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首页> 外文会议>2015 IEEE Compound Semiconductor Integrated Circuit Symposium >A 56-Gb/s PAM4 InP HBT Driver IC Compensating for Nonlinearity of Extinction Curve of EAM
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A 56-Gb/s PAM4 InP HBT Driver IC Compensating for Nonlinearity of Extinction Curve of EAM

机译：56-GB / S PAM4 INP HBT驱动器IC补偿EAM的消光曲线的非线性

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摘要

We devised a PAM4 driver IC that can compensate for the nonlinearity of the extinction curve of an electroabsorption modulator (EAM). The driver was designed and fabricated by using our InP HBT technology (f = 290 GHz, f = 320 GHz). The driver can adjust the modulation voltage swing for each intensity level to obtain clear eye openings in the optical domain. The results showed clear eye openings of the optical output waveform when compensating for the nonlinearity. To evaluate the effect of compensating for the nonlinearity quantitatively, the bit error rate (BER) was measured. A minimum receiver sensitivity of -9 dBm was observed when compensating at a BER of 2 × 10-4, while a minimum receiver sensitivity was not observed at the BER without compensating. Our PAM4 driver can provide clear 56-Gb/s optical eye openings compensating for the nonlinearity of the extinction curve of an EAM.
机译：我们设计了一种PAM4驱动器IC，可以补偿电吸收调制器（EAM）的消光曲线的非线性。通过使用我们的INP HBT技术（F = 290 GHz，F = 320 GHz）设计和制造驾驶员。驾驶员可以调节每个强度水平的调制电压摆动，以在光学域中获得清晰的眼部开口。结果显示了在补偿非线性时透明光输出波形的眼部开口。为了定量评估数量地补偿非线性的效果，测量误码率（BER）。当补偿2×10-4的BER时，观察到-9dBm的最小接收机灵敏度，而在没有补偿的情况下，在BER上未观察到最小接收器灵敏度。我们的PAM4驱动器可以提供清晰的56-GB / S光学眼开口，用于补偿EAM的消光曲线的非线性。

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