Volume 03 Issue 10-2023
286
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
10
Pages:
286-292
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
A
BSTRACT
This article explores novel design concepts for modulators utilizing the APV (Anisotropic Photovoltaic)
effect.
K
EYWORDS
APV Elements, APV Effect, Photovoltaic, Ultrasonic Wave Source, Polarizer, Properties, Amorphous
Structure, Crystalline Structure.
I
NTRODUCTION
Functional devices are engineered on the
principles
of
functional
integration,
encompassing solid bodies that emulate the
functionalities of optoelectronic or radio-
electronic devices. In contrast to conventional
circuit electronics, these devices leverage specific
solid div properties to merge the functions of
various electric and optical circuit elements.
Functional devices offer superior potential for
enhancing
reliability
and
achieving
microminiaturization compared to integrated
circuits. This advantage stems from their
independence from the elements typically
required in integrated circuitry, resulting in fewer
local inhomogeneities within the solid div.
APV films are anisotropically deposited onto
substrates, introducing optical anisotropy. When
exposed to linearly polarized light under an
electric field perpendicular to the light's
propagation, the refractive indices change.
Journal
Website:
http://sciencebring.co
m/index.php/ijasr
Copyright:
Original
content from this work
may be used under the
terms of the creative
commons
attributes
4.0 licence.
Research Article
INNOVATIVE APPLICATIONS OF APV ELEMENTS IN
OPTOELECTRONICS
Submission Date:
October 20, 2023,
Accepted Date:
October 25, 2023,
Published Date:
October 30, 2023
Crossref doi:
https://doi.org/10.37547/ijasr-03-10-44
L.R. Dalibekov
Teacher, Department Of Telecommunication Engineering, Fergana Branch Of Tuit, Fergana, Uzbekistan
Volume 03 Issue 10-2023
287
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
10
Pages:
286-292
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
Consequently, the light's polarization plane
rotates by an angle proportional to the optical
path length, which can be adjusted by modifying
the electric field strength, allowing for a 90°
rotation.
Figure 1 illustrates the primary design of a
modulator operating based on the fundamental
APV effect. The amplitude of light passing through
the APV film is contingent on the rotation angle of
the polarization plane. Substituting the analyzer
with a double-beam refraction plate yields a
polarization or deflection system, which is highly
responsive to even minor field changes and
exhibits minimal inertia.
Figure 1: Block diagram of APV modulator.
LS - Light Source; P - Polarizer; D - Diaphragm; A - Analyzer; APV - APV Film; PC - Photocell; MD -
Measuring Device
Ultrasound can be employed to locally alter the
optical density of the APV film's substance,
effectively creating a diffraction grating. As light
traverses the grating, it changes direction due to
diffraction and wavelength reversal. By
manipulating the ultrasound frequency, the
deflection angle can be adjusted (see Figure 2).
Figure 2: Block diagram of a polariscope with an ultrasonic source.
LS - Light Source; P - Polarizer; D - Diaphragm; A - Analyzer; APV - APV Film; PC - Photocell; MD -
Measuring Device; USWS - Ultrasonic Wave Source
Volume 03 Issue 10-2023
288
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
10
Pages:
286-292
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
Additionally, by passing infrared (IR) light
through the APV film and applying a magnetic
field, the polarization plane can be rotated. An
analyzer or a double refraction plate can then be
used to modulate or deflect the light.
Furthermore, an electric field can alter the light
absorption limit of APV films, creating spectral
dependence (known as the Franz-Keldysh effect)
in APV-films. This effect enables direct
modulation of light within optical waveguides.
Figure 3 demonstrates the design of a modulator
using the APV film (APV2) as the electric field
source, simplifying the device's architecture and
rendering it non-volatile, thus eliminating the
need for an external power source.
Figure 3: Stand-alone non-volatile modulator.
LS - Light Source; P - Polarizer; D - Diaphragm; A - Analyzer; APV - APV Film; PC - Photocell; MD -
Measuring Device (Electrometer)
With these innovative applications of APV
elements in optoelectronics, there is immense
potential for advancing the field and developing
more efficient and compact devices.
In conclusion, the utilization of APV elements in
optoelectronics offers a pathway to usher in a
new era of functional devices with advanced
capabilities and compact form factors. As
research and development in this field continue
to progress, it is likely that we will witness the
emergence of even more groundbreaking
applications, ultimately revolutionizing the
landscape of optoelectronic technology.
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Volume 03 Issue 10-2023
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International Journal of Advance Scientific Research
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2750-1396)
VOLUME
03
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Pages:
286-292
SJIF
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(2021:
5.478
)
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5.636
)
(2023:
6.741
)
OCLC
–
1368736135
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