1 citations · 2 across the 26 of their papers we have counts for
30 papers
Feynman Meets Turing: The Curse of Quantum Universality
Yannik N. Böck, Holger Boche, Frank H. P. Fitzek
We consider a formal model of quantum circuit description languages (QCDLs) in which semantically meaningful programs correspond to computable unitary matrices. We show that any se…
VaporISAC: Integrated Sensing and Communication via Molecular Signals
Sunasheer Bhattacharjee, Martín Schottlender, Pit Hofmann +3
Conventional electromagnetic (EM)-based integrated sensing and communication (ISAC) systems degrade in cluttered, obstructed, and radio-frequency-hostile environments, while macros…
Identification Codes and Post-Shannon Communication: Theory, Architectures, and Emerging Applications
Wafa Labidi, Kumar Nilesh, Johannes Rosenberger +5
Identification (ID) coding, introduced by Ahlswede and Dueck, extends Shannon's classical communication paradigm by replacing message reconstruction with hypothesis testing. Instea…
Evaluating Encoding Strategies for Closed-Loop Classification in Biological Neural Networks
Martin Schottlender, Veronika Volkova, Pengjie Zhou +3
Interfacing with Biological Neural Networks (BNNs) requires encoding information into stimulation patterns that can be effectively processed and that enable the underlying system t…
Enabling Intelligent Bidirectional Charging: A Real-World Communication Interface Between Electric Vehicles, Charging Infrastructure, and a Control Optimizer
Shangqing Wang, Abhirup Sain, Christopher Lehmann +3
This paper presents the real-world implementation and field validation of a user-aware bidirectional electric vehicle (EV) charging system developed within the Mobilities for EU an…
Deterministic positioning of circular Bragg gratings using atomic force lithography for high-performance quantum dot light sources
Sai Abhishikth Dhurjati, Moritz Langer, Yared G. Zena +6
Semiconductor quantum dots (QDs) grown by molecular beam epitaxy are excellent quantum emitters, but their random spatial distribution hinders deterministic coupling to optical mic…
Free-standing circular Bragg gratings enabling efficient GaAs quantum dot entangled photon pair sources
Sai Abhishikth Dhurjati, Moritz Langer, Yared G. Zena +6
Deterministic and bright quantum light sources based on scalable semiconductor technologies are a crucial building block for future quantum communication networks. While circular B…
Molecular ISAC via Markov State-Space Modeling: Joint Distance Sensing and Data Detection
Ruifeng Zheng, Pengjie Zhou, Martín Schottlender +4
This paper develops a molecular integrated sensing and communication (ISAC) framework that exploits the same molecular observations for physical-parameter sensing and data detectio…
Synthetic Biological Intelligence: System-Level Abstractions and Adaptive Bio-Digital Interaction
Martin Schottlender, Pengjie Zhou, Veronika Volkova +5
Concurrent advances across fields such as organoid technology, Microelectrode Arrays (MEAs), neuromorphic computing, and machine learning have given rise to a groundbreaking resear…
Compact system development of efficient quantum-entangled photon sources towards deployable and industrial devices
Yared G. Zena, Moritz Langer, Ahmad Rahimi +9
Entangled photon pair sources are a key enabling technology for quantum communication and networking, yet their deployment beyond laboratory environments is hindered by system-leve…
Two-Qubit Implementation of QAOA for MAX-CUT on an NV-Center Quantum Processor
Leon E. Röscher, Talía L. M. Lezama, Luca Cimino +3
We report a proof-of-principle implementation of the quantum approximate optimization algorithm (QAOA) for the smallest nontrivial MAX-CUT instance on an NV-center-based quantum pr…
Markov State--Space Modeling and Channel Characterization for DNA-Based Molecular Communication
Ruifeng Zheng, Zhihan Xu, Veronika Volkova +5
In this paper, we study DNA-based molecular communication with microarray-style reception under reversible hybridization, where the bound-state observation exhibits both inter-symb…
Modulation, ISI, and Detection for Langmuir Adsorption-Based Microfluidic Molecular Communication
Ruifeng Zheng, Pengjie Zhou, Pit Hofmann +4
This paper studies microfluidic molecular communication receivers with finite-capacity Langmuir adsorption driven by an effective surface concentration. In the reaction-limited reg…
Closed-form Solution of Wahba's Problem for Pairwise Similar Quaternions
Hristina Radak, Christian Scheunert, Frank H. P. Fitzek
Wahba's problem is fundamental to spacecraft attitude estimation, seeking the optimal rotation that minimizes the weighted misalignment between sets of vector observations. Traditi…
Communicating Properties of Quantum States over Classical Noisy Channels
Nikhitha Nunavath, Jiechen Chen, Osvaldo Simeone +2
Transmitting information about quantum states over classical noisy channels is an important problem with applications to science, computing, and sensing. This task, however, poses…
Temperature-dependent refractive index of AlGaAs for quantum-photonic devices near the bandgap
Moritz Langer, Sai Abhishikth Dhurjati, Martin Bauer +6
We present an experimental method to determine the refractive index of (x = 0.0 - 0.5) from 300 K to 4 K across the 500 - 1100 nm wavelength range. The values ar…
System Modeling of Microfluidic Molecular Communication: A Markov Approach
Ruifeng Zheng, Pengjie Zhou, Pit Hofmann +3
This paper presents a Markov-based system model for microfluidic molecular communication (MC) channels. By discretizing the advection-diffusion dynamics, the proposed model establi…
On solutions of singular Sylvester equations in quaternions
Hristina Radak, Christian Scheunert, Frank H. P. Fitzek
We study the singular Sylvester equations and over the quaternions. Working entirely within quaternion algebra, we give constructive derivations of the…
Quantum Enhanced Entropy Pool for Cryptographic Applications and Proofs
Buniechukwu Njoku, Sonai Biswas, Milad Ghadimi +4
This paper investigates the integration of quantum randomness into Verifiable Random Functions (VRFs) using the Ed25519 elliptic curve to strengthen cryptographic security. By repl…
Towards a Base-Station-on-Chip: RISC-V Hardware Acceleration for wireless communication
Javier Acevedo, Frank H. P. Fitzek
The evolution of 5G and the emergence of 6G wireless communication systems impose higher demands for computing capabilities and lower power consumption in the front-end and process…
Communicating Smartly in Molecular Communication Environments: Neural Networks in the Internet of Bio-Nano Things
Jorge Torres Gómez, Pit Hofmann, Lisa Y. Debus +10
Recent developments in the Internet of Bio-Nano-Things (IoBNT) are laying the foundation for innovative healthcare applications that envision a network of remotely coordinated nano…
Continuously Ordered Hierarchies of Algorithmic Information in Digital Twinning and Signal Processing
Yannik N. Böck, Holger Boche, Frank H. P. Fitzek
We consider a fractional-calculus example of a continuous hierarchy of algorithmic information in the context of its potential applications in digital twinning. Digital twinning re…
Exhaled Breath Analysis Through the Lens of Molecular Communication: A Survey
Sunasheer Bhattacharjee, Dadi Bi, Pit Hofmann +10
Molecular Communication (MC) has long been envisioned to enable an Internet of Bio-Nano Things (IoBNT) with medical applications, where nanomachines within the human body conduct m…
The Security of Quantum Computing in 6G: from Technical Perspectives to Ethical Implications
Luca Barbieri, Abdelkrim Menina, Riccardo Bassoli +1
Quantum technologies hold promise as essential components for the upcoming deployment of the future 6G network. In this future network, the security and trustworthiness requirement…