Recombination kinetics in polar InGaN/GaN structures with wide quantum wells

Jens W. Tomm; Artem Bercha; Grzegorz Muzioł; Witold Trzeciakowski

doi:10.1117/12.3000148

13 March 2024 Recombination kinetics in polar InGaN/GaN structures with wide quantum wells

Jens W. Tomm, Artem Bercha, Grzegorz Muzioł, Witold Trzeciakowski

Proceedings Volume 12905, Novel In-Plane Semiconductor Lasers XXIII; 1290503 (2024) https://doi.org/10.1117/12.3000148
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

We have investigated the kinetics of photoluminescence (PL) of so-called “wide” 25-nm In_0.17Ga_0.83N quantum wells (QW), where the studied 450 nm emission comes from excited states of the QW. These states are very closely separated and are therefore considered as a quasi-continuum of "bulklike" states. The recombination kinetics shows clear exponential behavior with time constants of 1...2 and 7...9 ns at 5 and 300 K, respectively, a behavior which indicates the dominance of radiative recombination. However, if the decay curves are resolved spectrally, a variety of kinetics is revealed, the appearance of which is likely determined by a slower energy relaxation of the photoexcited carriers in the "wide" QW. The results point to a route to improved polar optoelectronic device architectures based on “wide” QWs.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jens W. Tomm, Artem Bercha, Grzegorz Muzioł, and Witold Trzeciakowski "Recombination kinetics in polar InGaN/GaN structures with wide quantum wells", Proc. SPIE 12905, Novel In-Plane Semiconductor Lasers XXIII, 1290503 (13 March 2024); https://doi.org/10.1117/12.3000148

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available