Photonic-crystal surface-emitting lasers in red wavelength range

Tsung-Yeh Ku; Chi-Hao Wang; Gray Lin

doi:10.1117/12.2647225

15 March 2023 Photonic-crystal surface-emitting lasers in red wavelength range

Tsung-Yeh Ku, Chi-Hao Wang, Gray Lin

Proceedings Volume 12431, Photonic and Phononic Properties of Engineered Nanostructures XIII; 124310I (2023) https://doi.org/10.1117/12.2647225
Event: SPIE OPTO, 2023, San Francisco, California, United States

Conference Poster

Abstract

Photonic-crystal (PC) surface-emitting lasers in red wavelength range are demonstrated without epitaxial regrowth in this work. Two-dimensional PCs were patterned and circular shaped holes were etched from GaAs contact down to AlInP cladding layers to form the “PC slab-on-substrate” structure. Indium-tin-oxide was then deposited to facilitate both electrical injection and optical transmission. The fabricated devices were characterized by pulsed current source. The lasing wavelength was around 664 nm at designed lattice period of 208 nm. The peak intensity was over 6 mW at peak current of 2.5 A. The far-field pattern exhibited dual lobes separated by 3.5 degree and the beam divergence perpendicular to the lobes was about 1 degree.

Citation Download Citation

Tsung-Yeh Ku, Chi-Hao Wang, and Gray Lin "Photonic-crystal surface-emitting lasers in red wavelength range", Proc. SPIE 12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, 124310I (15 March 2023); https://doi.org/10.1117/12.2647225

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