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Optica Publishing Group
  • CLEO/Europe and IQEC 2007 Conference Digest
  • (Optica Publishing Group, 2007),
  • paper CD8_5

Frequency doubling in femtosecond-written periodically-poled potassium titanyl phosphate waveguides

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Abstract

Producing femtosecond-laser-written waveguides in nonlinear crystals has the potential to create novel and high-efficiency frequency conversion devices. Recent studies in lithium niobate (LN) have demonstrated tight confinement of a pump beam along the entire length of a crystal and this can be used to achieve very efficient (0.5%/W) birefringently-phasematched second harmonic generation (SHG) at 1064mn [1].

© 2007 IEEE

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