3D Photonics Paper 4: Technical Reference Model for Hybrid 3D Photonic Implementation (v2.1)

This record contains 3D Photonics Paper 4 v2.1: Technical Reference Model for Hybrid 3D Photonic Implementation, together with its Supplementary Information and release-control materials. Paper 4 defines a technical reference model for evaluating hybrid 3D photonic implementation claims within the author's 3D Photonics public series. Its purpose is to fix the structural object, control variables, observable points, failure modes, baseline relations, audit relation, progression relation, and claim boundary required before later engineering, simulation, fabrication-feasibility, prototype-planning, or measurement claims can be evaluated without post-hoc reinterpretation. This paper is not a fabrication report, not a measured device-performance report, not a foundry-ready design file, and not a commercial-readiness claim. It does not claim completed physical implementation, measured performance, benchmark superiority, fabrication success, foundry qualification, industrial deployment, or external validation. Version v2.1 is a governance-hardening release. It preserves the technical reference-model claim boundary while strengthening the audit structure around provisional status, non-self-certification, external-check independence, identity preservation, local clarification, secondary-baseline conflict, reclassification notice discipline, author-controlled channel duty, and forced halt triggers. The Supplementary Information provides an operational clarification layer. It includes a worked example, application of the twelve implementation-readiness conditions, role separation matrix, baseline examples, falsification and reclassification decision note, engineering handoff boundary, physical constraint self-falsification protocol, citation and reuse guidance, and dual-use / ethics / scope limitation. The ethical axis of this record is: Peace / Non-violence / Dignity The dual-use boundary is: NO military / NO surveillance / NO coercion Recommended citation: Suga, H. (2026). 3D Photonics Paper 4: Technical Reference Model for Hybrid 3D Photonic Implementation (v2.1). Zenodo. DOI: https://doi.org/10.5281/zenodo.20045483 Related public records: Suga, H. (2026). 3D Photonics Paper 1 v0.1.1: Hybrid 3D Photonic Architecture for Reconfigurable Optical Interconnects in Glass. Zenodo. https://doi.org/10.5281/zenodo.19249129 Suga, H. (2026). 3D Photonics Paper 2 v0.2 - Release Package. Zenodo. https://doi.org/10.5281/zenodo.19448395 Suga, H. (2026). Light Convergence Theory v2.1: Judgement Layer for Convergence Claims in the 3D Photonics Public Series. Zenodo. https://doi.org/10.5281/zenodo.19866501