Fundamental transverse mode operation of a type-II vertical-external-cavity surface-emitting laser at 1.2 µm
Sign Up to like & getrecommendations! Published in 2017 at "Electronics Letters"
DOI: 10.1049/el.2016.3732
Abstract: The modal properties of a novel vertical-external-cavity surface-emitting laser with (GaIn)As/Ga(AsSb)/(GaIn)As type-II quantum wells are analysed. The device, emitting at a wavelength around 1175 nm, is operated in TEM00 mode and optimised for a high… read more here.
Keywords: surface emitting; emitting laser; vertical external; cavity surface ... See more keywords
Room-temperature operation of c-plane GaN vertical cavity surface emitting laser on conductive nanoporous distributed Bragg reflector
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0012281
Abstract: Technological feasibility of III-nitride vertical cavity surface emitting laser (VCSEL) has been hindered by the lack of an electrically conductive, easily manufacturable, wide reflection stop band distributed Bragg reflector (DBR). Here, we present the first… read more here.
Keywords: surface emitting; emitting laser; cavity surface; distributed bragg ... See more keywords
Mode Engineering in Linear Coherently Coupled Vertical-Cavity Surface-Emitting Laser Arrays
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2019.2950799
Abstract: The supermode tuning of coherent 3 × 1 vertical-cavity surface-emitting laser arrays are characterized and simulated. The array elements are resonantly tuned to achieve coherent operation using selective current injection. Depending on the electrical bias, multiple… read more here.
Keywords: emitting laser; vertical cavity; laser arrays; surface emitting ... See more keywords
Direct-focusing surface-emitting laser.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.447537
Abstract: Focusing is a fundamental optical technique that has been widely implemented via lenses. Here, we demonstrate direct focusing from a band-edge surface-emitting laser, whose emission area is 200 µm × 200 µm, without any lenses. To achieve… read more here.
Keywords: direct focusing; emitting laser; laser; beam ... See more keywords
Improvement of Optical Confinement for Terahertz Vertical-Cavity Surface-Emitting Laser with Square-Lattice Photonic Crystal Structure
Sign Up to like & getrecommendations! Published in 2023 at "Coatings"
DOI: 10.3390/coatings13060972
Abstract: A new method proposed to enhance the optical confinement of the terahertz band in a vertical cavity surface emitting laser involves introducing a square-lattice photonic crystal structure. This structure’s filling factor was optimized by computing… read more here.
Keywords: cavity; emitting laser; structure; surface emitting ... See more keywords