Ultrabroad tunable wavelength conversion with uniform efficiency and signal-to-noise ratio

Z. G. Lu; P. Lin; F. G. Sun; P. Bock; S. Zhou; X. P. Zhang; T. Hall

doi:10.1117/12.628832

30 September 2005 Ultrabroad tunable wavelength conversion with uniform efficiency and signal-to-noise ratio

Z. G. Lu, P. Lin, F. G. Sun, P. Bock, S. Zhou, X. P. Zhang, T. Hall

Proceedings Volume 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics; 59710V (2005) https://doi.org/10.1117/12.628832
Event: Photonics North, 2005, Toronto, Canada

Abstract

By using two orthogonally-polarized pump beams, an ultrabroad tunable wavelength converter is demonstrated with uniform efficiency and equalized signal-to-noise ratio (SNR) through four-wave mixing (FWM) in an 1500-nm semiconductor optical amplifier (SOA). This device allows the conversion of the input data signal to lower or higher frequencies with nearly-constant conversion efficiency and SNR over a 10.66 THz tuning range. This result is a significant improvement of both the conversion efficiency and the SNR as compared with the conventional FWM-based wavelength converters. We have also investigated the effect of parameters of both input power and wavelength of pump P₂ on conversion efficiency and SNR of the wavelength-converted signals.

Citation Download Citation

Z. G. Lu, P. Lin, F. G. Sun, P. Bock, S. Zhou, X. P. Zhang, and T. Hall "Ultrabroad tunable wavelength conversion with uniform efficiency and signal-to-noise ratio", Proc. SPIE 5971, Photonic Applications in Nonlinear Optics, Nanophotonics, and Microwave Photonics, 59710V (30 September 2005); https://doi.org/10.1117/12.628832

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KEYWORDS

Signal to noise ratio

Data conversion

Modulation

Polarization

Terahertz radiation

Semiconductor optical amplifiers

Wavelength division multiplexing

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