High Magnitude Spin-Dependent Shift and Field Enhancement in BaTiO3-Based Plasmonics for Quantum Photonic Applications
This research investigates the integration of photonic spin-orbit interaction (SOI) with plasmonic phenomenon using Barium Titanate (BaTiO3) as the active material. A remarkable transverse spin-dependent shift (SDS) of <inline-formula> <tex-math notation="LaTeX">838~\boldsymbol...
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| Vydáno v: | IEEE journal of quantum electronics Ročník 61; číslo 5; s. 1 - 8 |
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| Hlavní autoři: | , , , , |
| Médium: | Journal Article |
| Jazyk: | angličtina |
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New York
IEEE
01.10.2025
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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| ISSN: | 0018-9197, 1558-1713 |
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| Abstract | This research investigates the integration of photonic spin-orbit interaction (SOI) with plasmonic phenomenon using Barium Titanate (BaTiO3) as the active material. A remarkable transverse spin-dependent shift (SDS) of <inline-formula> <tex-math notation="LaTeX">838~\boldsymbol {\mu }\mathbf {m} </tex-math></inline-formula> is demonstrated-approximately 28 times larger than that observed in conventional plasmonic material such as silver (Ag). The study further explores the interplay between the enhanced electric field and spin-dependent splitting under resonance conditions, revealing that the resonance angle is strongly influenced by both SDS magnitude and field enhancement. Leveraging this enhanced spin-based interaction, we demonstrate the potential for quantum-enabled optical device design, including an optical differentiator and a high-sensitivity sensor. The proposed differentiator structure exhibits a power weight of 414.96 for the co-polarized (V-V) component and 0.35 for the cross-polarized (V-H/H-V) component. Moreover, the photonic spin-based sensor architecture achieves a sensitivity enhancement of <inline-formula> <tex-math notation="LaTeX">\sim~52\times </tex-math></inline-formula> compared to a standard plasmonic system at a refractive index of 1.33. These findings establish BaTiO3-integrated plasmonic platforms as promising candidates for advanced spin-based photonic devices in the realm of quantum technologies. |
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| AbstractList | This research investigates the integration of photonic spin-orbit interaction (SOI) with plasmonic phenomenon using Barium Titanate (BaTiO3) as the active material. A remarkable transverse spin-dependent shift (SDS) of <inline-formula> <tex-math notation="LaTeX">838~\boldsymbol {\mu }\mathbf {m} </tex-math></inline-formula> is demonstrated-approximately 28 times larger than that observed in conventional plasmonic material such as silver (Ag). The study further explores the interplay between the enhanced electric field and spin-dependent splitting under resonance conditions, revealing that the resonance angle is strongly influenced by both SDS magnitude and field enhancement. Leveraging this enhanced spin-based interaction, we demonstrate the potential for quantum-enabled optical device design, including an optical differentiator and a high-sensitivity sensor. The proposed differentiator structure exhibits a power weight of 414.96 for the co-polarized (V-V) component and 0.35 for the cross-polarized (V-H/H-V) component. Moreover, the photonic spin-based sensor architecture achieves a sensitivity enhancement of <inline-formula> <tex-math notation="LaTeX">\sim~52\times </tex-math></inline-formula> compared to a standard plasmonic system at a refractive index of 1.33. These findings establish BaTiO3-integrated plasmonic platforms as promising candidates for advanced spin-based photonic devices in the realm of quantum technologies. This research investigates the integration of photonic spin-orbit interaction (SOI) with plasmonic phenomenon using Barium Titanate (BaTiO3) as the active material. A remarkable transverse spin-dependent shift (SDS) of [Formula Omitted] is demonstrated—approximately 28 times larger than that observed in conventional plasmonic material such as silver (Ag). The study further explores the interplay between the enhanced electric field and spin-dependent splitting under resonance conditions, revealing that the resonance angle is strongly influenced by both SDS magnitude and field enhancement. Leveraging this enhanced spin-based interaction, we demonstrate the potential for quantum-enabled optical device design, including an optical differentiator and a high-sensitivity sensor. The proposed differentiator structure exhibits a power weight of 414.96 for the co-polarized (V–V) component and 0.35 for the cross-polarized (V–H/H–V) component. Moreover, the photonic spin-based sensor architecture achieves a sensitivity enhancement of [Formula Omitted] compared to a standard plasmonic system at a refractive index of 1.33. These findings establish BaTiO3-integrated plasmonic platforms as promising candidates for advanced spin-based photonic devices in the realm of quantum technologies. |
| Author | Kumar, Ajit Srivastava, Rupam Kumar, Vinit Prajapati, Yogendra Kumar Sharma, Anuj K. |
| Author_xml | – sequence: 1 givenname: Vinit surname: Kumar fullname: Kumar, Vinit email: vinit.2021rel15@mnnit.ac.in organization: Department of Electronics and Communication Engineering, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, India – sequence: 2 givenname: Ajit orcidid: 0009-0003-6640-7700 surname: Kumar fullname: Kumar, Ajit email: ajitkumar.rs.ece24@itbhu.ac.in organization: Department of Electronics Engineering, Indian Institute of Technology Banaras Hindu University (IIT-BHU), Varanasi, Uttar Pradesh, India – sequence: 3 givenname: Rupam surname: Srivastava fullname: Srivastava, Rupam email: rupamsrivastava@mitsgwalior.in organization: Centre for Internet of Things, Madhav Institute of Technology and Science-Deemed University (MITS-DU), Gwalior, Madhya Pradesh, India – sequence: 4 givenname: Anuj K. orcidid: 0000-0003-4899-7113 surname: Sharma fullname: Sharma, Anuj K. email: anujsharma@nitdelhi.ac.in organization: Department of Applied Sciences, Physics Division, National Institute of Technology at Delhi, Delhi, India – sequence: 5 givenname: Yogendra Kumar orcidid: 0000-0002-6752-5667 surname: Prajapati fullname: Prajapati, Yogendra Kumar email: yogendrapra@mnnit.ac.in organization: Department of Electronics and Communication Engineering, Motilal Nehru National Institute of Technology Allahabad, Prayagraj, India |
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| SubjectTerms | barium titanate Barium titanates Biomedical optical imaging Differentiators Electric fields Image edge detection optical differentiator Optical imaging Optical polarization Optical sensors Optical variables control photonic spin Hall effect Photonics plasmon plasmonic sensor Plasmonics Plasmons Refractivity Resonance Sensitivity enhancement Silver Spin-orbit interaction Spin-orbit interactions Zirconium |
| Title | High Magnitude Spin-Dependent Shift and Field Enhancement in BaTiO3-Based Plasmonics for Quantum Photonic Applications |
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