@conference{123121,
  author = {Scott Diddams and T Udem and K Vogel and Christopher Oates and E Curtis and R Windeler and A Bartels and James Bergquist and Leo Hollberg},
  title = {A Compact Femtosecond-Laser-Based Optical Clockwork},
  year = {2001},
  number = {4269},
  month = {2001-01-01},
  publisher = {Laser Frequency Stabilization, Standards, Measurement, and Applications  , San Jose, CA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=105187},
  language = {en},
}