The France international defender saw last season's exit at the hands of Bayern Munich act as a "trigger" for a 10-match unbeaten run and wants to excel in Europe next term
The centre-back scored the crucial goal on the last day of the season to fire the Gunners into fourth and, therefore, the competition's third qualifying round in 2013-14.
|25/1||Arsenal are 25/1 with Coral to win the Champions League
"The second leg of the Champions League against Bayern Munich was a trigger for us. In the process we won everything," Koscielny told La Montagne.
"The most important thing for Arsenal is to play in the Champions League. It is super exciting to play against the best teams in Europe."
As reported by Goal, Bayern and Barcelona have both made enquiries for the Frenchman but Koscielny insists he wishes to remain at Arsenal, whmo he joined in 2010 from Lorient.
"I have a four-year contact," added the 27-year-old. "For now, I am still at Arsenal."