Title :
Photon-counting optical time-domain reflectometer using a planar InGaAsP avalanche detector
Author :
Bethea, C.G. ; Levine, B.F. ; Marchut, L. ; Mattera, V.D. ; Peticolas, L.J.
Author_Institution :
AT&T Bell Laboratories, Murray Hill, USA
Abstract :
We demonstrate the first room-temperature photon-counting optical time-domain reflectometer, which uses a planar InGaAsP avalanche photodiode. Using a 1.3 ¿m semiconductor laser source we achieve a one-way loss sensitivity of 20 dB.
Keywords :
III-V semiconductors; avalanche photodiodes; gallium arsenide; indium compounds; optical variables measurement; photon counting; time-domain reflectometry; III-V semiconductors; optical time-domain reflectometer; photon counting; planar InGaAsP avalanche photodiode; semiconductor laser source; sensitivity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860206
