Complete optical field reconstruction of optical frequency combs generated by gain-switching using the Gerchberg-Saxton algorithm - Rosado A; Esquivias I; Wei M; Kaszubowska-Anandarajah A; Anandarajah PM (2025 Conference On Lasers And Electro Optics Europe And European Quantum Electronics Conference Cleo Europe Eqec 2025, 2025)