Bandwidth Enhancement Equalization Enabling A 40-Gbps Pam4 Transmission Via A 9.5-Ghz Photoreceiver

Jun-Jie Liu,Chia-Chien Wei,Ta-Ching Tzu,Chun-Yen Chuang,Kai-Lun Chi,Xin-Nan Chen,Jin-Wei Shi,Jyehong Chen

2016 21ST OPTOELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) HELD JOINTLY WITH 2016 INTERNATIONAL CONFERENCE ON PHOTONICS IN SWITCHING (PS)（2016）

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Abstract

We demonstrate a 40-Gbps PAM4 optical system by employing a photoreceiver with bandwidth of only 9.5 GHz. Following 100 m multimode fiber, the BER of l. 8 x 10(-4) and 1.2 x 10(-4) after FFE and DFE equalizations are successfully achieved

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Key words

PAM4, VCSEL, FFE, DFE, vertical-cavity surface-emitting lasers

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