Title :
Efficient Membrane Grating Couplers on InP
Author :
Chen, Long ; Zhang, Liming ; Doerr, Christopher R. ; Dupuis, Nicolas ; Weimann, Nils G. ; Kopf, Rose F.
Author_Institution :
Alcatel-Lucent Bell Labs., Holmdel, NJ, USA
fDate :
6/15/2010 12:00:00 AM
Abstract :
We demonstrate an efficient coupler on InP using an etched grating on a suspended InGaAsP membrane. We measure a peak coupling efficiency of 40% (-4 dB) between a cleaved standard single-mode fiber and a conventional nonsuspended InGaAsP waveguide with a 3-dB bandwidth of ~45 nm.
Keywords :
III-V semiconductors; diffraction gratings; gallium arsenide; indium compounds; optical fibre couplers; optical planar waveguides; InGaAsP; InP; cleaved standard single-mode fiber; conventional nonsuspended waveguide; etched grating; membrane grating couplers; peak coupling efficiency; Integrated optics; optical coupling; optical planar waveguides;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2010.2047391
