Journal article
Inline quantum-well waveguide photodetectors for the measurement of wavelength shifts
Abstract
A two-segment GaAs-InGaP-InGaAs p-i-n quantum-well waveguide photodiode has been fabricated and demonstrated to function as a sensitive wavelength monitor. The ratio of the two segments' photocurrents varies linearly with wavelength in a region near the absorption band edge. A wavelength sensitivity on the order of 1 pm was measured for input optical power levels above 30 /spl mu/W and signal averaging times of 0.2 s. An operating range from …
Authors
Wu X; Jessop PE; Bruce DM; Robinson BJ; Thompson DA
Journal
Journal of Lightwave Technology, Vol. 15, No. 12, pp. 2278–2283
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Publication Date
1997
DOI
10.1109/50.643556
ISSN
0733-8724