Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session N54: Nonlinear Systems and Interactions
11:30 AM–1:18 PM,
Wednesday, March 6, 2024
Room: 203AB
Sponsoring
Unit:
DAMOP
Chair: Chandra M. Adhikari, Fayetteville State University
Abstract: N54.00002 : Revealing Optical Bistability and Multistability in a cavity including two coupled quantum Wells
11:42 AM–11:54 AM
Presenter:
hichem Eleuch
(University of Sharjah)
Authors:
hichem Eleuch
(University of Sharjah)
Houssem Jabri
(Higher Institute of Biotechnology of Beja, University of Jendouba)
pumped by a squeezed light. Our findings highlight the importance of frequency detunings relative to
direct and indirect excitons in generating bistability, which are predominantly impacted by Kerr effects.
Furthermore, we show that the presence of multistable behavior in excitonic and photonic intensities is
due to the interplay of second- and third-order nonlinearities.
In addition, we analyze the controllability of transitioning between bistability and multistability.
The amplitude of the squeezed light or the frequency detuning between the external coherent drive and
the cavity can be utilized to adjust this transition. We notice that the tunneling phenomenon has a dual
effect, promoting or inhibiting the establishment of bistability and multistability. The outcome is
determined on whether direct or indirect exciton nonlinearities are considered.
The transition between bistability and multistability can be controlled by changing the tunneling rate
between the wells which is dependent on the distance separating the two quantum wells inside the
cavity.
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