WIDELY TUNABLE LASER-DIODES WITH TAPERED INDEX PERTURBATIONS FOR REDUCED INTERNAL REFLECTIONS AND IMPROVED WAVELENGTH ACCESS

Authors
AMANN MC BORCHERT B ILLEK S STEFFENS W
Citation
Mc. Amann et al., WIDELY TUNABLE LASER-DIODES WITH TAPERED INDEX PERTURBATIONS FOR REDUCED INTERNAL REFLECTIONS AND IMPROVED WAVELENGTH ACCESS, Electronics Letters, 32(3), 1996, pp. 221-222
Citations number
10
Categorie Soggetti
Engineering, Eletrical & Electronic
Journal title
Electronics Letters → ACNP
ISSN journal
00135194
Volume
32
Issue
3
Year of publication
1996
Pages
221 - 222
Database
ISI
SICI code
0013-5194(1996)32:3<221:WTLWTI>2.0.ZU;2-I
Abstract
The wavelength selectivity of widely tunable laser diodes is usually t oo weak to enable access to all longitudinal modes. This is because in ternal reflections may randomly suppress individual modes. The authors show for codirectionally mode coupled lasers, that by tapering the in dex discontinuities, a marked reduction of the reflections by 2-4 orde rs of magnitude is possible without affecting the codirectional mode c oupling.