Free-space optical interconnection: A technology comparison of vertical-cavity surface-emitting lasers and multiple-quantum-well modulators

Chi Fan, Daniel A. Van Blerkom, W. Lee Hendrick, Sadik Esener

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We evaluate current vertical-cavity surface-emitting laser (VCSEL) and multiple-quantum-well (MQW) modulator technologies for low-fanout system applications. Si-CMOS transimpedance receiver circuits are used in the comparison. The aggregate bandwidth per unit area is calculated from the bandwidth and the total on-chip power dissipation. The results indicate that the electrical power dissipation in the receiver circuits dominates at low operating frequencies. At high operating frequencies the receiver gain drops significantly, thus more electrical power is dissipated in the transmitter to provide more optical power to the receiver to satisfy the voltage requirement at the receiver output. In VCSEL based systems, the optical power is generated entirely on-chip. Thus, only VCSELs with low threshold current and low series resistance would be able to provide the same aggregate bandwidth as the MQW modulator based systems.

Original languageEnglish (US)
Pages (from-to)394-396
Number of pages3
JournalOptical Review
Volume3
Issue number6 A
StatePublished - 1996
Externally publishedYes

Fingerprint

surface emitting lasers
modulators
receivers
quantum wells
cavities
bandwidth
dissipation
chips
threshold currents
transmitters
CMOS
requirements
output
electric potential

Keywords

  • Free-space optical interconnection
  • Multiple-quantum-well modulator
  • Transimpedance optical receiver
  • Vertical surface-emitting laser

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Free-space optical interconnection : A technology comparison of vertical-cavity surface-emitting lasers and multiple-quantum-well modulators. / Fan, Chi; Van Blerkom, Daniel A.; Lee Hendrick, W.; Esener, Sadik.

In: Optical Review, Vol. 3, No. 6 A, 1996, p. 394-396.

Research output: Contribution to journalArticle

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