Polarization coupling of optical pulse in birefringent nonlinear waveguide

Wenfeng Wang; Jun Zhang; Youfa Wang

doi:10.1117/12.840114

26 October 2009 Polarization coupling of optical pulse in birefringent nonlinear waveguide

Wenfeng Wang, Jun Zhang, Youfa Wang

Proceedings Volume 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration; 75160K (2009) https://doi.org/10.1117/12.840114
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

The propagation of polarized optical pulses in a birefringent nonlinear waveguide has been studied by nonlinear coupled equations which is presented in a new normalized format. It is found that the polarization coupling features of two orthogonally polarized components of the optical pulses are determined by a dimensionless parameter: the ratio of the dispersion length to the intrinsic beat length, L_D/L_B. When πL_D/L_B 1, the pulse has the same coupling features as the continuous wave, only the energy of the peak part of the pulse can couple forth and back between the two orthogonally polarized components. When 1 > πL_D/L_B, the perpendicularly polarized component of the pulse, i.e. instable mode, can efficiently couple to the parallel polarized component, i.e. stable mode. When πL_D/L_B lies in the rest region, the pulse will be significantly compressed and break into multi-peak pulses. The peaks of the pulse show different propagation speeds, thereafter the separation of the peaks increases while the pulse propagates.

Citation Download Citation

Wenfeng Wang, Jun Zhang, and Youfa Wang "Polarization coupling of optical pulse in birefringent nonlinear waveguide", Proc. SPIE 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration, 75160K (26 October 2009); https://doi.org/10.1117/12.840114

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