Wang Wei et al 2009 Chinese Phys. Lett. 26 114205 doi:10.1088/0256-307X/26/11/114205
Design of Double Cladding Nearly Zero Dispersion Flattened Nonlinear Photonic Crystal Fiber
Wang Wei1, Hou Lan-Tian1,2, Lu Ming1 and Zhou Gui-Yao1,2
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We present a design of double cladding nearly zero dispersion flattened nonlinear photonic crystal fiber (PCF) with the core consisting of seven missing holes. The dispersion of the designed PCF fluctuates from -0.28 to 0.29 ps
km−1nm−1 in the range of 1.35-1.795μm and the dispersion slope is −0.0038 pskm−1nm−2 at 1.55 μm. Due to its small air-hole to air-hole pitch in the inner cladding, the effective mode area is 6.48μm2 and the effective nonlinearity γ is as high as 13.78 W−1 km−1 at 1.55 μm. Two layers of air-hole rings in the outer cladding ensures the loss of the fundamental mode to be 2.9dB/km at 1.55 μm and two more air-hole rings can further reduce the fundamental mode's loss to the level of 4.2 × 10−3 dB/km.
- PACS
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42.70.Qs Photonic bandgap materials
- Subjects
- Dates
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Issue 11 (November 2009)
Received 25 May 2009
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Design of Double Cladding Nearly Zero Dispersion Flattened Nonlinear Photonic Crystal Fiber
Wang Wei et al 2009 Chinese Phys. Lett. 26 114205
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