28 May 2004 Side-coupled in-line fiber-semiconductor laser
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A novel semiconductor-fiber laser is proposed that would greatly reduce the alignment and packaging complexity of fiber-coupled semiconductor laser systems. As opposed to conventional butt-coupled edge-emitter/fiber packages, these new devices use the evanescent light to efficiently couple light between the fiber and the semiconductor waveguide. Here, an Anti-Resonant Reflective Optical Waveguide (ARROW) is fabricated on an MBE-grown GaAs wafer and is designed to resonate with the mode of the fiber at the operating wavelength. The coupling mechanism provides an inherent wavelength filter that would allow single-mode operation of the laser, without any Bragg grating. Part of the laser cavity and one of the laser mirrors are located in the fiber while the active region and the other mirror are realized in the semiconductor. Simulations of various performance parameters of these devices and the fabrication processes will be described. Initial experimental data will also be presented.
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Alireza Khalili, Alireza Khalili, Mark A. Wistey, Mark A. Wistey, James S. Harris, James S. Harris, } "Side-coupled in-line fiber-semiconductor laser", Proc. SPIE 5355, Integrated Optics: Devices, Materials, and Technologies VIII, (28 May 2004); doi: 10.1117/12.532111; https://doi.org/10.1117/12.532111

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