy of Sciences 3 , 119991 Moscow,

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