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A High Speed CMOS Arrayed Optical Transmitter for WPON Applications
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 Title & Authors
A High Speed CMOS Arrayed Optical Transmitter for WPON Applications
Yang, Choong-Reol; Lee, Sang-Soo;
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In this paper, the design and layout of a 2.5 Gbps arrayed VCSEL driver for optical transceiver having arrayed multi-channel of integrating module is confirmed. In this paper, a 4 channel 2.5 Gbps VCSEL (vertical cavity surface emitting laser) driver array with automatic optical power control is implemented using CMOS process technology that drives a high speed VCSEL used in optical transceiver. To enhance the bandwidth of the optical transmitter, active feedback amplifier with negative capacitance compensation is exploited. We report a distinct improvement in bandwidth, voltage gain and operation stability at 2.5Gbps data rate in comparison with existing topology. The 4-CH chip consumes only 140 mW of DC power at a single 1.8V supply under the maximum modulation and bias currents, and occupies the die area of excluding bonding pads.
 Cited by
시분할 센싱 기법 기반의 출력 안정화를 위한 10 Gb/s 4채널 VCSELs 드라이버의 구현,양충열;이강윤;이상수;정환석;

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