波导中单量子发射器产生的双峰非高斯光子态
Bimodal non-Gaussian photonic states from a single quantum emitter in a waveguide
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中文总结 AI 辅助
该研究利用耦合到手性波导的单个二能级系统，通过不同输入脉冲产生非高斯光子态，分析了耦合缺陷等影响并提出恢复手性相互作用的干涉方案，为相关量子态制备提供了可行路径。
中文摘要 AI 辅助
我们研究利用耦合到手性波导的单个二能级系统产生确定性且可预告的非高斯光态。我们分析单个二能级系统在手性波导中受脉冲相干驱动和压缩驱动的情况。对于相干输入脉冲，我们证明该发射器可确定性产生维格纳负态，不过其秩有限。进一步，使用压缩真空输入时，我们证明该相互作用会产生双峰非高斯态，从中可实验提取更高星秩态，包括大压缩猫态，且具有可观的成功率。受实验实现的启发，我们进一步分析了耦合不完善以及对称非手性波导固有的50%收集极限的影响。最后，我们提出一种简单的干涉方案，可在原本双向的波导中恢复有效手性相互作用。
英文摘要
We investigate the generation of deterministic and heralded non-Gaussian states of light, using a single two-level system coupled to a chiral waveguide. We study the case of a single two level system driven by pulsed coherent and squeezed drive in a chiral waveguide. For coherent input pulses, we show that the emitter can deterministically generate Wigner-negative states, albeit of limited rank. Going beyond, using squeezed-vacuum inputs, we show that the interaction produces bimodal non-Gaussian states from which higher-stellar-rank states, including large squeezed cat states, can be experimentally extracted with a substantial success rate. Motivated by experimental implementations, we further analyze the effect of imperfect coupling and of the intrinsic $50\%$ collection limit of symmetric, non-chiral waveguides. Finally, we propose a simple interferometric scheme that recovers an effectively chiral interaction in an otherwise bidirectional waveguide.
