Presentation
7 April 2023 First near-UV hybrid integrated laser in the Al2O3 platform
Cornelis Franken, Ward Hendriks, Meindert Dijkstra, Adriano do Nascimento Jr., Lisa Winkler, Albert van Rees, Soheila Mardani, Ronald Dekker, Joost van Kerkhof, Peter van der Slot, Sonia García-Blanco, Klaus Boller
Author Affiliations +
Abstract
Hybrid integrated diode lasers offer a robust and small-sized solution for applications in telecommunications, quantum optics and metrology due to their wide tunability and ultra-narrow linewidth. Here, we present the fabrication, packaging and successful operation of the first fully integrated, aluminum oxide (Al2O3) based, hybrid diode laser operating at 405 nm. Low-loss, high-confinement waveguides are fabricated with a measured propagation loss of only 2.8 ± 0.3 dB/cm. The hybrid laser consists of a GaN SLED butt-coupled to an Al2O3 feedback circuit comprising of two microring resonators that form a frequency selective Vernier filter. The chip assembly is packaged in a hermetically sealed, butterfly housing for optimal performance and durability. The laser shows a maximum output power of 0.74 mW and is tunable over the entire gain bandwidth of 4.4 nm.
Conference Presentation
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cornelis Franken, Ward Hendriks, Meindert Dijkstra, Adriano do Nascimento Jr., Lisa Winkler, Albert van Rees, Soheila Mardani, Ronald Dekker, Joost van Kerkhof, Peter van der Slot, Sonia García-Blanco, and Klaus Boller "First near-UV hybrid integrated laser in the Al2O3 platform", Proc. SPIE PC12424, Integrated Optics: Devices, Materials, and Technologies XXVII, PC124240A (7 April 2023); https://doi.org/10.1117/12.2657253
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KEYWORDS
Ultraviolet radiation

Semiconductor lasers

Photonic integrated circuits

Waveguides

Laser applications

Silicon

Wave propagation

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