Paper
19 November 2007 All-optical wavelength converter concepts for high data rate D(Q)PSK transmission
B. Hüttl, R. Elschner, H. Suche, A. Gual i Coca, Ch.-A. Bunge, C. Schmidt-Langhorst, R. Ludwig, R. Nouroozi, H. G. Weber, K. Petermann, W. Sohler, C. Schubert
Author Affiliations +
Proceedings Volume 6783, Optical Transmission, Switching, and Subsystems V; 678323 (2007) https://doi.org/10.1117/12.745023
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China
Abstract
We investigate the performance of two different all-optical wavelength conversion configurations: four-wave mixing in highly nonlinear fiber and cascaded second harmonic and difference frequency generation in periodically poled Lithium Niobate. Both configurations have the capability to convert phase-modulated signals with high data rates. Error free wavelength conversion of up to 160 Gbit/s DPSK and 320 Gbit/s DQPSK data signals is demonstrated. The converter using highly non-linear fiber can have advantages in network applications in which cascaded wavelength conversion are requested due to its potentially higher conversion efficiency and OSNR. The Lithium Niobate converter generates no phase distortion by wavelength conversion of phase-modulated signals. This could be useful for applications utilizing PSK formats with 2 bit per symbol or more, like DQPSK or 8-PSK.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
B. Hüttl, R. Elschner, H. Suche, A. Gual i Coca, Ch.-A. Bunge, C. Schmidt-Langhorst, R. Ludwig, R. Nouroozi, H. G. Weber, K. Petermann, W. Sohler, and C. Schubert "All-optical wavelength converter concepts for high data rate D(Q)PSK transmission", Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 678323 (19 November 2007); https://doi.org/10.1117/12.745023
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KEYWORDS
Phase shift keying

Data conversion

Modulation

Distortion

Phase modulation

Signal processing

Receivers

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