Monolithically p-down nitride laser diodes and LEDs obtained by MBE using buried tunnel junction design

Henryk Turski; Shyam Bharadwaj; Marcin Siekacz; Grzegorz Muziol; Mikolaj Chlipala; Mikolaj Zak; Mateusz Hajdel; Krzesimir Nowakowski-Szkudlarek; Szymon Stanczyk; Huili Xing; Debdeep Jena; Czeslaw Skierbiszewski

doi:10.1117/12.2548996

16 February 2020 Monolithically p-down nitride laser diodes and LEDs obtained by MBE using buried tunnel junction design

Henryk Turski, Shyam Bharadwaj, Marcin Siekacz, Grzegorz Muziol, Mikolaj Chlipala, Mikolaj Zak, Mateusz Hajdel, Krzesimir Nowakowski-Szkudlarek, Szymon Stanczyk, Huili Xing, Debdeep Jena, Czeslaw Skierbiszewski

Author Affiliations +

Proceedings Volume 11280, Gallium Nitride Materials and Devices XV; 1128010 (2020) https://doi.org/10.1117/12.2548996
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

New approach towards efficient light emission with bottom-tunnel junctions is developed. The bottom-tunnel junction design aligns the polarization fields in a desired direction in the vicinity of quantum well, while simultaneously eliminating the need for p-type contacts, and allowing efficient current spreading. By preventing electron overshoot past quantum wells, it disables carrier recombination in undesired regions of the heterostructures, increasing injection efficiency and opening new possibilities in heterostructure design. InGaN-based buried-tunnel junction is used to construct first monolithically grown p-type-down laser diode on n-type, Ga-polar bulk GaN substrate. Unique advantages of such construction that enables to separate design of carrier injection and optical mode confinement for such laser diode structures is discussed.

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Henryk Turski, Shyam Bharadwaj, Marcin Siekacz, Grzegorz Muziol, Mikolaj Chlipala, Mikolaj Zak, Mateusz Hajdel, Krzesimir Nowakowski-Szkudlarek, Szymon Stanczyk, Huili Xing, Debdeep Jena, and Czeslaw Skierbiszewski "Monolithically p-down nitride laser diodes and LEDs obtained by MBE using buried tunnel junction design", Proc. SPIE 11280, Gallium Nitride Materials and Devices XV, 1128010 (16 February 2020); https://doi.org/10.1117/12.2548996

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