发明名称 |
Optical communication system comprising a fiber amplifier. |
摘要 |
<p>Disclosed is an optical communication system comprising at least two optical fibers 10, 40 of dissimilar core sizes, joined by a fusion splice 60. In one embodiment, the larger-core fiber is a communication fiber, and the smaller-core fiber is an erbium-doped amplifier fiber. A taper region is included adjacent the splice. The diameter of the smaller-core fiber increases within the taper region as the splice is approached along the smaller-core fiber. The taper region is substantially free of constrictions. As a consequence of the taper region, the optical losses associated with the splice are relatively low, even when there is relatively high mismatch between the mode field diameters (at a signal wavelength) in the respective fibers.</p> |
申请公布号 |
EP0469792(A2) |
申请公布日期 |
1992.02.05 |
申请号 |
EP19910306813 |
申请日期 |
1991.07.25 |
申请人 |
AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
发明人 |
COHEN, LEONARD GEORGE;KRAUSE, JOHN THORVALD;REED, WILLIAM ALFRED;WALKER, KENNETH LEE |
分类号 |
H01S3/07;G02B6/255;H01S3/06;H01S3/067 |
主分类号 |
H01S3/07 |
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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