Title :
Optical bidirectional add-drop amplifier module with asymmetric fold-back optical paths
Author :
Shin, J.W. ; Kim, S. ; Chung, Y.C.
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea
fDate :
8/1/2002 12:00:00 AM
Abstract :
A novel optical bidirectional add-drop amplifier (BADA) module, composed of an arrayed waveguide grating with asymmetric fold-back optical paths, is proposed. In the proposed asymmetric structure, the relative intensity noise is effectively suppressed without using additional components (such as optical bandpass filters) by structurally eliminating multiple reflection paths. This feature also eliminates lasing paths even when multiple BADA modules are used in concatenation
Keywords :
optical arrays; optical fibre amplifiers; optical fibre networks; wavelength division multiplexing; BADA; arrayed waveguide grating; asymmetric fold-back optical paths; concatenation; lasing paths; multiple reflection paths; optical bidirectional add-drop amplifier module; relative intensity noise;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020609
