Design and Modal Analysis of Photonic Crystal Fiber for Dispersion Compensation over Broadband Range

Waghmare, Madhavi; Reddy, K. T. V.

doi:10.1590/2179-10742016v15i4720

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Journal of Microwaves, Optoelectronics and Electromagnetic Applications

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Article • J. Microw. Optoelectron. Electromagn. Appl. 15 (04) • Oct-Dec 2016 • https://doi.org/10.1590/2179-10742016v15i4720 copy

Design and Modal Analysis of Photonic Crystal Fiber for Dispersion Compensation over Broadband Range

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

In this paper we have presented the four new investigations using different structures of Photonic Crystal Fiber (PCF) for broadband communication applications and narrows down on the design which can provide largest flat negative dispersion. The new structure model is optimized based on the combination of modal properties and dispersion compensation. The results were recorded over a transmission frequency range from 190.95 THz to 245.73 THz i.e. 1.22 µm to 1.57 µm with a dispersion −704.62 ps/nm/km. The results obtained from the new different PCF structures are compared with reported results for different 2D PCF models so far.

Index Terms
Dispersion Compensation; Photonic Crystal Fiber; Refractive Index; Confinement loss

Structure	Outer region	Inner region
Circular in Hexagonal (C-H)	Hexagon: No. of air-hole rings N = 5 a = 1.8 µm, r = 0.7 µm	Circle: No. of air-hole rings N1 = 5 d1 = 0.21 µm, r1 = 0.1 µm
Hexagonal in Hexagonal (H-H)	Hexagon: No. of air-hole rings N = 5 a = 1.8 µm, r = 0.7 µm	Hexagon: No. of air-hole rings N1 = 5 a1 = 0.132 µm, r1 = 0.061 µm
Hexagonal in Circular (H-C)	Circle: No. of air-hole rings N= 5 d = 1.32 µm, r = 0.56 µm	Hexagon: No. of air-hole rings N1 = 5 a1 = 0.132 µm, r1 = 0.061 µm
Circular in Circular (C-C)	Circle: No. of air-hole rings N = 5 d = 1.32 µm, r = 0.56 µm	Circle: No. of air-hole rings N1=5 d1 = 0.21 µm, r1 = 0.1 µm

Reference	Spectrum range(μm)	Dispersion (ps/nm/km)	Effective Mode Area (μm²)	Nonlinear coefficient (W^-1 km ⁻¹)
[⁴[4] S. K. Varshney, N. J. Florous, K. Saitoh, M. Koshiba, and T. Fujisawa, “Numerical investigation and optimization of a photonic crystal fiber for simultaneous dispersion compensation over S+C+L wavelength bands,” Opt. Commun., vol. 274, pp. 74–79, 2007]	1.48 to 1.63	-98.3	–	–
[⁵[5] M. A. R. Franco, V. A. Serrão, and F. Sircilli, "Microstructured optical fiber for residual dispersion compensation over S+C+L+U wavelength bands", IEEE Photon. Technol. Lett., vol. 20, no. 9, pp. 751–753, May 2008]	1.48 to 1.675	-179	6	–
[⁶[6] José Patrocínio da Silva, Diego S. Bezerra, Vitaly F. Rodriguez-Esquerre, Iguatemi Eduardo da Fonseca, and Hugo E. Hernández-Figueroa, Senior Member, IEEE “Ge-Doped Defect-Core Microstructure d Fiber Design by Genetic Algorithm for Residual Dispersion Compensation” IEEE Photon. Technol. Lett., vol. 22, no. 18, Sept 15, 2010 1337]	1.35 to 1.7	-212	5	–
[⁷[7] Md. Asiful Islam and M. Shah Alam, Senior Member, IEEE, “Design of a Polarization-Maintaining Equiangular Spiral Photonic Crystal Fiber for Residual Dispersion Compensation Over E+S+C+L+U Wavelength Bands” IEEE Photon. Technol. Lett., VOL. 24, NO. 11, JUNE 1, 2012]	1.35 to 1.675	-227	5	–
[⁸[8] D. C. Tee, M. H. Abu Bakar, N. Tamchek, and F. R. Mahamd Adikan “Photonic Crystal Fiber in Photonic Crystal Fiber for Residual Dispersion Compensation Over E + S+ C+ L+ U Wavelength Bands” IEEE Photon. Technol. Lett., VOL. 5, NO.3, JUNE 1, 2013.]	1.36 to 1.69	-457.4	9	11.26

Structure	Dispersion (ps/nm/km) (for 1.157 μm to 1.833 μm)	Effective Mode Area μm²(at 1.55 μm)	NonLinear Coefficient W^-1km^-1 (at 1.55 μm)	Flattened dispersion band
C-H	-655.641 to −700.626	9.10	11.02	O+E+S+C (1.26 μm to 1.565 μm)
H-H	-222.050 to −547.430	6.77	17.60	E+S+C (1.36 μm to 1.675 μm)
H-C	-280.760 to −542.689	7.08	18.67	C+L+U (1.53 μm to 1.675 μm)
C-C	-341.530 to −633.126	5.10	25.08	C+L+U (1.53 μm to 1.675 μm)

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