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Recent studies on 1.3 mum InGaAs/GaAs QD-SOAs show they are able to deliver >18 dB gain across a 20 to 70degC temperature range. Successful system demonstrations over temperature are reported at channel rates of 10 Gb/s.
1.3 mum QD SOAs are shown to provide 19 dB optical gain at temperatures up to 70 degC, allowing < 0.1 dB system penalty at 10 Gb/s. The gain is constant to within plusmn 3.5 dB from 20degC-70degC for 10 nm spectral bandwidth.
A novel ultrafast self routing system is demonstrated using four-wave-mixing of 10 Gb/s packets spectrally-encoded in 25 GHz grid bins which are unequally spaced. Codes with a maximum separation of 1.6 nm enable routing to 10 different ports.
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