Bloch oscillations in GaAs/AlGaAs superlattice: study for emitter design

Gintaras Valusis

doi:10.1117/12.517028

8 August 2003 Bloch oscillations in GaAs/AlGaAs superlattice: study for emitter design

Gintaras Valusis

Proceedings Volume 5123, Advanced Optical Devices, Technologies, and Medical Applications; (2003) https://doi.org/10.1117/12.517028
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

The study is addressed to the decay dynamics of Bloch oscillations in GaAs/Al_0.3Ga_0.7As superlattice as a function of temperature and excitation density - characteristics those are very important for an emitter design. It is demonstrated that in the both cases the coherence of the wave packets is mainly lost due to the interband dephasing of the system. It is shown that the intraband dephasing is nearly independent on temperature within 9K-80K; the increase of exictation densities up to 1.5 109 cm-2 has weak influence on the decay dynamics of the Bloch oscillations (the decay rate is found to be about 0.6 ps-1 within all studied range). Dc electric field driven Bloch emitter based on three terminal device containing semiconductor superlattice is suggested and discussed.

Citation Download Citation

Gintaras Valusis "Bloch oscillations in GaAs/AlGaAs superlattice: study for emitter design", Proc. SPIE 5123, Advanced Optical Devices, Technologies, and Medical Applications, (8 August 2003); https://doi.org/10.1117/12.517028

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