Optical Kerr nonlinear material for expressing the trigonometric ratios of compound angles

An innovative all-optical device is proposed to effectively express the trigonometric ratios of compound angles based on the fascinating intensity dependent changes of refractive index of a nonlinear material. The device has profound applications in numerous domains of research, such as astronomy, o...

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Bibliographic Details
Published in:Journal of optics (New Delhi) 2024-04, Vol.53 (2), p.892-905
Main Authors: Guchhait, Apurba, Pahari, Nirmalya, Manik, Nabin baran
Format: Article
Language:English
Subjects:
Astronomy
Beam combiners
Coders
Lasers
Light sources
Luminous intensity
Medical imaging
Oceanography
Optical Devices
Optical switching
Optics
Phonetics
Photonics
Physics
Physics and Astronomy
Refractivity
Research Article
Seismology
Subtraction
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Summary:An innovative all-optical device is proposed to effectively express the trigonometric ratios of compound angles based on the fascinating intensity dependent changes of refractive index of a nonlinear material. The device has profound applications in numerous domains of research, such as astronomy, oceanography, seismology, civil engineering, electronics, phonetics, medical imaging, and the development of computer music. Optical switch and optical Ternary Encoder play major role in this proposed device. To effectively execute this process, a single constant light source with a standardized intensity level ‘I’ has been strategically utilized, alongside multiple constant light sources, a beam combiner, and a beam splitter. In this scheme, different value of angles is represented by the different value of standard intensity level to express the trigonometric ratios of compound angles. Furthermore, in the proposed design, the output expression of the trigonometric ratios of compound angles are illustrated as the sum or subtraction of two outputs (2-bit ternary form) of two number of optical Ternary Encoders. As the proposed scheme is fully optical in nature, so this device can be employed in optical computation as well as photonic application.
ISSN:0972-8821
0974-6900
DOI:10.1007/s12596-023-01245-3