Title :
A Multi-Carrier QAM Transceiver for Ultra-Wideband Optical Communication
Author :
Chen, Jinghong ; Saibi, Fadi ; Säckinger, Eduard ; Othmer, Joseph ; Yu, Meng-Lin ; Yang, Fuji ; Lin, Jenshan ; Huang, Titus ; Liu, Ting-Ping ; Azadet, Kamran
Abstract :
The feasibility of a 40 Gb/s subcarrier modulated optical transmission system using low-cost optoelectronic components and CMOS IC technology is presented. The optical channel impairments are studied. A complete DSP framework is developed to cancel out the optical channel impairments as well as analog circuit imperfections. To validate that the 40 Gb/s system can be implemented in CMOS, an integrated QAM-16 transceiver with a carrier frequency of 13.32 GHz was designed and fabricated in a 0.14 mum, 1.5 V CMOS technology. The test chip occupies 3.6 mm2 of area and consumes 340 mW of power. Measurement results for a transmission link consisting of the CMOS QAM-16 modulator/demodulator, a directly modulated laser (DML), a 30 km single mode fiber and a p-i-n photo-detector are reported
Keywords :
CMOS integrated circuits; digital signal processing chips; integrated optoelectronics; optical communication; quadrature amplitude modulation; transceivers; ultra wideband communication; 0.14 micron; 1.5 V; 13.32 GHz; 30 km; 340 mW; 40 Gbit/s; CMOS IC technology; CMOS QAM-16 demodulator; CMOS QAM-16 modulator; DSP framework; analog circuit imperfections; directly modulated laser; multi-carrier QAM transceiver; optical channel impairments; optical transmission system; optoelectronic components; p-i-n photodetector; single mode fiber; transmission link; ultra-wideband optical communication; CMOS integrated circuits; CMOS technology; Integrated circuit technology; Optical devices; Optical fiber communication; Optical modulation; Photonic integrated circuits; Quadrature amplitude modulation; Transceivers; Ultra wideband technology; Adaptive equalization; QAM-16 transceiver; bandwidth efficient modulation; digital signal processing; directly modulated laser; inductor shunt peaking; modulator and demodulator; multi-level signaling; optical communication; poly-phase filter; single-mode fiber; sub-carrier multiplexing; ultra-wideband;
Journal_Title :
Solid-State Circuits, IEEE Journal of
DOI :
10.1109/JSSC.2006.875286
