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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 16 — Aug. 15, 2009
  • pp: 2522–2524

Guided wave optics in periodically poled KTP: quadratic nonlinearity and prospects for attosecond jitter characterization

Amir H. Nejadmalayeri, Franco N.C. Wong, Tony D. Roberts, Philip Battle, and Franz X. Kärtner  »View Author Affiliations

Optics Letters, Vol. 34, Issue 16, pp. 2522-2524 (2009)

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For the first time to our knowledge, continuous nonsegmented channel waveguides in periodically poled K Ti O P O 4 with guided orthogonal polarizations are used to demonstrate type II background-free second harmonic generation in the telecom band with 1.6 % ( W cm 2 ) normalized conversion efficiency. This constitutes a 90-fold improvement in aggregate conversion efficiency over its free space counterpart. Simulations show that the guided wave device should enable the measurement of timing fluctuations of optical pulse trains at the attosecond level in an optical cross correlation scheme.

© 2009 Optical Society of America

OCIS Codes
(070.4550) Fourier optics and signal processing : Correlators
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(230.7370) Optical devices : Waveguides
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

ToC Category:
Nonlinear Optics

Original Manuscript: April 27, 2009
Revised Manuscript: July 2, 2009
Manuscript Accepted: July 6, 2009
Published: August 14, 2009

Amir H. Nejadmalayeri, Franco N. C. Wong, Tony D. Roberts, Philip Battle, and Franz X. Kärtner, "Guided wave optics in periodically poled KTP: quadratic nonlinearity and prospects for attosecond jitter characterization," Opt. Lett. 34, 2522-2524 (2009)

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