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We present measurements and simulations of the improvement due to electronic signal processing on 10 Gbit/s directly modulated lasers. MLSE algorithms with strong FEC can enable reaches in excess of 300 km NDSF without optical dispersion compensation.
We demonstrate 10 Gb/s single mode fiber data transmission using an uncooled 1.12 /spl mu/m GalnAs/GaAs QW VCSEL with optical feedback. Isolator-free operation with -24 dB optical feedback is successfully demonstrated for the first time.
A high power, broadband tunable laser module operating over the C-band is presented which is based upon a monolithically integrated DS-DBR tunable laser and semiconductor optical amplifier. These modules have been calibrated to achieve 80 channels at 50 GHz spacing with minimum channel powers of 13.5 dBm and SMSR greater than 40 dB. RIN and linewidth measurements confirm that feedback from the SOA...
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