Triple wavelength OEIC with improved optical responsivity

Deuk Hee Park; Chae Dong Go; Ha Woong Jeong; Kyoung Soo Kwon; Byung-Sung Kim

doi:10.1117/12.807925

10 February 2009 Triple wavelength OEIC with improved optical responsivity

Deuk Hee Park, Chae Dong Go, Ha Woong Jeong, Kyoung Soo Kwon, Byung-Sung Kim

Proceedings Volume 7219, Optoelectronic Integrated Circuits XI; 72190S (2009) https://doi.org/10.1117/12.807925
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

OEICs for the advanced optical storage systems are required to be compatible with three kinds of disk systems, CD (λ=780nm), DVD (λ=650nm) and bluray disk (λ=405nm). In this paper we present a triple wavelength OEIC with improved isolation areas between adjacent photodiodes, which minimize the dark areas for 405nm laser beam and also improve the effective photodiode areas for 650nm and 780nm laser beams. The isolation area is made not with pwell and pbur layer but with floated p+ for increasing the resistance between adjacent photodiodes. The IC was developed in 0.6um BiCMOS technology with integrated N+ finger type photodiodes. A 3-dB frequency response of 163MHz and a sensitivity of 22mV/uW at the blue laser spectral range (405nm) have been measured. A power consumption of 115mW at 5V supply is low enough for the commercial bluray pickup unit, and a chip area of 2.88mm2 is achieved. We have got good jitter performance of 6.8% at the commercial bluray systems.

Citation Download Citation

Deuk Hee Park, Chae Dong Go, Ha Woong Jeong, Kyoung Soo Kwon, and Byung-Sung Kim "Triple wavelength OEIC with improved optical responsivity", Proc. SPIE 7219, Optoelectronic Integrated Circuits XI, 72190S (10 February 2009); https://doi.org/10.1117/12.807925

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