Binomial States of Light Revisited

H. C. Fan, Liyun Hu

Akira Furusawa

XU Mai-chang

Quantum theory is used to study the fidelity of quantum information of binomial light field interacting with pair atoms of entanglement state.The effect of binomial light field and the degree of entanglement of the pair atoms on the fidelity is discussed by numerical method.The results show that we can acquire high fidelity exportation of the light field with selecting the parameters of entangled atom pair and binomial light field parameters,and function time of the light and atom.

Thiago Takaji Tsutsui, Danilo Cius, Antonio S. M. de Castro +1 more

We apply the fractional-time Schrödinger equation to the Jaynes–Cummings model with an initial binomial state of light. Using time-dependent Dyson maps to address non-unitarity, we investigate atomic population inversion and atom-field entanglement for different fractional orders α . We illustrate how different fractional orders α affect the light–matter dynamics across distinct parameter regimes of the initial binomial state.

W. S. Liu, Paolo Tombesi

Anjali Jatwani, Amit Verma

This study investigates quantum polarization in a two-mode generalized binomial state (TMGBS), a non-classical property of light, using quantum Stokes parameters and crucial in terms of its relationship to the purity and coherence of quantum states. Here we explore the criterion of quantum polarization in a generalized binomial state of light, which features a binomial photon number distribution in light pulses. Previous work by our group has examined other higher-order nonclassicality in single-and two-mode systems of GBS. Here we focus on the degree of polarization, an essential factor for observing entanglement in two-mode quantum states. Our findings emphasize the role of quantum polarization in detecting entanglement between optical modes, a fundamental resource for quantum communication protocols, including quantum teleportation and cryptography. The study demonstrates that TMGBS is an optimal candidate for achieving high degrees of quantum polarization under varied parameters, providing insights that could advance quantum technologies like quantum communication and metrology, where entanglement is pivotal.