Photoluminescence scanning near-field optical microscopy of GaAlAs/GaAs quantum wells

Dana Kostalova; Lubomir Grmela; Pavel Tomanek; Jitka Bruestlova

doi:10.1117/12.498657

8 July 2003 Photoluminescence scanning near-field optical microscopy of GaAlAs/GaAs quantum wells

Dana Kostalova, Lubomir Grmela, Pavel Tomanek, Jitka Bruestlova

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498657
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

Abstract

Submicron spatial resolution photoluminescence is used to assess radiative efficiency and spatial uniformity of GaAlAs/GaAs heterojunctions. Room temperature photo-luminescence of multiple GaAlAs wells with GaAs barriers was measured as a function of a facet of device perpendicular to the layer structure. The scanning near-field optical microscope is applied for the diagnostics of the defects in semiconductor devices for instance in a multiple quantum well grown by molecular beam epitaxy. Our high resolution studies reveal that the radiative recombination for the GaAlAs quantum well is approx. 50 times more efficient than for the underlying GaAs film. The comparison of the Far-field and Near-field characteristics of measured quantities are also given.

Citation Download Citation

Dana Kostalova, Lubomir Grmela, Pavel Tomanek, and Jitka Bruestlova "Photoluminescence scanning near-field optical microscopy of GaAlAs/GaAs quantum wells", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498657

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