activity
20192026
most citedA Compact, Mobile, Low-Threshold Squeezed Light Source

29 citations · 62 across the 18 of their papers we have counts for

collaborators

18 papers

quant-ph2026

FPGA Based Feedforward System for Photonic Quantum Computing Applications

Daniel Duggan, Simon Filgis, Axel B. Bregnsbo +4

Field-programmable gate arrays provide a high-performance solution for real-time signal processing in emerging quantum and photonic technologies. We present an FPGA-based fast feed…

quant-ph2026

Phase-Sensitive Crystal-Edge Effects in Linear Optical Parametric Oscillators: Why Nominally Identical Squeezers Behave Differently

Jonas Junker, Donghwa Lee, Reda Louahaj +5

Efficient and reproducible squeezed-light sources are essential for quantum information processing and precision metrology. Compact linear standing-wave optical parametric oscillat…

quant-ph2026

Integrated squeezed light sources for two-mode entanglement in thin-film lithium niobate

Philipp Lohmann, Renato R. Domeneguetti, Daniel Wendland +6

Scalable generation of nonclassical light sources on an integrated platform is a key requirement for photonic quantum information processing. In particular, realizing multiple indi…

quant-ph2026

Testing a continuous-variable noncontextuality inequality with a hybrid-encoded system

Yu Meng, Ying Wang, Clara Henke +7

Continuous-variable quantum systems are promising candidates for quantum computing and quantum information processing. It is widely known that quadrature measurements on Gaussian c…

quant-ph2025

Non-Gaussian entanglement revealed by higher-order quadrature cumulants

Abhinav Verma, Olga Solodovnikova, Jonas S. Neergaard-Nielsen +1

Entanglement is central to quantum physics, yet detecting and exploiting it in non-Gaussian systems remains a major challenge. In continuous variable platforms, standard inseparabi…

quant-ph2025

Distribution of non-Gaussian states in a deployed telecommunication fiber channel

Casper A. Breum, Xueshi Guo, Mikkel V. Larsen +4

Optical non-Gaussian states hold great promise as a pivotal resource for advanced optical quantum information processing and fault-tolerant long-distance quantum communication. Est…

quant-ph2025

The loss tolerance of cat breeding for fault-tolerant grid state generation

Olga Solodovnikova, Ulrik L. Andersen, Jonas S. Neergaard-Nielsen

The development of a continuous-variable photonic quantum computer depends on the reliable preparation of high-quality Gottesman-Kitaev-Preskill states. The most promising GKP prep…

quant-ph2025

Fast simulations of continuous-variable circuits using the coherent state decomposition

Olga Solodovnikova, Ulrik L. Andersen, Jonas S. Neergaard-Nielsen

We present \texttt{lcg\_plus}, an open-source Python library for the simulation of continuous-variable quantum circuits with both generaldyne and photon-number-resolving detector c…

quant-ph2025

Nullifiers of non-Gaussian cluster states through homodyne measurement

Vojtěch Kala, Casper A. Breum, Mikkel V. Larsen +4

In continuous variable optical platforms, large-scale Gaussian cluster states have already been demonstrated, but non-Gaussian resources are essential to achieve universality and f…

quant-ph2025

Scalable architecture for measurement induced squeezed light interferometers

Abhinav Verma, Jacob Hastrup, Jonas S. Neergaard-Nielsen +1

Scalable interferometers lie at the heart of photonic quantum technologies, but their expansion has been fundamentally limited by optical losses that grow with circuit depth. Here,…

quant-ph2025★ 8 cited

Quantum learning advantage on a scalable photonic platform

Zheng-Hao Liu, Romain Brunel, Emil E. B. Østergaard +12

Recent advancements in quantum technologies have opened new horizons for exploring the physical world in ways once deemed impossible. Central to these breakthroughs is the concept…

quant-ph2025

The Octo-Rail Lattice: a four-dimensional cluster state design

Emil E. B. Østergaard, Niklas Budinger, Mikkel V. Larsen +3

Macronode cluster states are promising for fault-tolerant continuous-variable quantum computation, combining gate teleportation via homodyne detection with the Gottesman-Kitaev-Pre…

quant-ph2025

Continuous variable measurement-device-independent quantum certification

B. L. Larsen, A. A. E. Hajomer, P. Abiuso +5

Secure and reliable certification of quantum resources is a fundamental challenge in the advancement of next-generation quantum technologies, particularly as devices become more co…

quant-ph2024★ 4 cited

Demonstration of a Squeezed Light Source on Thin-Film Lithium Niobate with Modal Phase Matching

Tummas Napoleon Arge, Seongmin Jo, Huy Quang Nguyen +8

Squeezed states are essential for continuous variable (CV) quantum information processing, with wide-ranging applications in computing, sensing and communications. Integrated photo…

quant-ph2024★ 4 cited

Improving semi-device-independent randomness certification by entropy accumulation

Carles Roch I Carceller, Lucas Nunes Faria, Zheng-Hao Liu +4

Certified randomness guaranteed to be unpredictable by adversaries is central to information security. The fundamental randomness inherent in quantum physics makes certification po…

quant-ph2024★ 17 cited

Entanglement-enabled advantage for learning a bosonic random displacement channel

Changhun Oh, Senrui Chen, Yat Wong +8

We show that quantum entanglement can provide an exponential advantage in learning properties of a bosonic continuous-variable (CV) system. The task we consider is estimating a pro…

quant-ph2023

Variational quantum algorithm for enhanced continuous variable optical phase sensing

Jens A. H. Nielsen, Mateusz Kicinski, Tummas N. Arge +7

Variational quantum algorithms (VQAs) are hybrid quantum-classical approaches used for tackling a wide range of problems on noisy intermediate-scale quantum (NISQ) devices. Testing…

quant-ph2019★ 29 cited

A Compact, Mobile, Low-Threshold Squeezed Light Source

Jens Arnbak, Christian Scheffmann Jacobsen, Rayssa Bruzaca de Andrade +4

Strongly squeezed light finds many important applications within the fields of quantum metrology, quantum communication and quantum computation. However, due to the bulkiness and c…