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A. NAZMI MOHAMMED1,2,3, M. NERMEEN OKASHA4, H. MOUSTAFA ALY4,*
- Faculty of Engineering, New Cairo Academy for Science and Arts, New Cairo, Egypt
- Photonic Research Center, October 6 University, 6th of October city, Egypt
- Faculty of Engineering, The Egyptian Chinese University, Cairo, Egypt
- College of Engineering &Technology, Arab Academy for Science, Technology, and Maritime Transport, Alexandria, Egypt
This work introduces a new design of wideband dispersion-compensation (WBDC) apodized chirped fiber Bragg grating (ACFBG) unit that covers the entire C band. Its length is chosen to be with the maximum apodized fabricated length of 30 cm that grants a dispersion of -66.7 ps/nm/km. This design is compared with multi-narrow band ACFBG in a long haul wavelength division multiplexing system of 3000 km at different bit rates. The obtained results reveal that the multi-narrow band system is better than WBDC system at low bit rate (i.e. 10 Gbps) achieving a quality factor 30% of its maximum value at mid distance. However, WBDC transmits signals with higher bit rates as 20 Gbps for 1800 km and 40 Gbps for 1000 km, while multi-narrow band system cannot transmit signals with higher bit rates at all. Moreover, generally multi-narrow band units have a multiple FBG spaced from each other, which requires high temperature stability. In the other hand, WBDC CFBG does not need a temperature controller (i.e. no internal gaps between channels)..
Single Mode Fiber, Dispersion Compensation, Fiber Bragg Grating, Apodized FBG, Apodizaion..
Submitted at: Dec. 16, 2015
Accepted at: June 9, 2016
A. NAZMI MOHAMMED, M. NERMEEN OKASHA, H. MOUSTAFA ALY, A wideband apodized FBG dispersion compensator in long haul WDM systems, Journal of Optoelectronics and Advanced Materials Vol. 18, Iss. 5-6, pp. 475-479 (2016)
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