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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 10,
  • Issue 12,
  • pp. 120603-120603
  • (2012)

Cascaded PCF tapers for flat broadband supercontinuum generation

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Abstract

We report the fabrication of cascaded photonic crystal fiber (PCF) tapers in monolithic design. Flat broadband supercontinuum (SC) generation in cascaded PCF tapers pumped by sub-nanosecond pulses from a 1 064-nm microchip laser is demonstrated. The spectral width (20 dB) extends from 0.47 to 1.67 µm. In the optimal configuration, an ultraflat (3 dB) spectrum from 500 to 1 000 nm is achieved.

© 2012 Chinese Optics Letters

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