
During four months on the CESGA-Quantum-Spain/cunqa repository, Daniel Expósito developed distributed quantum computation features and stabilized core infrastructure. He implemented foundational distributed Quantum Phase Estimation workflows, enhanced result handling, and improved QPU management APIs, using Python and C++ for backend and scripting tasks. Daniel refactored API endpoints, streamlined resource management, and resolved reliability issues in distributed execution by updating communication logic and removing flaky status checks. He also overhauled project documentation with Sphinx and ReadTheDocs, aligning build environments and clarifying module APIs. His work demonstrated depth in distributed systems, quantum computing, and robust documentation, resulting in more maintainable code.

August 2025 monthly summary for CESGA-Quantum-Spain/cunqa focused on stabilizing distributed run communication and removing flaky status checks that caused intermittent failures under certain compilation options. Implemented endpoint-based communication in distributed runs (switch from qpu._comm_endpoint to qpu._endpoint) and deprecated/removed a status-check condition tied to specific QPU families. These changes were implemented in commit 58a22fb750a8ffa0c2a851cfeca6530051b03f95 with message: "change run_distributed to use qpu._endpoint instead of qpu._comm_endpoint. Commented troublesome status check".
August 2025 monthly summary for CESGA-Quantum-Spain/cunqa focused on stabilizing distributed run communication and removing flaky status checks that caused intermittent failures under certain compilation options. Implemented endpoint-based communication in distributed runs (switch from qpu._comm_endpoint to qpu._endpoint) and deprecated/removed a status-check condition tied to specific QPU families. These changes were implemented in commit 58a22fb750a8ffa0c2a851cfeca6530051b03f95 with message: "change run_distributed to use qpu._endpoint instead of qpu._comm_endpoint. Commented troublesome status check".
2025-05 monthly summary for CESGA-Quantum-Spain/cunqa: Delivered foundational distributed QPE capabilities with enhanced precision and robust result handling, enabling scalable distributed quantum computations. Built and demonstrated distributed quantum computation examples (telegate and Bell-pair workflows) with IBM telegates, Cut Bell Pair Factories, and advanced parameter strategies to support complex circuits and probabilistic parameter selection. Resolved a critical QPU client reliability issue to ensure the connection state is correctly maintained after successful connections, improving downstream stability. Progress includes improved testability, experiment reproducibility, and a clear path toward production-grade distributed QPE workflows.
2025-05 monthly summary for CESGA-Quantum-Spain/cunqa: Delivered foundational distributed QPE capabilities with enhanced precision and robust result handling, enabling scalable distributed quantum computations. Built and demonstrated distributed quantum computation examples (telegate and Bell-pair workflows) with IBM telegates, Cut Bell Pair Factories, and advanced parameter strategies to support complex circuits and probabilistic parameter selection. Resolved a critical QPU client reliability issue to ensure the connection state is correctly maintained after successful connections, improving downstream stability. Progress includes improved testability, experiment reproducibility, and a clear path toward production-grade distributed QPE workflows.
April 2025 monthly summary for CESGA-Quantum-Spain/cunqa focused on QPU lifecycle robustness, API simplification, and simulation result format compatibility. Delivered clearer API semantics, reduced maintenance surface, and improved compatibility with cunqsimulator data, enabling smoother operations and reporting.
April 2025 monthly summary for CESGA-Quantum-Spain/cunqa focused on QPU lifecycle robustness, API simplification, and simulation result format compatibility. Delivered clearer API semantics, reduced maintenance surface, and improved compatibility with cunqsimulator data, enabling smoother operations and reporting.
March 2025 monthly summary for CESGA-Quantum-Spain/cunqa: Focused on stabilizing and enriching the project's documentation to drive reliability, onboarding, and developer productivity. Delivered a stabilized documentation system with correct RTD build paths and Python version alignment, refined Sphinx configuration and extensions, removed deprecated content, and expanded API/module documentation (notably cunqa.logger ColoredFormatter).
March 2025 monthly summary for CESGA-Quantum-Spain/cunqa: Focused on stabilizing and enriching the project's documentation to drive reliability, onboarding, and developer productivity. Delivered a stabilized documentation system with correct RTD build paths and Python version alignment, refined Sphinx configuration and extensions, removed deprecated content, and expanded API/module documentation (notably cunqa.logger ColoredFormatter).
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