Spectral noise due to measurement errors of Mach-Zehnder interferometer optical path phases in a complex Fourier-transform integrated-optic spatial heterodyne spectrometer

被引：2
|
作者：
Takada, Kazumasa [1 ]
Seino, Mitsuyoshi [1 ]
Chiba, Akito [1 ]
Okamoto, Katsunari [2 ]
机构：
[1] Gunma Univ, Fac Engn, Dept Elect Engn, Kiryu, Gunma 3768515, Japan
[2] AiDi Corp, Tsukuba, Ibaraki 3050032, Japan
来源：
OPTICS COMMUNICATIONS | 2013年 / 296卷
关键词：
Mach-Zehnder interferometer; Optical waveguides; Planar lightwave circuits; Fourier transform spectrometer;
D O I：
10.1016/j.optcom.2013.01.034
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We calculate the root-mean-square (rms) value of the spectral noise caused by optical path phase measurement errors in a spatial heterodyne spectrometer (SHS) featuring a complex Fourier transformation. We show that the rms value is proportional to the rms error of the phase measurement and the proportionality coefficient is given analytically. The relationship enables us to estimate the possible performance of the SHS such as the sidelobe suppression ratio for a given measurement error. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：61 / 64
页数：4
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