MerLin: A Discovery Engine for Photonic and Hybrid Quantum Machine Learning. - Cassandre Notton; Benjamin Stott; Philippe Schoeb; Anthony Walsh; Grégoire Leboucher; Vincent Espitalier; Vassilis Apostolou; Louis-Félix Vigneux; Alexia Salavrakos; Jean Senellart (CoRR, 2026)