TY - JOUR AU - L.-S. Ma AU - P. Jungner AU - Jun Ye AU - John Hall BT - Optics Letters DA - 1994-11 DO - 10.1364/OL.19.001777 PY - 1994 EP - 1777 T2 - Optics Letters TI - Delivering the same optical frequency at two places: accurate cancellation of phase noise introduced by an optical fiber or other time-varying path VL - 19 SN - 0146-9592 ER -