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International Crimean Conference Microwave and Telecommunication Technology

Main principles of use of coherent population trapping for modulation and demodulation of multifrequency radiation

Machekhin, Vozniuk

Published Jan 1, 2010• 0 citations
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Related papers

Main principles of use of coherent population trapping for modulation and demodulation of multifrequency radiation

Yu. P. Machekhin, Е. В. Вознюк

The basic principles of physical effect of coherent population trapping (CPT) were studied as a basis for the development of devices for modulation and demodulation of multi-frequency radiation into the modern DWDM (dense wavelength-division multiplexing) systems that will significantly increase the volume of transmitted data.

International Crimean Conference Microwave and Telecommunication Technology•Sep 1, 2010•0 citations

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•Jan 1, 2005•0 citations

Coherent Population Trapping Resonances under Multifrequency Optical Pumping

Савинов Константин Николаевич, Nickolai. N. Golovin, А. К. Дмитриев

Abstract Coherent population trapping resonances are detected in a cell with Rb-87 exposed to the multifrequency radiation from an external-cavity diode laser under the combined action of microwave and VHF modulation of the injection current. The relative amplitudes of the resonances and the frequency spacing between them are measured.

Bulletin of the Lebedev Physics Institute•Aug 1, 2023•2 citations

Relation between the Spectrum of a Laser and Coherent Population Trapping Resonances under Multifrequency Excitation

K.N. Savinov, L. R. Stolyarova, Darya M. Kotina +3 more

Abstract The paper presents the results of studying the coherent population trapping (CPT) resonances observed in a cell with 87Rb vapor with addition of a buffer gas under multifrequency excitation by radiation from an external cavity diode laser (ECDL). The laser diode injection current is modulated simultaneously by microwave (MW) and very high-frequency (VHF) signals. It has been revealed that, for a certain band of VHF modulation frequencies, the amplitude of a CPT resonance is proportional to the product of the electrical field strengths of the spectral components contributing to resonance excitation. The proposed model of calculating the resonance amplitude is in good agreement with experimental data.

Optoelectronics Instrumentation and Data Processing•Feb 1, 2026•0 citations

Modulation-induced frequency shifts in Coherent Population Trapping clocks

David F. Phillips, Irina V. Novikova, C. Y. T. Wang +2 more

APS•May 1, 2004•0 citations
Abstract The paper presents the results of studying the coherent population trapping (CPT) resonances observed in a cell with 87Rb vapor with addition of a buffer gas under multifrequency excitation by radiation from an external cavity diode laser (ECDL). The laser diode injection current is modulated simultaneously by microwave (MW) and very high-frequency (VHF) signals. It has been revealed that, for a certain band of VHF modulation frequencies, the amplitude of a CPT resonance is proportional to the product of the electrical field strengths of the spectral components contributing to resonance excitation. The proposed model of calculating the resonance amplitude is in good agreement with experimental data.