A [Formula Omitted] Gb/s Optical Transmitter Using Low-Cost 10 Gb/s VCSELs in 40-nm CMOS
This letter presents a [Formula Omitted] Gb/s optical transmitter in 40-nm CMOS. Low-cost vertical cavity surface-emitting lasers (VCSELs) with 10-GHz bandwidth (BW) are employed, which are then overdriven to 25 Gb/s by the proposed pre-emphasized quad-channel driver. Digitally assisted asymmetric-p...
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| Veröffentlicht in: | IEEE photonics technology letters 2019-01, Vol.31 (12), p.967 |
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| container_issue | 12 |
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| container_title | IEEE photonics technology letters |
| container_volume | 31 |
| creator | Hu, Shang Bai, Rui Wang, Xin Peng, Yi Wang, Juncheng Xia, Tao Ma, Jianxu Wang, Lei Zhang, Yuanxi Chen, Xuefeng Qi, Nan Patrick Yin Chiang |
| description | This letter presents a [Formula Omitted] Gb/s optical transmitter in 40-nm CMOS. Low-cost vertical cavity surface-emitting lasers (VCSELs) with 10-GHz bandwidth (BW) are employed, which are then overdriven to 25 Gb/s by the proposed pre-emphasized quad-channel driver. Digitally assisted asymmetric-pulsed equalization technique is proposed to overcome the VCSEL modulation non-linearity and maximize the eye-diagram margin against the 100-GbE standard mask. The measurement results show >30% eye-mask margin and error-free (BER [Formula Omitted]) optical transmission for each 25-Gb/s channel, resulting in 280-mW power dissipation per channel under 1.2–/3.3-V dual supply. |
| doi_str_mv | 10.1109/LPT.2019.2911971 |
| format | Article |
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Low-cost vertical cavity surface-emitting lasers (VCSELs) with 10-GHz bandwidth (BW) are employed, which are then overdriven to 25 Gb/s by the proposed pre-emphasized quad-channel driver. Digitally assisted asymmetric-pulsed equalization technique is proposed to overcome the VCSEL modulation non-linearity and maximize the eye-diagram margin against the 100-GbE standard mask. The measurement results show >30% eye-mask margin and error-free (BER [Formula Omitted]) optical transmission for each 25-Gb/s channel, resulting in 280-mW power dissipation per channel under 1.2–/3.3-V dual supply.</description><identifier>ISSN: 1041-1135</identifier><identifier>EISSN: 1941-0174</identifier><identifier>DOI: 10.1109/LPT.2019.2911971</identifier><language>eng</language><publisher>New York: The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</publisher><subject>Bandwidths ; CMOS ; Equalization ; Linearity ; Low cost ; Vertical cavity surface emission lasers</subject><ispartof>IEEE photonics technology letters, 2019-01, Vol.31 (12), p.967</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Low-cost vertical cavity surface-emitting lasers (VCSELs) with 10-GHz bandwidth (BW) are employed, which are then overdriven to 25 Gb/s by the proposed pre-emphasized quad-channel driver. Digitally assisted asymmetric-pulsed equalization technique is proposed to overcome the VCSEL modulation non-linearity and maximize the eye-diagram margin against the 100-GbE standard mask. The measurement results show >30% eye-mask margin and error-free (BER [Formula Omitted]) optical transmission for each 25-Gb/s channel, resulting in 280-mW power dissipation per channel under 1.2–/3.3-V dual supply.</abstract><cop>New York</cop><pub>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</pub><doi>10.1109/LPT.2019.2911971</doi></addata></record> |
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| ispartof | IEEE photonics technology letters, 2019-01, Vol.31 (12), p.967 |
| issn | 1041-1135 1941-0174 |
| language | eng |
| recordid | cdi_proquest_journals_2235825397 |
| source | IEEE Electronic Library (IEL) |
| subjects | Bandwidths CMOS Equalization Linearity Low cost Vertical cavity surface emission lasers |
| title | A [Formula Omitted] Gb/s Optical Transmitter Using Low-Cost 10 Gb/s VCSELs in 40-nm CMOS |
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