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Журнал с 19.02.2010 входит в новый «Перечень ведущих рецензируемых научных журналов и изданий, в которых должны быть опубликованы основные научные результаты диссертации на соискание ученой степени доктора и кандидата наук»
Оценка характеристик оптических мультиплексоров на базе интерферометра маха-цендера для волоконных систем с плотным спектральным уплотнителем

Performance Evaluation of Optical Add Drop Multiplexers with Mach-Zehnder interferometer Techniques for Dense Wavelength Division Multiplexed System

 

© 2013 г.    Sanjeev Dewra*; R. S. Kaler**, Dr.

*   Shaheed Bhagat Singh State Technical Campus-Ferozepur, Punjab, India

Е-mail: neerajsanjeevdewra@rediffmail.com

** Thapar University-Patiala, India

E-mail: rskaler@yahoo.com

We evaluate the three Mach-Zehnder interferometer (MZI) techniques of optical add drop multiplexer for DWDM system and investigate the impact of crosstalk obtained at 8 x 10 Gbps with 0.1 nm channel spacing. The Dense wavelength division multiplexing (DWDM) transmission with optical add drop multiplexer (OADM) placed at the 35 km point of a 70 km link has been demonstrated. It is also observed that Mach-Zehnder interferometer-Fiber Bragg Grating (MZI-FBG) based OADM and MZI based OADM provide better results with maximum covered distance (150 km) at channel spacing of 0.1 nm and bit rate of 10 Gbps without using Dispersion Compensating Fiber (DCF) and amplifier and the worst case is found with the Mach-Zehnder interferometer-Semiconductor optical amplifier (MZI-SOA) based OADM. It is also found that the MZI Based OADM is cost effective as compared to MZI-SOA and MZI-FBG Based OADM.

Keywords: Optical Add Drop Multiplexer, Bit error rate (BER), Quality (Q) factor, DWDM system, Channel spacing and Bit rate.

Submitted 17.01.2013.

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