A digital-optical system-on-package module architecture for high performance multiprocessors

Gee Kung Chang, Daniel Guidotti, Zhaoran Huang, Fuhan Liu, Yin Jung Chang, Jianjun Yu, Rao R. Tummala

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


Data transport bottlenecks namely memory access delay (MAD) and node crossing delay (NCD) were analyzed using a digital-optical system-on-package module architecture. The MAD bottleneck was minimized by using a 3-D distributed shared memory field in which high speed OIs delivered data to and from each processor. The NCD bottleneck was resolved by the use of non-blocking, high speed, optical switching, each switch having a local controller that was optically synchronized and programmed by an optical header signal. It was found that the coupling efficiency between laser and waveguide was around 45% and the coupling efficiency between waveguide with a 45° end mirror and the PiN PD with a36 μm diameter active area was around 35%.

Original languageEnglish
Article numberWO2
Pages (from-to)581-582
Number of pages2
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
StatePublished - 2004
Event2004 IEEE LEOS Annual Meeting Conference Proceedings, LEOS 2004 - Rio Grande, Puerto Rico
Duration: 7 Nov 200411 Nov 2004


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