an atomic vapor cell configured to contain one or more atoms;

a first laser, wherein the first laser generates a first laser signal configured to excite the one or more atoms in the atomic vapor cell from a first energy state to a second energy state, and wherein the second energy state is higher than the first energy state;

a second laser, wherein the second laser generates a second laser signal configured to excite the one or more atoms in the in atomic vapor cell from the second energy state to a third state, and wherein the third energy state is higher than the second energy state;

a first beam displacer, wherein the first beam displacer is configured to receive the first laser signal from the first laser, wherein the first beam displacer is configured to split the first laser signal into a first polarized signal and a second polarized signal, and wherein the first beam displacer is optically connected to the atomic vapor cell and is configured to transmit the first and second polarized signals to the atomic vapor cell;

a second beam displacer, wherein the second beam displacer is configured to receive the second laser signal from the second laser, wherein the second beam displacer is configured to split the second laser into a third polarized and a fourth polarized signal, wherein the second beam displacer is optically connected to the atomic vapor cell and is configured to transmit the third and fourth polarized signals to the atomic vapor cell, wherein the first and third polarized signals are transmitted to the atomic vapor cell such that they counter-propagate in a first region of the atomic vapor cell, and wherein the second and fourth polarized signals are transmitted to the atomic vapor cell such that they counter-propagate in a second region of the atomic vapor cell;

one or more photodetectors configured to receive the first and second polarized signals as they exit the atomic vapor cell;

a memory; and

one or more processors;

wherein the memory stores one or more programs that when executed by the one or more processors, cause the one or more processors, when an electric field is incident upon the atomic vapor cell, to: