Parallel-stage-based reconfigurable optical add-drop multiplexer for WDM optical transport networks

This letter proposes a simple and flexible reconfigurable optical add-drop multiplexer (ROADM) based on parallel-stage configuration using Mach-Zehnder-based fiber gratings, 1times2 optical switches, and Y-model combiners. The proposed ROADM with four-stage parallel configuration is designed and exp...

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Veröffentlicht in:	IEEE photonics technology letters 2006-09, Vol.18 (17), p.1864-1866
Hauptverfasser:	Qirui Huang, Qirui Huang, Fengguang Luo, Fengguang Luo, Zhuo Wang, Zhuo Wang, Ming Xia, Ming Xia, Jia Hu, Jia Hu, Jing Yuan, Jing Yuan, Guang Shen, Guang Shen
Format:	Artikel
Sprache:	eng
Schlagworte:	Bragg gratings Channels Diffraction gratings Fiber Bragg grating (FBG) Fiber gratings Insertion loss Multiplexing Optical attenuators Optical communication Optical crosstalk Optical fiber networks Optical fibers Optical losses Optical switches optical switches (OSWs) Optical switching Switching theory Upgrading Wavelength division multiplexing WDM networks
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Beschreibung
Zusammenfassung:	This letter proposes a simple and flexible reconfigurable optical add-drop multiplexer (ROADM) based on parallel-stage configuration using Mach-Zehnder-based fiber gratings, 1times2 optical switches, and Y-model combiners. The proposed ROADM with four-stage parallel configuration is designed and experimentally investigated to show its performance in full wavelength selection and advantages in reducing the discrepancy of the insertion loss between channels and upgrading
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2006.881229