Mode tailoring in a ridge-type periodically poled lithium niobate waveguide | Zendy

Y. L. Lee | Zendy; Woojin Shin | Zendy; B.-A. Yu | Zendy; Chanho Jung | Zendy; Y.-C. Noh | Zendy; DoKyeong Ko | Zendy

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Mode tailoring in a ridge-type periodically poled lithium niobate waveguide

Author(s) -

Y. L. Lee,

Woojin Shin,

B.-A. Yu,

Chanho Jung,

Y.-C. Noh,

DoKyeong Ko

Publication year - 2010

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.007678

Subject(s) - lithium niobate , optics , materials science , waveguide , wavelength , optoelectronics , physics

We present a simple and powerful method for mode generation and transformation in a ridge-type periodically poled lithium niobate (PPLN) waveguide by the use of second-order nonlinear effect and local-temperature-control technique. We show that a Hermite-Gaussian (HG) mode wave (among HG(00) to HG(22)) can be selectively generated via the quasi-phase-matching (QPM) nonlinear process in a PPLN waveguide by tuning the wavelength of fundamental wave or the temperature of the waveguide. As well, it is demonstrated that HG mode can be transformed into Laguerre-Gaussian (LG) one via combination of HG modes which are simultaneously generated in a single PPLN waveguide with local-temperature-control technique.

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