D Spence-W Sibbett 1991 self-mode-locking-Ti:sapphire; modern modern foundational + 5-fs-Krausz 1997 + 2024 sub-cycle 4-cycle isolated-attopulse.
D Spence-W Sibbett 1991 self-mode-locking-Ti:sapphire; modern modern foundational + 5-fs-Krausz 1997 + 2024 sub-cycle 4-cycle isolated-attopulse.