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Implementation of 10 Gb/s 4-Channel VCSELs Driver Chip for Output Stabilization Based on Time Division Sensing Method
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 Title & Authors
Implementation of 10 Gb/s 4-Channel VCSELs Driver Chip for Output Stabilization Based on Time Division Sensing Method
Yang, Choong-reol; Lee, Kang-yoon; Lee, Sang-soo; Jung, Whan-seok;
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 Abstract
We implemented a 10 Gb/s 4-channel vertical cavity surface emission lasers (VCSEL) driver array in a CMOS process technology. To enhance high current resolution, power dissipation, and chip space area, digital APC/AMC with time division sensing technology is primarily adopted. The measured -3 dB frequency bandwidth is 9.2 GHz; the small signal gain is 10.5 dB; the current resolution is 0.01 mA/step, suitable for the wavelength operation up to 10 Gb/s over a wide temperature range. The proposed APC and AMC demonstrate 5 to 20 mA of bias current control and 5 to 20 mA of modulation current control. The whole chip consumes 371 mW of low power under the maximum modulation and bias currents. The active chip size is .
 Keywords
TWDM-PON;VCSEL Driver;Time Division sensing method;CMOS;APC;
 Language
English
 Cited by
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