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Search Publications by: Vladislav Gerginov (Fed)

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Displaying 1 - 6 of 6

A Resilient Architecture for the Realization and Distribution of Coordinated Universal Time to Critical Infrastructure Systems in the United States: Methodologies and Recommendations from the National Institute of Standards and Technology (NIST)

November 3, 2021
Jeffrey Sherman, Ladan Arissian, Roger Brown, Matthew J. Deutch, Elizabeth Donley, Vladislav Gerginov, Judah Levine, Glenn Nelson, Andrew Novick, Bijunath Patla, Tom Parker, Benjamin Stuhl, Jian Yao, William Yates, Michael A. Lombardi, Victor Zhang, Douglas Sutton
The Time and Frequency Division of the National Institute of Standards and Technology (NIST), an agency of the United States Department of Commerce (DOC), was tasked with fulfilling Section 4, Part (i) of the Position, Navigation and Timing (PNT) Executive

Field-Polarization Sensitivity in rf Atomic Magnetometers

February 4, 2019
Vladislav P. Gerginov
We demonstrate the sensitivity of an optically-pumped atomic RF magnetometer to the polarization state of the detected RF magnetic field, and measure 33 dB difference in amplitude sensitivity for opposite circular field polarizations. This sensitivity

Two-photon optical frequency reference with active AC Stark shift cancellation

July 30, 2018
Vladislav P. Gerginov, Kyle P. Beloy
An optical reference based on two-photon optical transition with AC stark shift cancellation is proposed. The reference uses two interrogating laser fields at different frequencies. Compared to conventional optical two-photon references, the new approach

Effect of Local Oscillator Performance on UWB Based Indoor Localization System

May 21, 2018
Archita Hati, Fabio C. Da Silva, Vladislav P. Gerginov, Craig W. Nelson
We discuss the performance of a commercial Ultra-wideband (UWB) ranging technique for indoor localization. We study the influence of local oscillator's phase noise and its frequency drifts due to temperature variations on the range estimation and ranging

Prospects for Magnetic Field Communications and Location Using Quantum Sensors

December 14, 2017
Vladislav P. Gerginov, Fabio C. Da Silva, David A. Howe
Signal attenuation limits the operating range in wireless communications and location. To solve the reduced range problem, one can use low-frequency signals in combination with magnetic sensing. We propose the use of an optically-pumped magnetometer as a

A pulsed scalar optically-pumped magnetometer

June 16, 2017
Vladislav P. Gerginov, Sean P. Krzyzewski, Svenja A. Knappe
A scalar magnetic field sensor based on 87Rb vapor millimeter-size cell is described. The magnetometer uses co-propagating pump/probe laser beam, amplitude modulation of the pump beam and non-demolition polarization rotation detection of the probe beam