| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Design of Nearly Zero Dispersion Flattened Photonic Crystal Fiber with Double Cladding |
| WANG Wei1, HOU Lan-Tian1,2, SONG Jun-Jie3, ZHOU Gui-Yao1,2 |
| 1Institute of Infrared Optical Fibres and Sensors, Yanshan University, Qinhuangdao 0660042Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 0660043Institute of Electrical Engineering, Yanshan University, Qinhuangdao 066004 |
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WANG Wei, HOU Lan-Tian, SONG Jun-Jie et al 2009 Chin. Phys. Lett. 26 054204 |
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Abstract A novel design of nearly zero dispersion flattened photonic crystal fiber (PCF) with double cladding is proposed. To employ traditional stack and draw technology, the cladding is composed of a traditional triangular lattice of air-holes and silica. The dispersion of the fiber is mainly engineered by the small air holes in the inner cladding, which are easily preserved in the fiber drawing procedure. The large air-holes in the outer cladding are mainly for light confinement. Thus, the dispersion property of the PCF is insensitive to the deformation of the air holes in the outer cladding. Using 8 layers of air-hole ring, the loss of the fundamental mode for the PCF is as low as 0.13dB/km at 1.55μm. The dispersion of the PCF fluctuates from -0.023 to 0.021ps・km-1nm-1 in the range 1.45-1.625μm.
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42.81.-i
42.81.Qb
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Received: 11 February 2009
Published: 23 April 2009
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