1. Applied Physics Department, Gleb Wataghin Physics Institute, University of Campinas, Campinas 13083-859, SP, Brazil
2. Photonics Research Center, University of Campinas, Campinas 13083-859, SP, Brazil
3. Quantum Electronics Department, Gleb Wataghin Physics Institute, University of Campinas, Campinas 13083-859, SP, Brazil
4. Corning Research & Development Corporation, One Science Drive, Corning, New York 14830, USA