Fault location on optical amplifier submarine transmission systems

被引：1

作者：

Sumida, M ^{[1
]}

Amemiya, M ^{[1
]}

Furukawa, S ^{[1
]}

Tanaka, K ^{[1
]}

机构：

[1] NTT, ACCESS NETWORK SYST LABS, TOKAI, IBARAKI 31911, JAPAN

来源：

ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS | 1996年 / 79卷 / 09期

关键词：

fault location; OTDR; submarine transmission; optical amplifier; EDFA;

D O I：

10.1002/ecja.4410790901

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper addresses some solutions to overcome the problems that arise when optical time domain reflectometry (OTDR) is applied to optical amplifier submarine transmission systems. It designs a backscatter path that feeds the backscattering into the opposite line without causing any degradation in the main signal transmission. This paper proposes a new modulation format, FSK-ASK, and confirms that the proposed approach can both eliminate optical surge generation and improve OTDR performance. An FSK-ASK OTDR is applied to an 890-km commercial amplifier submarine transmission system with a 90-km span. Field trials successfully demonstrate that the OTDR can locate a fault in all spans with a spatial resolution of 1 km after averaging the sum of 2(20) measurements. The FSK-ASK OTDR proves to be very useful in maintaining a reliable submarine transmission system because it can locate subtle fiber anomalies along the entire length from a terminal end.

引用

页码：1 / 10

页数：10

共 14 条

[1]

AIKI M, 1992, GLOBECOM 92 : COMMUNICATION FOR GLOBAL USES, CONFERENCE RECORDS, VOLS 1-3, P1431, DOI 10.1109/GLOCOM.1992.276626

[2] MARGIN MEASUREMENTS IN OPTICAL AMPLIFIER SYSTEMS [J].

BERGANO, NS ;

KERFOOT, FW ;

DAVIDSON, CR .

IEEE PHOTONICS TECHNOLOGY LETTERS, 1993, 5 (03) :304-306

[3]

Desurvire E., 1989, IEEE Photonics Technology Letters, V1, P196, DOI 10.1109/68.36040

[4]

FURUKAWA S, 1994, IMTC 94 HAM, P106

[5]

Hayashi Y., 1985, Transactions of the Institute of Electronics and Communication Engineers of Japan, Part B, VJ68B, P858

[6] REVIEW OF LONG WAVELENGTH SINGLE-MODE OPTICAL FIBER REFLECTOMETRY TECHNIQUES [J].

HEALEY, P .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 1985, 3 (04) :876-886

[7]

Healey P., 1985, ELECTRON LETT, V21, P226

[8]

HORIUCHI Y, 1993, ECOC 93 MONTR, P5

[9]

Izumita H., 1993, Transactions of the Institute of Electronics, Information and Communication Engineers B-I, VJ76B-I, P439

[10]

KERFOOT FW, 1993, SUB 93 VERS, P181

← 1 2 →