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 <i>μ</i>m CMOS technology and works up to 10 Gbps data rate. The TIA-Rx chip core occupies an area of 0.051 mm<sup>2</sup> with power consumption of 16.9 mW at 1.3 V. The measured input-referred noise of optical TIA-Rx is 20 pA/√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 GHzΩ/mW.
© 2013 Optical Society of Korea
(040.5160) Detectors : Photodetectors
(060.4510) Fiber optics and optical communications : Optical communications
(200.4650) Optics in computing : Optical interconnects
(250.4480) Optoelectronics : Optical amplifiers
Original Manuscript: September 11, 2012
Revised Manuscript: December 18, 2012
Manuscript Accepted: December 24, 2012
Published: February 25, 2013
Jamshid Sangirov, Ikechi Augustine Ukaegbu, Tae-Woo Lee, Mu Hee Cho, and Hyo-Hoon Park, "10 Gbps Transimpedance Amplifier-Receiver for Optical Interconnects," J. Opt. Soc. Korea 17, 44-49 (2013)
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