'A'

Title: FBG-based bidirectional optical cross connects for bidirectional WDM ring networks

Author(s): Yuan H, Zhong WD, Hu WS

Source: JOURNAL OF LIGHTWAVE TECHNOLOGY 22 (12): 2710-2721 DEC 2004

Authros' addresses:

Nanyang Technol Univ, Sch Elect & Elect Engn, Network Technol Res Ctr, Singapore, 637533 Singapore

Shanghai Jiao Tong Univ, Sch Elect & Elect Engn, Shanghai, 200030 Peoples R China



'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