We use Hypergeometric Gaussian-II(HyGG-II)modes to investigate the impacts of non-Kolmogorov atmospheric turbulence on the Holevo channel capacity of a quantum communication scheme.The capacity of HyGG-II modes can be...We use Hypergeometric Gaussian-II(HyGG-II)modes to investigate the impacts of non-Kolmogorov atmospheric turbulence on the Holevo channel capacity of a quantum communication scheme.The capacity of HyGG-II modes can be higher than that of Laguerre-Gaussian modes via modulating the hollowness parameter.The influences of low-order turbulence aberrations including tilt,defocus,astigmatism,and coma on the capacity are also explored.Generally,tilt aberration dominates among all low-order aberrations and defocus and astigmatism aberrations are always negligible.By contrast,the effect of coma aberration can be enhanced to be non-negligible when the turbulence strength or the channel zenith angle is enhanced.We also show that only the total and tilt aberrations are sensitive to the non-Kolmogorov power-law exponent.Our results may contribute to the quantum optical communication as well as aberration compensation in turbulent channels utilizing the novel family of vortex beams.展开更多
基金Project supported by the National Key Research and Development Program of China(Grant No.2022YFE0122300)the National Natural Science Foundation of China(Grant Nos.61871202 and 11811530052)
文摘We use Hypergeometric Gaussian-II(HyGG-II)modes to investigate the impacts of non-Kolmogorov atmospheric turbulence on the Holevo channel capacity of a quantum communication scheme.The capacity of HyGG-II modes can be higher than that of Laguerre-Gaussian modes via modulating the hollowness parameter.The influences of low-order turbulence aberrations including tilt,defocus,astigmatism,and coma on the capacity are also explored.Generally,tilt aberration dominates among all low-order aberrations and defocus and astigmatism aberrations are always negligible.By contrast,the effect of coma aberration can be enhanced to be non-negligible when the turbulence strength or the channel zenith angle is enhanced.We also show that only the total and tilt aberrations are sensitive to the non-Kolmogorov power-law exponent.Our results may contribute to the quantum optical communication as well as aberration compensation in turbulent channels utilizing the novel family of vortex beams.
