Transverse magnetic mode nonreciprocal propagation in an amplifying AlGaInAs/InP optical waveguide isolator - art. no. 071115

被引：74

作者：

Van Parys, W

Moeyersoon, B

Van Thourhout, D

Baets, R

Vanwolleghem, M

Dagens, B

Decobert, J

Le Gouezigou, O

Make, D

Vanheertum, R

Lagae, L

机构：

[1] Univ Ghent, Dept Informat Technol, IMEC, B-9000 Ghent, Belgium

[2] Univ Paris 11, Inst Elect Fondamentale, F-91405 Orsay, France

[3] Alcatel CIT, F-91460 Marcoussis, France

[4] IMEC, B-3001 Louvain, Belgium

来源：

APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 07期

关键词：

D O I：

10.1063/1.2174106

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The design, fabrication, and characterization of an amplifying transverse magnetic (TM)-mode optical waveguide isolator operating at a wavelength of 1300 nm are presented. The magneto-optical Kerr effect induces nonreciprocal modal absorption in a semiconductor optical amplifier with a laterally magnetized ferromagnetic metal contact. Current injection in the active structure compensates for the loss in the forward propagation direction. Monolithic integration of this optical isolator configuration with active InP-based photonic devices is straightforward. The combination of AlGaInAs/InP active material and the metal alloy Co50Fe50 results in greatly improved performance. 99 dB/cm TM mode isolation and significantly reduced insertion loss are demonstrated.

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页数：3

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