Extended Optical Fiber Line Testing System with L/U-Band Optical Coupler Employing 4-Port Circulators and Chirped Fiber Bragg Grating Filters for L-Band WDM Transmission Nazuki HONDANoriyuki ARAKIHisashi IZUMITAMinoru NAKAMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2003/05/01 Vol. E86-BNo. 5 ;
pp. 1562-1566 Type of Manuscript: Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications) Category: Keyword: optical fiber line testing system, L-band, OTDR, optical coupler, circulator,