“…In this work, we aim to enhance the transmission system for single carrier and DSC systems impaired by linear non-unitary effects such as Polarization Dependent Loss (PDL), which results in a degradation in the transmission performance. Space-Time (ST) codes were previously proposed to mitigate non-unitary effects in several optical systems, such as: PolMux systems [2], Multi-mode fibers [3] and Multi-core fibers [4]. However, these ST solutions remain difficult to be implemented on commercial systems due to the use of OFDM equalization that is incompatible with today's digital signal processing (DSP) solutions.…”
We propose new coding technique, called IQ-code, to mitigate PDL and inter-channel crosstalk on optical fiber transmission. We obtain 0.3-0.5 dB OSNR gain at FEC limit for any number of sub-carrier by simple ZF decoding.
“…In this work, we aim to enhance the transmission system for single carrier and DSC systems impaired by linear non-unitary effects such as Polarization Dependent Loss (PDL), which results in a degradation in the transmission performance. Space-Time (ST) codes were previously proposed to mitigate non-unitary effects in several optical systems, such as: PolMux systems [2], Multi-mode fibers [3] and Multi-core fibers [4]. However, these ST solutions remain difficult to be implemented on commercial systems due to the use of OFDM equalization that is incompatible with today's digital signal processing (DSP) solutions.…”
We propose new coding technique, called IQ-code, to mitigate PDL and inter-channel crosstalk on optical fiber transmission. We obtain 0.3-0.5 dB OSNR gain at FEC limit for any number of sub-carrier by simple ZF decoding.
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