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Monolithically Integrated DFB-EA for 100 Gb/s Ethernet

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4 Author(s)
Marek Chacinski ; Kista Photonic Res. Center, R. Inst. of Technol., Kista ; Urban Westergren ; BjÖrn Stoltz ; Lars Thylen

The world's first monolithically integrated distributed feedback laser and electroabsorption (EA) modulator with an expected ges100 GHz -3 dBe bandwidth suitable for 100 Gb/s operation with on-off keying is presented. The design of the EA modulator uses a traveling-wave structure with three active segments and a total active length of 180 mum resulting in ~ 2.5 V peak-to-peak drive voltage for 10 dB optical extinction ratio and low electrical reflection.

Published in:

IEEE Electron Device Letters  (Volume:29 ,  Issue: 12 )