Tailoring the transmission spectrum of the long period gratings by variation in the length of the grating

被引：0
|
作者：
Sinah, Rashmi [1 ]
Sharma, Enakshi K. [1 ]
机构：
[1] Univ Delhi, Dept Elect Sci, S Campus,Benito Juarez Rd, New Delhi 110021, India
来源：
PHYSICS AND SIMULATION OF OPTOELECTRONIC DEVICES XV | 2007年 / 6468卷
关键词：
long period grating; coupling length; transmission spectrum; maxima and minima;
D O I：
10.1117/12.700789
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：
In this paper we have presented a mathematical treatment for tailoring the Transmission Spectrum of the Long Period Gratings by variation in the length of the grating. Our results show that the transmission spectra show a rather varied behavior depending on the length of the grating. We have formulated generalized expressions for finding positions of maxima and minima as well as power retained by the core mode at these positions in the transmission spectrum of the grating. This facilitates the designing of gratings to be used as in line loss elements in applications like gain flattening, gain equalization etc.
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页数：8
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