Progress in Interferometry for LISA at JPL
  Recent advances at JPL in experimentation and design for LISA interferometry include the demonstration of Time Delay Interferometry using electronically separated end stations, a new arm-locking design with improved gain and stability, and progress in flight readiness of digital and analog electronics for phase measurements. 
Robert Spero, Brian Bachman, Glenn de Vine, Jeffrey Dickson, William   Klipstein, Tetsuo Ozawa, Kirk McKenzie, Daniel Shaddo...
physics.ins-det gr-qc