Spatially resolved detection for enhancement of multimode-fiber-link performance

Author

Pate, Ketan M. ; Ralph, Stephen E.

Author_Institution

Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA

Volume

2

fYear

2001

fDate

2001

Firstpage

483

Abstract

We have developed a detection technique to reduce the effect of DMD without sacrificing the advantages, such as alignment tolerance and ease of manufacturing, related to the use of multimode fiber. Our method is a simple implementation of spatially resolved equalization (SRE) that doubles the bandwidth of MMF links. Using an overfilled launch condition, we exploit the spatial diversity of the optical signal emitted from the MMF. We use a SRE detector, an InGaAs metal-semiconductor-metal (MSM) device placed 400 μm from the fiber end

Keywords

III-V semiconductors; delays; gallium arsenide; indium compounds; intersymbol interference; metal-semiconductor-metal structures; optical fibre networks; optical fibre testing; photodetectors; 400 micron; InGaAs; InGaAs metal-semiconductor-metal detector; SRE detector; alignment tolerance; detection technique; graded-index MMF; low intermodal coupling; multimode fiber; multimode-fiber-link performance; spatially resolved detection; spatially resolved equalization; unique transverse profile; Bandwidth; Cutoff frequency; Delay; Detectors; Distributed feedback devices; Laser modes; Optical fiber LAN; Optical receivers; Spatial resolution; Vertical cavity surface emitting lasers;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics Society, 2001. LEOS 2001. The 14th Annual Meeting of the IEEE

Conference_Location

San Diego, CA

ISSN

1092-8081

Print_ISBN

0-7803-7105-4

Type

conf

DOI

10.1109/LEOS.2001.968883

Filename

968883