Laser Amplifier Detector for Broadband Network Control

K. Koai, R. Olshansky, P. Hill
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Abstract

In subcarrier multiplexed (SCM) or other broadband networks, a simple and low-cost network surveillance and control channel is desirable. It has been demonstrated that inline laser amplifiers (LA) can significantly improve the power budget of broadband networks including the point-to-multipoint SCM distribution system [1]. It is also well understood that LA's can be used to amplify and detect signals at the same time [2]. A number of applications have been reported, including laser characterization, frequency control, amplifier gain control, etc. [3-5]. In this paper we report for the first time the feasibility study of using a travelling-wave laser amplifier (TWLA) as an inline optical amplifier for multiple broadband FSK channels and simultaneously as a control channel detector/amplifier in an SCM system. Bit-error-rate and carrier-to-noise performances for both the control channel and the FSK channels are presented.
用于宽带网络控制的激光放大器检测器
在子载波复用(SCM)或其他宽带网络中,需要一种简单、低成本的网络监控信道。已经证明,直列激光放大器(LA)可以显著改善宽带网络的功率预算,包括点对多点SCM分配系统[1]。众所周知,LA可以同时用于放大和检测信号[2]。许多应用已被报道,包括激光表征,频率控制,放大器增益控制等[3-5]。本文首次报道了在单片机系统中使用行波激光放大器(TWLA)作为多个宽带FSK通道的内联光放大器和同时作为控制通道检测器/放大器的可行性研究。给出了控制信道和FSK信道的误码率和载波噪声性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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