706 citations · 1.1k across the 21 of their papers we have counts for
22 papers
Secure Quantum Metasurfaces for Direct Quantum Key Distribution Measurements
Yan He, Adetunmise C. Dada
Quantum key distribution (QKD) can deliver information-theoretic security, but its receivers are still typically assembled from cascaded bulk optics. Metasurfaces offer a radical r…
Direct Adaptive Certification of High-Dimensional Entanglement with Bell Tests
Xu Kang Tan, Jesvita Menezes, Sanjan D. Murthy +1
Entangled photons play a crucial role in quantum applications, and determining and characterising their entanglement is vital to using them effectively. High-dimensional entangled…
Broadband Achromatic Metalens for the Short-Wave Infrared
Yan He, Adetunmise C. Dada
The 1.8-2.3 μm band lies within the short-wavelength infrared (SWIR) region and serves as a key window for a wide range of applications, including quantum sensing, molecular spectr…
Polarization Purity and Dispersion Characteristics of Nested Antiresonant Nodeless Hollow-Core Optical Fiber at Near- and Short-wave-IR Wavelengths for Quantum Communications
Ivi Afxenti, Lijun Yu, Taylor Shields +5
Advancements in quantum communication and sensing require improved optical transmission that ensures excellent state purity and reduced losses. While free-space optical communicati…
Enhancing interferometry using weak value amplification with real weak values
Jing-Hui Huang, Kyle M. Jordan, Adetunmise C. Dada +2
We introduce an ultra-sensitive interferometric protocol that combines weak value amplification (WVA) with traditional interferometry. This protocol WVA + interferometry uses weak…
Mitigating Source and Detection Noises in Auto-correlative Weak-Value Amplification
Xiang-Yun Hu, Jing-Hui Huang, Fei-Fan He +2
Weak-value amplification (WVA) is a post-selection-based technique that amplifies weak physical signals by preparing nearly orthogonal pre- and post-selected quantum states. It is…
Electro-Optical Sampling of Single-Cycle THz Fields with Single-Photon Detectors
Taylor Shields, Adetunmise C. Dada, Lennart Hirsch +6
Electro-optical sampling of Terahertz fields with ultrashort pulsed probes is a well-established approach for directly measuring the electric field of THz radiation. This technique…
An all-dielectric metasurface polarimeter
Yash D. Shah, Adetunmise C. Dada, James P. Grant +6
The polarization state of light is a key parameter in many imaging systems. For example, it can image mechanical stress and other physical properties that are not seen with convent…
Auto-correlative weak-value amplification under strong noise background
Jing-Hui Huang, Xiang-Yun Hu, Adetunmise C. Dada +4
By choosing more orthogonality between pre-selection and post-selection states, one can significantly improve the sensitivity in the general optical quantum metrology based on the…
Near-maximal two-photon entanglement for quantum communications at 2.1 m
Adetunmise C. Dada, Jędrzej Kaniewski, Corin Gawith +4
Owing to a reduced solar background and low propagation losses in the atmosphere, the 2- to 2.5-m waveband is a promising candidate for daylight quantum communication. This spec…
Two-photon Quantum Interference and Entanglement at 2 μm
Shashi Prabhakar, Taylor Shields, Adetunmise Dada +12
Quantum-enhanced optical systems operating within the 2- to 2.5-m spectral region have the potential to revolutionize emerging applications in communications, sensing, and metro…
Optimal simultaneous measurements of incompatible observables of a single photon
Adetunmise C. Dada, Will McCutcheon, Erika Andersson +6
Joint or simultaneous measurements of non-commuting quantum observables are possible at the cost of increased unsharpness or measurement uncertainty. Many different criteria exist…
Experimental triple-slit interference in a strongly-driven V-type artificial atom
Adetunmise C. Dada, Ted S. Santana, Antonios Koutroumanis +4
Rabi oscillations of a two-level atom appear as a quantum interference effect between the amplitudes associated to atomic superpositions, in analogy with the classic double-slit ex…
Magneto-optical spectroscopy of single charge-tunable InAs/GaAs quantum dots emitting at telecom wavelengths
Luca Sapienza, Rima Al-Khuzheyri, Adetunmise Dada +3
We report on the optical properties of single InAs/GaAs quantum dots emitting near the telecommunication O-band, probed via Coulomb blockade and non-resonant photoluminescence spec…
Indistinguishable single photons with flexible electronic triggering
Adetunmise C. Dada, Ted S. Santana, Ralph N. E. Malein +6
A key ingredient for quantum photonic technologies is an on-demand source of indistinguishable single photons. State-of-the-art indistinguishable single-photon sources typically em…
Screening nuclear field fluctuations in quantum dots for indistinguishable photon generation
R. N. E. Malein, T. S. Santana, J. M. Zajac +6
A semiconductor quantum dot can generate highly coherent and indistinguishable single photons. However, intrinsic semiconductor dephasing mechanisms can reduce the visibility of tw…
Multiplexing scheme for simplified entanglement-based large-alphabet quantum key distribution
Adetunmise C. Dada
We propose a practical quantum cryptographic scheme which combines high information capacity, such as provided by high-dimensional quantum entanglement, with the simplicity of a tw…
A strain-tunable quantum dot embedded in a nanowire antenna
P. E. Kremer, A. C. Dada, P. Kumar +4
We demonstrate an elastically-tunable self-assembled quantum dot in a nanowire antenna that emits single photons with resolution-limited spectral linewidths. The single-photon devi…
Distinguishing between non-orthogonal quantum states of a single spin
Gerald Waldherr, Adetunmise C. Dada, Philipp Neumann +3
An important task for quantum information processing is optimal discrimination between two non-orthogonal quantum states, which until now has only been realized optically. Here, we…
On Bell inequality violations with high-dimensional systems
Adetunmise C. Dada, Erika Andersson
Quantum correlations resulting in violations of Bell inequalities have generated a lot of interest in quantum information science and fundamental physics. In this paper, we address…
Experimental high-dimensional two-photon entanglement and violations of generalised Bell inequalities
Adetunmise C. Dada, Jonathan Leach, Gerald S. Buller +2
Quantum entanglement plays a vital role in many quantum information and communication tasks. Entangled states of higher dimensional systems are of great interest due to the extende…
Quantum measurements of atoms using cavity QED
Adetunmise C. Dada, Erika Andersson, Martin L. Jones +2
Generalized quantum measurements are an important extension of projective or von Neumann measurements, in that they can be used to describe any measurement that can be implemented…