'A'
Title: Fiber-grating add-drop reconfigurable multiplexer with multichannel using in bi-directional optical network
Author(s): Tsai CM (Tsai, Chen-Mu), Lo YL (Lo, Yu-Lung)
Source: OPTICAL FIBER TECHNOLOGY 13 (3): 260-266 JUL 2007
Authors' addresses:
Natl Cheng Kung Univ, Dept Mech Engn, Tainan 701, Taiwan
Kun Shan Univ, Dept Comp & Commun, Yung Kang 710, Taiwan

'B'
Title: Bidirectional wavelength add/drop multiplexer using two separate MUX and DEMUX pairs and reflection-type comb filters
Author(s): Kim J, Park J, Chung S, Park N, Lee B, Jeong K
Source: OPTICS COMMUNICATIONS 205 (4-6): 321-327 MAY 1 2002