1.55 μm polarisation insensitive InGaAsP strained MQW optical amplifier integrated with short spot-size converters

Author

Sigogne, D. ; Ougazzaden, A. ; Meichenin, D. ; Mersali, B. ; Carenco, A. ; Simon, J.C. ; Valiente, I. ; Vassallo, C. ; Billes, L.

Author_Institution

France Telecom, CNET, Bagneux, France

Volume

32

Issue

15

fYear

1996

fDate

7/18/1996 12:00:00 AM

Firstpage

1403

Lastpage

1405

Abstract

The use of a 16 period strained multiquantum-well (MQW) structure associated with both tapers and windows yields high performance polarisation insensitive optical amplification. 23 dB fibre to fibre gain with small numerical aperture lensed fibres was achieved at 1.55 μm for 150 mA injected current with less than 0.5 dB ripple, and polarisation sensitivity lower than 1 dB. Output beams show reproducible reduced circular far-field divergence. These characteristics are of great interest for practical use of this component in a large number of applications

Keywords

III-V semiconductors; gallium arsenide; indium compounds; integrated optics; optical communication equipment; optical fibre communication; optical fibre polarisation; quantum well lasers; 1.55 micrometre; 150 mA; 23 dB; InGaAsP; circular far-field divergence; fibre to fibre gain; numerical aperture; polarisation insensitive optical amplification; short spot-size converters; strained MQW optical amplifier;

fLanguage

English

Journal_Title

Electronics Letters

Publisher

iet

ISSN

0013-5194

Type

jour

DOI

10.1049/el:19960904

Filename

511147