Open AccessLow-loss suspended quantum well waveguides
Author(s) -
Todd H. Stievater,
William S. Rabinovich,
D. Park,
Jacob B. Khurgin,
S. Kanakaraju,
C. J. K. Richardson
Publication year - 2008
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.002621
Subject(s) - optics , materials science , wavelength , surface micromachining , refractive index , optoelectronics , insertion loss , gallium arsenide , fabrication , physics , medicine , alternative medicine , pathology
We have used surface micromachining to fabricate suspended InGaAs/InGaAsP quantum well waveguides that are supported by lateral tethers. The average measured TE propagation loss in our samples is 4.1 dB/cm, and the average measured TE loss per tether pair is 0.21 dB. These measurements are performed at wavelengths in the optical L-band, just 125 nm below the quantum well band gap.