在有限的光物质耦合点上实现量子理想压缩光的能力可以在量子光学和信息技术领域实现前所未有的应用。
Kenji Hayashida, Takuma Makihara, Nicolas Marquez Peraca, Diego Fallas Padilla, Han Pu, Junichiro Kono, and Motoaki Bamba
“Perfect Intrinsic Squeezing at the Superradiant Phase Transition Critical Point”
Scientific Reports 13, 2526 (2023)
这项研究首次在某个物理体系中证实了“磁子超辐射相变”,为量子光学、热力学和固态物理学之间的相互关联做出了贡献。
Motoaki Bamba, Xinwei Li, Nicolas Marquez Peraca, and Junichiro Kono
“Magnonic Superradiant Phase Transition”
Communications Physics 5, 3 (2022)
在两个耦合腔中也可以观察到非常规的光子阻塞现象,这一结果有望推动基于单光子的量子技术在通信和成像中的应用。
Motoaki Bamba, Atac Imamoğlu, Iacopo Carusotto, and Cristiano Ciuti
“Origin of strong photon antibunching in weakly nonlinear photonic molecules”
Phys. Rev. A 83, 021802(R) (2011)
https://arxiv.org/abs/1007.1605
当光强度足够高且其与物质的耦合非常强烈时,就会发生布洛赫-西格特移位,否定了物质只可以通过吸收光子而永远不会通过发射光子被激发到更高能级的标准近似。
Motoaki Bamba, Simon Pigeon, and Cristiano Ciuti
“Quantum Squeezing Generation versus Photon Localization in a Disordered Planar Microcavity”
Physical Review Letters 104, 213604 (2010)
https://arxiv.org/abs/1002.4804
Thomas Boulier, Motoaki Bamba, Albert Amo, Claire Adrados, Lemaitre Lemaitre, Elisabeth Galopin, Isabelle Sagnes, Jacqueline Bloch, Cristiano Ciuti, Elisabeth Giacobino, and Albert Bramati
“Polariton-generated intensity squeezing in semiconductor micropillars”
Nature Communications 5, 3260 (2014)
本研究通过实验探索了一种强约束极子可以产生“压缩光”(即量子涨落被高度抑制的一种连续光子流)的机制。
Xinwei Li, Motoaki Bamba , Qi Zhang, Saeed Fallahi, Geoff C. Gardner, Weilu Gao , Minhan Lou, Katsumasa Yoshioka, Michael J. Manfra, and Junichiro Kono
“Vacuum Bloch–Siegert shift in Landau polaritons with ultra-high cooperativity”
Nature Photonics 12, 324 (2018)
https://hdl.handle.net/1911/102318
热平衡时的超辐射相变现象可能会彻底改变人类世界的能源生产和使用方式,而这一现象终于在一种超导电路中被发现。
Motoaki Bamba, Kunihiro Inomata, and Yasunobu Nakamura
“Superradiant Phase Transition in a Superconducting Circuit in Thermal Equilibrium”
Physical Review Letters 117, 173601 (2016)
https://arxiv.org/abs/1605.01124