Silicon Nitride External Cavity Laser with Alignment Tolerant Multi-Mode RSOA-to-PIC Interface

• Published in: arXiv.org
• Main Authors: Ghannam, Ibrahim, Shen, Bin, Merget, Florian, Witzens, Jeremy
• Format: Paper
• Language: English
• Published: Ithaca Cornell University Library, arXiv.org 01.07.2021
• Subjects: Alignment; Couplers; External-cavity lasers; Integrated circuits; Lasers; Misalignment; Quadratures; Semiconductor optical amplifiers; Semiconductors; Silicon nitride; Waveguides

We demonstrate an external cavity laser formed by combining a silicon nitride photonic integrated circuit with a reflective semiconductor optical amplifier. The laser uses an alignment tolerant edge coupler formed by a multi-mode waveguide splitter right at the edge of the silicon nitride chip that...