Simultaneously Sorting Overlapping Quantum States of Light

Goel, Suraj; Tyler, Max; Zhu, Fei; Leedumrongwatthanakun, Saroch; Malik, Mehul; Leach, Jonathan

doi:10.1103/physrevlett.130.143602

Cited by 7 publications

(1 citation statement)

References 52 publications

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“…The problem of quantum gates and operators for high dimensional states remains highly challenging (what is the equivalent of the beam splitter for d-dimensions? ), but with progress of late that promises enhanced functionality in state control [176] and measurement [177]. This is a topic largely untouched yet crucial for practical quantum information processing.…”

Section: Challenges and Opportunitiesmentioning

confidence: 99%

Roadmap on spatiotemporal light fields

Shen

Zhan

Wright

et al. 2023

J. Opt.

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Spatiotemporal sculpturing of light pulse with ultimately sophisticated structures represents the holy grail of the human everlasting pursue of ultra-fast information transmission and processing as well as ultra-intense energy concentration and extraction. It also holds the key to unlock new extraordinary fundamental physical effects. Traditionally, spatiotemporal light pulses are always treated as spatiotemporally separable wave packet as solution of the Maxwell’s equations. In the past decade, however, more generalized forms of spatiotemporally nonseparable solution started to emerge with growing importance for their striking physical effects. This roadmap intends to highlight the recent advances in the creation and control of increasingly complex spatiotemporally sculptured pulses, from spatiotemporally separable to complex nonseparable states, with diverse geometric and topological structures, presenting a bird’s eye viewpoint on the zoology of spatiotemporal light fields and the outlook of future trends and open challenges.

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Section: Challenges and Opportunitiesmentioning

confidence: 99%

Roadmap on spatiotemporal light fields

Shen

Zhan

Wright

et al. 2023

J. Opt.

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Demonstration of $$\mathcal{P}\mathcal{T}$$-symmetric quantum state discrimination

Wang,

Zhu,

Xiao

et al. 2024

Quantum Inf Process

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Quantum cryptography with structured photons

Forbes,

Youssef,

Singh

et al. 2024

Applied Physics Letters

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Quantum photonic platforms have proven to be essential in realizing fundamentally secure quantum transfer of information, with commercially ready systems already deployed in municipal and terrestrial links. The drive toward higher bit rates and robustness to eavesdropping and noisy channels has focused attention on moving from the present two-dimensional quantum states of polarization, to harnessing all of light's degrees of freedom for multi-dimensional quantum coding with structured photons. In this Perspective, we outline the present state-of-the-art in achieving this control with spatial modes of light, both as single photon and entangled states, highlight the open challenges that remain, and consider the roadmap that might see its full potential realized.

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Simultaneously Sorting Overlapping Quantum States of Light

Cited by 7 publications

References 52 publications

Roadmap on spatiotemporal light fields

Roadmap on spatiotemporal light fields

Demonstration of $$\mathcal{P}\mathcal{T}$$-symmetric quantum state discrimination

Quantum cryptography with structured photons

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