TY - JOUR AU - s, A Diddams AU - Jones, D AU - Ye, Jun AU - Cundiff, Steven AU - Hall, John C2 - Physical Review Letters DA - 2000-01-01 00:01:00 LA - en M1 - 84 PB - Physical Review Letters PY - 2000 TI - Direct link between microwave and optical frequencies with a 300 THz femtosecond laser comb ER -