Hexagonal-Circular Photonic Crystal Fiber with Low Chromatic Dispersion, Low Confinement Loss, and Low Nonlinearity
Subject Areas : electrical and computer engineering
s.
olyaee
1
M.
seifouri
2
A.
nikoosohbat
3
Keywords: Photonic crystal fiber effective mode area confinement loss nonlinearity,
Abstract :
Photonic crystal fibers (PCFs) as waveguides with low dispersion, low confinement loss, and low nonlinearity can be used in optical telecommunication systems. In this paper, a hexagonal-circular photonic crystal fiber is proposed. In the first design, we present a hexagonal PCF with 70 ps/nm.km dispersion at 1550 nm wavelength. The confinement loss and nonlinearity of this structure are respectively obtained as 0.6×10-12dB/cm and 8.988 W-1km-1. In the second design, by improving th e primary structure as hexagonal-circular PCF, the nearly zero dispersion is obtained. The simulation results show that the confinement loss and nonlinearity of the improved structure are 8×10-11 dB/cm and 7.956 W-1km-1, respectively.
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