Title :
10 Gbit/s optical front end using Si-bipolar preamplifier IC, flipchip APD, and slant-end fibre
Author :
Hamano, H. ; Yamamoto, Takayuki ; Nishizawa, Yuji ; Oikawa, Yoichi ; Kuwatsuka, H. ; Tahara, A. ; Suzuki, Kenji ; Nishimura, Akira
Author_Institution :
Fujitsu Labs. Ltd., Kawasaki, Japan
Abstract :
An optical front end for a 10 Gbit/s optical receiver has been fabricated that features a 10 GHz Si preamplifier IC, a flipchip APD with an 80 GHz gain-bandwidth product, and slant-end fibre optical coupling. Hybrid construction consisting of a flipchip APD mounted directly on the preamplifier chip minimises interconnect parasitics, and slant-end fibre optical coupling simplifies flat-package assembly of chip and fibre. An optical sensitivity of -23 dBm was achieved.
Keywords :
MMIC; avalanche photodiodes; bipolar integrated circuits; elemental semiconductors; flip-chip devices; optical communication equipment; preamplifiers; receivers; silicon; 10 GHz; 10 Gbit/s; Si bipolar preamplifier chip; flat-package assembly; flipchip APD; optical front end; optical receiver; optical sensitivity; semiconductors; slant-end fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19911004
