16 DWDM channels optoelectronic 3R NRZ-to-RZ regenerative format conversions based on single phase modulator

Y. Yu; J. B. Rosas-Fernández; X. Zhang; D. Huang; R. V. Penty; I. H. White

doi:10.1117/12.804019

11 November 2008 16 DWDM channels optoelectronic 3R NRZ-to-RZ regenerative format conversions based on single phase modulator

Y. Yu, J. B. Rosas-Fernández, X. Zhang, D. Huang, R. V. Penty, I. H. White

Author Affiliations +

Proceedings Volume 7136, Optical Transmission, Switching, and Subsystems VI; 71360Q (2008) https://doi.org/10.1117/12.804019
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

Abstract

We propose and demonstrate simultaneous multiple dense wavelength division multiplexing (DWDM) channels optoelectronic non-return-to-zero (NRZ) to return-to-zero (RZ) regenerative format conversions based on a single phase modulator (PM) and a fibre delay-interferometer (DI). The PM is driven by a local RF clock signal, and the DI with free spectral range (FSR) equals to the channel spacing is used to extract the chirps induced by the phase modulation, for all the channels at the same time. Since the original carriers are suppressed to some extent while the chirps are extracted, thus the NRZ-to-RZ conversions can be achieved with regeneration. The proposed multi-channels format conversions are successfully demonstrated at 16*10 Gb/s, with channel spacing of 100GHz. Bit error ratio (BER) measurements show 3.5 and 4.2 dB penalty improvements for 50 and 75 km transmission without dispersion compensation, respectively.

Citation Download Citation

Y. Yu, J. B. Rosas-Fernández, X. Zhang, D. Huang, R. V. Penty, and I. H. White "16 DWDM channels optoelectronic 3R NRZ-to-RZ regenerative format conversions based on single phase modulator", Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 71360Q (11 November 2008); https://doi.org/10.1117/12.804019

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KEYWORDS

Phase modulation

Dense wavelength division multiplexing

Optoelectronics

Modulators

Clocks

Single mode fibers

Eye

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