Quantum photonics and its applications

Shigeki Takeuchi

Quantum information science has recently attracted a lot of attention. Its applications include secure communication, quantum computation, quantum simulation, and quantum metrology. In these applications, photons are one of the most important physical quanta for their tolerance to decoherence. In this manuscript, we review the recent progress in single-photon/entangled-photon emitters and their applications: heralded single-photon sources using parametric downconversion and their application to quantum key distribution, highly indistinguishable heralded single-photon sources, fiber-coupled solid-state single-photon sources, and ultrabroadband-frequency entanglement generation.

Krishna Thyagarajan

Stefanie Barz

I will explore various facets of photonic quantum systems and applications in quantum technologies: quantum interference, a key element in quantum technologies, photonic quantum computing, and both hardware aspects and applications of photonic quantum networks. Full-text article not available; see video presentation

Bahaa E. A. Saleh

Christopher C. Gerry

In this talk, I review the application of the photon number parity operator to photonic tests of a Bell inequality, quantum optical interferometry, and I propose its application to a quantum random number generating scheme using laser light.

Thomas P. Pearsall