Optical access network management using reflection optical memory

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  • 反射型光メモリを用いた光アクセス網設備の監視方法
  • ハンシャガタ ヒカリ メモリ オ モチイタ ヒカリ アクセスモウ セツビ ノ

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Abstract

In this paper we propose two simple and effective identification methods for the optical network management from using novel optical reflection memories.<br>One method is used Fresnel Reflection Optical Memory (FROM) set up at the connection point or subscriber terminal and Fresnel reflection measument system based on Optical Low Coherence Reflectometory (OLCR) set up at the telephone office for the single star optical network. The Fresnel reflections from slits in the FROM measured by the reflectometer give some information to operators at the telephone office.<br>Another method is used Bragg Reflection Optical Memory (BROM) installed at each subscriber terminal for the passive branched optical network. In our poposed system, a different Bragg wavelength is assigned to each branched line subscriber and the level of Bragg reflection from the termination.

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