Effects of current spreading under oxide current aperture in vertical‐cavity surface‐emitting lasers

Autor:	P. Daniel Dapkus, Gye Mo Yang, M.H. MacDougal
Rok vydání:	1996
Předmět:	Materials science Aperture business.industry Oxide Physics::Optics General Physics and Astronomy Resonance Laser law.invention Semiconductor laser theory chemistry.chemical_compound chemistry law Physics::Accelerator Physics Optoelectronics Current (fluid) business Layer (electronics) Quantum well
Zdroj:	Journal of Applied Physics. 80:4837-4840
ISSN:	1089-7550 0021-8979
DOI:	10.1063/1.363525
Popis:	We discuss a buried oxide layer forming a current aperture in a vertical‐cavity surface‐emitting laser. The current spreading under the oxide current aperture leads to high threshold and dual‐longitudinal‐wavelength characteristics. One is the as‐grown cavity resonance and the other is the resonance wavelength under the oxide layer. This structure exhibits ≳30 dB side‐mode suppression throughout its operating range. Meanwhile, a single‐longitudinal‐wavelength laser with a minimized current spreading has a low threshold current of 85 μA and several nonlasing modes.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::e3f2d64108e33ba739ab492c6234a5e4 https://doi.org/10.1063/1.363525 Zobrazit plný text záznamu