Title :
Single mode operation of 1.5 μm TM-mode waveguide optical isolators based on the nonreciprocal-loss phenomenon
Author :
Amemiya, T. ; Shimizu, H. ; Yokoyama, M. ; Hai, P.N. ; Tanaka, M. ; Nakano, Y.
Author_Institution :
Univ. of Tokyo, Tokyo
Abstract :
We developed a 1.5-mum-band, TM-mode waveguide optical isolator consisting of a semiconductor ridge waveguide combined with a ferromagnetic MnAs layer. The device shows single mode operation with an isolation ratio of 7.2 dB/mm at 1.53-1.55 mum wavelength.
Keywords :
magneto-optical isolators; ridge waveguides; semiconductor optical amplifiers; TM-mode waveguide optical isolators; nonreciprocal-loss phenomenon; semiconductor ridge waveguide; single mode operation; wavelength 1.5 mum; Indium phosphide; Isolators; Magnetooptic devices; Optical devices; Optical propagation; Optical waveguides; Propagation losses; Semiconductor optical amplifiers; Semiconductor waveguides; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452994
