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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper CD_P11

Supercontinuum generation in photonic crystal fibers made from borosilicate glasses

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Abstract

Supercontinuum generation in optical fibers has found applications from optical frequency metrology to telecommunications [1]. In this work, we present results of supercontinuum generation in photonic crystal fibers (PCFs) made from borosilicate glasses and pumped by nanosecond pulses from a Q-switched microchip laser. These PCFs were fabricated by the stack-and-draw technique and consist of five hollow ring periods with their solid core composed of lead-doped borosilicate glass. They have external diameters ranging from 3.8 to 6 microns and were excited by a commercial Q-switched laser (1064 nm, average power of 60 mW, repetition rate of 144 kHz). The PCF lengths were inferior to a meter. Optical attenuations for these PCFs were measured with the cut-back method and their dispersion curves were calculated from the scanning electron microscope images. The lead-doped core borosilicate PCFs with short lengths can provide high nonlinear properties and dispersion control, and therefore can be well suited for supercontinuum generation. Figure 1 details the PCF structure and presents some of the generated spectra.

© 2011 Optical Society of America

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