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Abstract:We achieved high-speed wavelength division multiplexing (WDM) transmission in the visible to infrared region over a 1 km photonic crystal fiber (PCF). We realized ultra-wide and high-speed WDM transmission using six wavelengths in the 658 to 1550 nm wavelength range, which corresponds to a frequency bandwidth of 263 THz. We demonstrated WDM transmission of 1 Gbit/s at 658 nm and 10 Gbit/s at 780 nm and four infrared wavelengths. Our experimental results show that low loss PCF is very attractive for use in future high capacity WDM systems with an ultra wide bandwidth. Keywords: photonic crystal fiber (PCF), visible wavelength, WDM transmission, high-speed transmission Classification: Photonics devices, circuits, and systems Sankawa, and K. Shiraki, "Application of a prechirp technique to 10-Gb/s transmission at 1064 nm through 24 km of photonic crystal fiber," IEEE Photon. Technol. Lett., vol. 18, no. 19, pp. 2026-2028 W. Li, G. Khoe, H. van den Boom, G. Yabre, H. de Waardt, Y. Koike, S. ReferencesYamazaki, K. Nakamura, and Y. Kawaharada, "2.5 Gbit/s transmission over 200 m PMMA graded index polymer optical fibre using a 645 nm narrow spectrum laser,"

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We demonstrated high-speed transmission at visible wavelengths over a 1 km photonic crystal fiber (PCF). We achieved a 1 Gbit/s transmission at 783 nm by using the direct modulation of a cost-effective Fabry-Perot laser diode (FP-LD). By employing the external modulation of the longitudinally single-mode grating-stabilized LD, we obtained the first penalty free 10 Gbit/s transmission at 780 nm.

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