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Phase variation of fundamental field induced by cascaded second order nonlinear processes in KTP

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Języki publikacji
EN
Abstrakty
EN
In this paper it has been demonstrated by numerical simulation that the intense second harmonic field induces a nonlinear phase change on a fundamental field simultaneously through the cascaded second-order processes. It has been shown that the phase variation depends on both the propagation distance and the incident fundamental field E1. The phase variation strongly depends on the wavelength of the fundamental field. With the increase of the wavelength of the fundamental field, most of the phase variation induced by the second harmonic wave on the fundamental wave becomes smaller linearly. It has been also shown that there are some nonlinear regimes in the phase variation. For some wavelengths of the fundamental field, there are some peaks of the decrease or increase of the induced phase variation.
Czasopismo
Rocznik
Strony
403--408
Opis fizyczny
Bibliogr. 8 poz.
Twórcy
autor
  • Department of Physics, Wuhan University, Wuhan 430072, China
autor
  • Department of Physics, Wuhan University, Wuhan 430072, China
Bibliografia
  • 1. Assanto G., Stegeman G., Shiek-Bahae M., Van Stryland E., All-optical switching devices based on large nonlinear phase shifts from second harmonic generation, Applied Physics Letter 62(12), 1993, pp. 1323-5.
  • 2. Baek Y., Schiek R., Stegeman G.I., All-optical switching in a hybrid Mach-Zehnder interferometer as a result of cascaded second-order nonlinearity, Optics Letters 20(21), 1995, pp. 2168-70.
  • 3. Chun-Liu Z., Xiufeng Y., Chao L., Hong N.J., Xin G., Chaudhuri P.R., Xinyong D., Switchable multi-wavelength erbium-doped fiber lasers by using cascaded fiber Bragg gratings written in high birefringence fiber, Optics Communications 230(4-6), 2004, pp. 313-7.
  • 4. Zeng X., Chen X., Chen Y., Xia Y., Chen Y., Observation of all-optical wavelength conversion based on cascaded effect in periodically poled lithium niobate waveguide, Optics and Laser Technology 35(3), 2003, pp. 187-90.
  • 5. Danielius R., Di Trapani P., Dubietis A., Piskarskas A., Podenas D., Banfi G.F., Self-diffraction through cascaded second-order frequency-mixing effects in fi-barium borate, Optics Letters 18(8), 1993, pp. 574-6.
  • 6. Danielius R., Dubietis A., Piskarskas A., Transformation of pulse characteristics via cascaded second-order effects in an optical parametric amplifier, Optics Communications 133(1-6), 1997, pp. 277-81.
  • 7. Lefort L., Barthelemy A., Cross-phase modulation from second-harmonic to fundamental in cascaded second order processes; application to switching, Optics Communications 119(1-2), 1995, pp. 163-6.
  • 8. Thyagarajan K., Vaya M., Kumar A., Coupled mode analysis to study cascading in the QPM Cerenkovregime in waveguides, Optics Communications 140(4-6), 1997, pp. 316-22.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWA0-0006-0027
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