INGAASP INP VERTICAL DIRECTIONAL COUPLER FILTER WITH OPTIMALLY DESIGNED WAVELENGTH TUNABILITY/

Authors
WU C ROLLAND C SHEPHERD F LAROCQUE C PUETZ N CHIK KD XU JM
Citation
C. Wu et al., INGAASP INP VERTICAL DIRECTIONAL COUPLER FILTER WITH OPTIMALLY DESIGNED WAVELENGTH TUNABILITY/, IEEE photonics technology letters, 5(4), 1993, pp. 457-459
Citations number
8
Categorie Soggetti
Optics,"Physics, Applied
Journal title
IEEE photonics technology letters → ACNP
ISSN journal
10411135
Volume
5
Issue
4
Year of publication
1993
Pages
457 - 459
Database
ISI
SICI code
1041-1135(1993)5:4<457:IIVDCF>2.0.ZU;2-C
Abstract
A broad electrotuning range (> 73 nm) and narrow bandwidth (approximat ely 1.5 nm) InGaAsP/InP tunable directional coupler filter, employing two vertically coupled asymmetric ridge waveguides, has been designed and demonstrated. It operates with both current injection and electror efraction. This is the widest tuning range reported to date for a semi conductor wave-guide filter and is obtained with a moderate current le vel (approximately 1.1 kA/cm2). The tuning range can be extended to (> 80 nm) if the thermal tuning is included.