Power minimization and technology comparisons for digital free-space optoelectronic interconnections

Osman Kibar, Daniel A. Van Blerkom, Chi Fan, Sadik C. Esener

Research output: Contribution to journalArticlepeer-review

58 Scopus citations


Digital free-space optoelectronic interconnections can be optimized to have minimum power dissipation of the overall link and maximum interconnect density. A method to minimize the total power dissipation of an interconnect link at a given bit rate is discussed, and the impact of link performance of two competing transmitter technologies, vertical cavity surface emitting lasers and multiple quantum well modulators, are examined along with their driver-receiver circuits including CMOS and bipolar transmitter driver circuits, and p-n junction photodetectors with multistage transimpedance receiver circuits. An aggregate bandwidth in excess of 1 Tb/s-cm2 is achieved in an optimized free-space interconnect using either transmitter technologies.

Original languageEnglish (US)
Pages (from-to)546-555
Number of pages10
JournalJournal of Lightwave Technology
Issue number4
StatePublished - Apr 1999
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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