Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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10 Gbps Transimpedance Amplifier-Receiver for Optical Interconnects

  • Sangirov, Jamshid (Photonic Computer Systems Laboratory, Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Ukaegbu, Ikechi Augustine (Photonic Computer Systems Laboratory, Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Lee, Tae-Woo (Photonic Computer Systems Laboratory, Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Cho, Mu Hee (Photonic Computer Systems Laboratory, Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST)) ;
  • Park, Hyo-Hoon (Photonic Computer Systems Laboratory, Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST))
  • Received : 2012.09.11
  • Accepted : 2012.12.24
  • Published : 2013.02.25
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Abstract

A transimpedance amplifier (TIA)-optical receiver (Rx) using two intersecting active feedback system with regulated-cascode (RGC) input stage has been designed and implemented for optical interconnects. The optical TIA-Rx chip is designed in a 0.13 ${\mu}m$ CMOS technology and works up to 10 Gbps data rate. The TIA-Rx chip core occupies an area of 0.051 $mm^2$ with power consumption of 16.9 mW at 1.3 V. The measured input-referred noise of optical TIA-Rx is 20 pA/${\surd}$Hz with a 3-dB bandwidth of 6.9 GHz. The proposed TIA-Rx achieved a high gain-bandwidth product per DC power figure of merit of 408 $GHz{\Omega}/mW$.

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References

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