Y-junctions based on circular depressed-cladding waveguides fabricated with femtosecond pulses in Nd:YAG crystal: A route to integrate complex photonic circuits in crystals

• Published in: Optical materials Vol. 72; pp. 220 - 225
• Main Authors: Ajates, Javier G., Romero, Carolina, Castillo, Gabriel R., Chen, Feng, Vázquez de Aldana, Javier R.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.10.2017
• Subjects: Crystalline materials; Integrated photonic devices; Laser materials processing; Waveguides channeled; Crystalline materials; Waveguides channeled; Integrated photonic devices; Laser materials processing
• ISSN: 0925-3467; 1873-1252
• DOI: 10.1016/j.optmat.2017.06.014

We have designed and fabricated photonic structures such as, Y-junctions (one of the basic building blocks for construction any integrated photonic devices) and Mach-Zehnder interferometers, based on circular depressed-cladding waveguides by direct femtosecond laser irradiation in Nd:YAG crystal. Th...