Title :
A 3-D bidirectional optical link using a stacked thin-film emitter and detector
Author :
Geddis, D.L. ; Seo, S.W. ; Jokerst, N.M.
Author_Institution :
Microelectron. Res. Center, Georgia Inst. of Technol., Atlanta, GA, USA
fDate :
3/1/2003 12:00:00 AM
Abstract :
The fabrication of a colocated three-dimensional stacked thin-film device, which can be used for single-fiber bidirectional communication, has been demonstrated. A thin-film light-emitting diode (LED) with a diameter of 50 μm has been stacked on top of a thin-film inverted metal-semiconductor-metal (I-MSM) photodetector (PD) with a detecting diameter of 200 μm. Both devices in the stack have been tested, and the I-MSM PD in the PD/LED stack has a responsivity of 0.31 A/W, which is consistent with the theoretical analysis using a uniform illumination approximation.
Keywords :
infrared detectors; light emitting diodes; metal-semiconductor-metal structures; optical fabrication; optical fibre communication; optical receivers; optical transmitters; photodetectors; transceivers; 200 micron; 3-D bidirectional optical link; 50 micron; GaAs; I-MSM; InP; InP-based detectors; LED; colocated three-dimensional stacked thin-film device; detector; diameter; fabrication; responsivity; single-fiber bidirectional communication; stacked thin-film emitter; thin-film GaAs-based emitters; thin-film inverted metal-semiconductor-metal photodetector; thin-film light-emitting diode; uniform illumination approximation; Bidirectional control; Light emitting diodes; Lighting; Optical device fabrication; Optical fiber communication; Optical films; Photodetectors; Testing; Thin film devices; Transistors;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2002.807911
