ECOC-2002 Copenhagen, Denmark
Telecom East Africe-2003 Kenya
OFC-2003 Atlanta, USA
ECOC-2004 Stockholm, Sweden
OFC-2005 Anaheim, USA
OFS-2005 Belgium
ECOC-2005 Glasgow, UK
Photonics West-2005 San Jose, USA
Farnborough Airshow-2006 UK