interference oscillations
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Author(s):  
А.А. Маркварт ◽  
Л.Б. Лиокумович ◽  
Н.А. Ушаков

The article presents a fiber-optic sensor based on a singlemode-multimode-singlemode (SMS) structure for simultaneous measurement of strain and curvature. It is shown that the simultaneous demodulation of strain and curvature can be realized using the Fourier analysis of the recorded interference oscillations


2020 ◽  
Vol 77 (9) ◽  
pp. 797-801
Author(s):  
Tae-Ha Hwang ◽  
Hong-Seok Kim ◽  
Yasen Hou ◽  
Dong Yu ◽  
Yong-Joo Doh

ACS Nano ◽  
2020 ◽  
Vol 14 (10) ◽  
pp. 14118-14125
Author(s):  
Hong-Seok Kim ◽  
Tae-Ha Hwang ◽  
Nam-Hee Kim ◽  
Yasen Hou ◽  
Dong Yu ◽  
...  

Entropy ◽  
2020 ◽  
Vol 22 (7) ◽  
pp. 776
Author(s):  
Craig S. Lent

Quantum computation is often limited by environmentally-induced decoherence. We examine the loss of coherence for a two-branch quantum interference device in the presence of multiple witnesses, representing an idealized environment. Interference oscillations are visible in the output as the magnetic flux through the branches is varied. Quantum double-dot witnesses are field-coupled and symmetrically attached to each branch. The global system—device and witnesses—undergoes unitary time evolution with no increase in entropy. Witness states entangle with the device state, but for these blind witnesses, which-path information is not able to be transferred to the quantum state of witnesses—they cannot “see” or make a record of which branch is traversed. The system which-path information leaves no imprint on the environment. Yet, the presence of a multiplicity of witnesses rapidly quenches quantum interference.


2019 ◽  
Vol 19 ◽  
pp. 100354 ◽  
Author(s):  
K.S. Choudhari ◽  
Suresh D. Kulkarni ◽  
Unnikrishnan V.K. ◽  
Rajeev K. Sinha ◽  
Santhosh C. ◽  
...  

2013 ◽  
Vol 111 (5) ◽  
Author(s):  
E. Burzurí ◽  
F. Luis ◽  
O. Montero ◽  
B. Barbara ◽  
R. Ballou ◽  
...  

2009 ◽  
Vol 23 (12n13) ◽  
pp. 2943-2947
Author(s):  
S. WIEDMANN ◽  
G. M. GUSEV ◽  
O. E. RAICHEV ◽  
T. E. LAMAS ◽  
A. K. BAKAROV ◽  
...  

We report in detail oscillatory magnetoresistance in double quantum wells under microwave irradiation. The experimental investigation contains measurements of frequency, power and temperature dependence. In theory, the observed interference oscillations are explained in terms of the influence of subband coupling on the frequency-dependent photoinduced part of the electron distribution function. Thus, the magnetoresistance shows the interference of magneto-intersubband and conventional microwave induced resistance oscillations.


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