A new class of fibre grating based band-pass filters: The asymmetric interferometer

被引：17
作者：
Kashyap, R [1 ]
机构：
[1] BT Labs, Ipswich IP5 3RE, Suffolk, England
来源：
OPTICS COMMUNICATIONS | 1998年 / 153卷 / 1-3期
关键词：
D O I：
10.1016/S0030-4018(98)00211-9
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents the characteristics of band-pass filters based on the Michelson interferometer, as a function of both path-length detuning and Bragg wavelength mismatch. A new method is proposed for creating multi-band-pass filters. It is shown that useful WDM band-pass filters may easily be fabricated with control of bandwidth and extinction, using chirped or unchirped gratings. An example of such a WDM band-pass filter is demonstrated. The special phase-relationship between the band-pass frequencies allows novel functions to be implemented. (C) 1998 Elsevier Science B.V. All rights reserved.
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收藏
页码：14 / 18
页数：5
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