A new design of a photonic crystal fiber with a beam shaping effect and flexible management of dispersion and confinement loss

• Autorzy: Huang Y. , Jiang P , Yang H. , Yu M.

Identyfikatory

DOI

10.5277/oa140303

• Języki publikacji: EN

Abstrakty

EN

A new design of a guiding-index photonic crystal fiber which possesses a beam shaping effect and flexible control of dispersion has been proposed in this paper. It can shape a Gaussian beam into a circular hollow beam with certain dimension, which can be used in optical communication systems with a Cassegrain antenna to improve transmission efficiency by avoiding the loss of energy caused by the subreflector center reflection. In addition, its dispersion and confinement loss can be changed in a broad range by slightly adjusting structural parameters under condition that the hollow beam dimension remains about the same. Fairly practical properties, zero dispersion or flattened dispersion, can be obtained when structural parameters are set appropriately. A series of models with different parameters are analyzed and compared. Results of numerical simulation show that the ultra-low dispersion of 1.802 ps/km/nm can be obtained when λ = 1.31 μm. Several modest design parameters are given as well.

Słowa kluczowe

EN

photonic crystal fiber; hollow beam; chromatic dispersion

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2014
• Tom: Vol. 44, nr 3
• Strony: 375--387
• Opis fizyczny: Bibliogr. 28 poz., rys., tab., wykr.

Twórcy

autor

Huang Y.

• School of Physical Electronics, University of Electronic, Science and Technology of China, Chengdu 610054, China

autor

Jiang P

• School of Physical Electronics, University of Electronic, Science and Technology of China, Chengdu 610054, China

autor

Yang H.

• School of Physical Electronics, University of Electronic, Science and Technology of China, Chengdu 610054, China

autor

Yu M.

• School of Physical Electronics, University of Electronic, Science and Technology of China, Chengdu 610054, China

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