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物理学报. 2010, 59(2): 1095-1100.
doi: 10.7498/aps.59.1095.
双零色散光子晶体光纤结构参数的变化对其性能的影响
- 收稿日期: 2009-04-06
- 修回日期: 2009-05-12
- 刊出日期: 2010-01-05
English Abstract
Effect of structure parameters changes on the properties of photonic crystal fiber with two zero-dispersion wavelengths
- Received Date:
06 April 2009
- Accepted Date:
12 May 2009
- Published Online:
05 January 2010
Abstract: When the hexagonal structure parameters are changed, the dispersion coefficient and nonlinear coefficient with two zero-dispersion of photonic crystal fiber as a function of wavelength is investigated from the near infrared wavelength to the range of communication band by multipole method. We compare photonic crystal fiber of hexagonal structure with that of octagonal structure, both of which have the same structural parameters. The two zero-dispersion wavelengths of photonic crystal fiber with hexagonal structure are much flatter and the nonlinear coefficient of photonic crystal fiber with hexagonal structure is significantly increased, so the photonic crystal fiber with hexagonal structure is more accessible to flattened high nonlinearity and two zero-dispersion wavelengths. It is shown from numerical results that it is possible to design photonic crystal fiber of hexagonal structure with two zero-dispersion and high nonlinear coefficient around 800 nm.
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