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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 24 — Nov. 19, 2012
  • pp: 27425–27433

Tunable all-optical wavelength broadcasting in a PPLN with multiple QPM peaks

Meenu Ahlawat, Amirhossein Tehranchi, Krishnamoorthy Pandiyan, Myoungsik Cha, and Raman Kashyap  »View Author Affiliations

Optics Express, Vol. 20, Issue 24, pp. 27425-27433 (2012)

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We experimentally demonstrate tunable multiple-idler wavelength broadcasting of a signal to selective channels for wavelength division multiplexing (WDM). This is based on cascaded χ(2) nonlinear mixing process in a novel multiple-QPM 10-mm-long periodically poled LiNbO3 having an aperiodic domain in the center. The idlers’ spacing is varied utilizing detuning of the pump wavelength within the SHG bandwidth. The temperature-assisted tuning of QPM pump wavelengths allows shifting the idlers together to different set of WDM channels. Our experimental results indicate that an overall idler wavelength shift of less than 10 nm realized by selecting pump wavelengths via temperature tuning, is sufficient to cover up to 40 WDM channels for multiple idlers broadcasting.

© 2012 OSA

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Signal Processing in X(2) Materials

Original Manuscript: September 5, 2012
Revised Manuscript: October 18, 2012
Manuscript Accepted: October 19, 2012
Published: November 19, 2012

Virtual Issues
Nonlinear Photonics (2012) Optics Express

Meenu Ahlawat, Amirhossein Tehranchi, Krishnamoorthy Pandiyan, Myoungsik Cha, and Raman Kashyap, "Tunable all-optical wavelength broadcasting in a PPLN with multiple QPM peaks," Opt. Express 20, 27425-27433 (2012)

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