Supplementary Materials: Single-Photon Source Research Through a Deep Learning Lens — A Pilot Bibliometric and Patent Analysis Using BERTopic

This deposit contains the supplementary materials for the manuscript "Single-Photon Source Research Through a Deep Learning Lens: A Pilot Bibliometric and Patent Analysis Using BERTopic" submitted to Metrics (MDPI, 2026). Contents include: R analysis scripts reproducing all R-generated figures and tables; Python BERTopic pipeline reproducing topic modelling results; SPS-related patent records retrieved from Lens.org; enriched metadata subset used for topic modelling and platform classification; and the PRISMA 2020 reporting checklist. Publication metadata (Scopus/OpenAlex) is not included due to licensing restrictions and is available from the corresponding author upon reasonable request.