| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Design of a High-Nonlinearity Single-Mode Holey Fiber with Flattened Dispersion around 800nm |
| WANG Wei, HOU Lan-Tian1,2, LIU Zhao-Lun1, 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 066004 |
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| Cite this article: |
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WANG Wei, HOU Lan-Tian, LIU Zhao-Lun et al 2009 Chin. Phys. Lett. 26 114202 |
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Abstract We numerically demonstrate a high-nonlinearity single-mode holey fiber with flattened dispersion around the Ti-Za laser band at 800nm. The dispersion profile of the fiber has the shape of a quadratic curve, which reaches its maximum 5.96ps・km-1・nm-1 at 800nm and its minimum -0.897ps・km-1・nm-1 at both 750 and 850nm. The nonlinear coefficient is 170W-1km-1 at 800nm and no higher order modes exit. A six-layer air-hole cladding ensures a loss less than 0.067db/m in the 750 to 850nm range. Two more air-hole rings will reduce the loss to below 0.1db/km.
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| Keywords:
42.65.-k
42.81.-i
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Received: 05 January 2009
Published: 30 October 2009
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