TY - JOUR AU - John Hall AU - Jun Ye C2 - Optics and Photonics News DA - 2008-10-16 14:10:14 LA - en PB - Optics and Photonics News PY - 2008 TI - Merging the Ultrasensitive the Ultrastable, and the Ultrafast: A New Epoch of Frequency Standards and Optical Frequency Measurement ER -