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Coherently manipulating a number of entangled qubits is the key task of quantum information processing. In this paper, we report… Expand A three-photon entangled state with 3 × 3 × 2 dimensions of its orbital angular momentum is created by using two independent… Expand We provide analytic insight into the generation of stationary itinerant photon entanglement in a 3-mode optomechanical system. We… Expand The prospect of realizing building blocks for long-distance quantum communication is a major driving force for the development of… Expand Researchers demonstrate the creation of an eight-photon Schrodinger-cat state with genuine multipartite entanglement by… Expand Bell’s theorem experiments, which test the completeness of quantum mechanics, have a number of loopholes. However, one type… Expand Precise control of single-photon states and multiphoton entanglement is demonstrated on-chip. Two- and four-photon entangled… Expand Entanglement is the key element for many experiments in quantum communication and information. Especially for future applications… Expand We extend an earlier model by Law and Kimble [J. Mod. Opt.44, 2067 (1997)] for a cavity QED based single-photon-gun to atom… Expand We consider a photonic crystal (PC) doped with four-level atoms whose intermediate transition is coupled near resonantly with a… Expand