发明名称 |
Rare earth element-doped optical fiber amplifier |
摘要 |
An Er-doped multiple-core optical fiber amplifier has an Er-doped multiple-core optical fiber. A signal light of 1.5 mu m wavelength band is input through an optical isolator at front stage, and excitation lights of 0.98 mu m or 1.48 mu m wavelength emitted from excitation light sources are injected through a WDM coupler at front stage and a WDM coupler at rear stage, respectively. An amplified signal light is output through optical isolator at rear stage. A length LM of the Er-doped multiple-core optical fiber is set to obtain a substantially maximum saturated output power of the amplified signal light.
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申请公布号 |
US5706124(A) |
申请公布日期 |
1998.01.06 |
申请号 |
US19960629593 |
申请日期 |
1996.04.09 |
申请人 |
HITACHI CABLE, LTD.;SHINETSU CHEMICAL CO |
发明人 |
IMOTO, KATSUYUKI;KOYA, KAZUO;ABE, JUN |
分类号 |
G02F1/35;H01S3/06;H01S3/067;H01S3/07;H01S3/094;H01S3/10;H01S3/16;H01S3/17;H04B10/17;(IPC1-7):H01S3/30;G02B6/26 |
主分类号 |
G02F1/35 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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