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56 Gb/s PAM-4 Directly Modulated Laser for 200G/400G Data-Center Optical Links

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Abstract

PAM-4 modulation up to 56 Gb/s of a 1.3-µm InGaAlAs-MQW, low-RIN (< −150 dB/Hz) DFB laser, based on a simple, high volume manufacturing capable, ridge-waveguide (RWG) platform, operating upto 70 °C, is experimentally demonstrated.

© 2017 Optical Society of America

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