Experimental Study of Mode Field Evolution of Dual-Core Photonic Crystal Fiber

The accurate mode field profile of high negative dispersion dual-core photonic crystal fiber (DCPCF) is measured. The mode field evolution of DCPCF with wavelength is studied experimentally for the first time. The measurement result shows that no individual inner core mode or outer core mode exists,...

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Veröffentlicht in:	IEEE photonics technology letters 2007-10, Vol.19 (19), p.1523-1525
Hauptverfasser:	Yang, Sigang, Zhang, Yejin, Li, Jinyan, Chen, Wei, He, Lina, Xie, Shizhong
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Couplings Crystal fibers Dispersion Dispersions Dual core Evolution Joining measurement mode field Optical fiber testing photonic crystal fiber (PCF) Photonic crystal fibers Photonic crystals Photonics Pulse shaping methods Refractive index System performance Wavelength measurement Wavelengths
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Beschreibung
Zusammenfassung:	The accurate mode field profile of high negative dispersion dual-core photonic crystal fiber (DCPCF) is measured. The mode field evolution of DCPCF with wavelength is studied experimentally for the first time. The measurement result shows that no individual inner core mode or outer core mode exists, but two modes coexist simultaneously, and either one of them is dominant. The mode field evolution versus wavelength indicates that the wavelength range where the modes coupling takes place between inner core and outer core is broader than that of theoretical design.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2007.903868