Ciena (NYSE:CIEN) reported quarterly earnings of $1.64 per share which beat the analyst consensus estimate of $1.46 by 12.33 percent. This is a 290.48 percent increase over earnings of $0.42 per share from the same period last year. The company reported quarterly sales of $1.570 billion which beat the analyst consensus estimate of $1.505 billion by 4.30 percent. This is a 39.45 percent increase over sales of $1.126 billion the same period last year.