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A CMOS burst-mode optical transmitter for 1.25-Gb/s ethernet PON applications

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5 Author(s)
Yong-Hun Oh ; Electr. Eng. Dept., Inf. & Commun. Univ., Daejeon, South Korea ; Sang-Gug Lee ; Quan Le ; Ho-Yong Kang
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This brief presents a CMOS burst-mode optical transmitter suitable for use in 1.25-Gb/s Ethernet passive optical network applications. Based on feedback from the monitoring photodiode, in order to control consecutive burst data the proposed transmitter in this brief uses a reset mechanism, which allows fast responses from the beginning of a high-speed input burst. The chip is fabricated in mixed-mode 0.18-μm CMOS technology and measurements are implemented in a chip-on-board configuration using a pig-tailed type Fabry-Perot laser. Under burst-mode operation of 1.25-Gb/s pseudorandom binary sequences, measurements show about 1-dBm averaged transmitted optical power with an over 12-dB extinction ratio over a wide temperature range.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:52 ,  Issue: 11 )