公开(公告)号：EP1153326A1

公开(公告)日：2001-11-14

申请号：EP99972311.7

申请日：1999-11-12

Applicant: California Institute of Technology

Inventor： VAHALA, Kerry ,  CAI, Ming ,  HUNZIKER, Guido

IPC: G02B6/26 ,  G02B6/293 ,  H04J14/02

CPC classification number: G02B6/29343 ,  G02B6/12007 ,  G02B6/29382 ,  G02B6/29383 ,  G02F1/0118 ,  G02F1/225 ,  H04J14/021

Abstract: A resonator (300), e.g., a silica microsphere or disk, is used between two fiber optic cables (500, 502) to form an add/drop filter. The resonator (300) is resonant with the frequency to be added or dropped. In this way, only that particular channel is added or dropped as needed.