Design of Ultra Compact Optical T Flip Flop in Two Dimensional Photonic Crystals

• Autorzy: Sonth Mahesh V , Jyoti B. , Gowre Sanjaykumar C , Soma Savita , Ansari Juhi Nishat

Identyfikatory

DOI

10.24425/ijet.2025.153562

• Języki publikacji: EN

Abstrakty

EN

The research in the field of quantum electronics is gaining more momentum over the solid state physics device design. In the proposed research we have designed an ultra compact optical T flip-flop in two dimensional (2-D) photonic crystals (PhCs) on a rectangular lattice with 16 × 9 dielectric rods in air configuration. The principle mechanism used here is adding an extra input called reference input to achieve logic high for no power applied at the input of T flip-flop. The two junctions are created for guiding the light wave towards the output. The reference input and one refractive index varied dielectric rod placed near the junction to confine the ouput power along with T input. At the junction of the input-output we have used the constructive and destructive interference method to achieve maximum light confinement in the output. The plane wave expansion (PWE) method is used to compute the photonic band gap (PBG) and the finite difference time domain (FDTD) method is used to analyze electromagnetic (EM) wave propagation inside the waveguides. The time for input arrival at the output also significantly improved with reduction in the chip size. The response time for the proposed T flip-flop is 0.0049 ps and contrast ratio achieved is 13.60 dB with a chip area of 49.5 μm2.

Słowa kluczowe

EN

T flip-flop; Photonic crystals; FDTD; PWE; Contrast ratio

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2025
• Tom: Vol. 71, No. 1
• Strony: 197--202
• Opis fizyczny: Bibliogr. 29 poz., tab., rys.

Twórcy

autor

Sonth Mahesh V

• School of Electrical and Communication Sciences, JSPM University, Maharashtra, India

• https://orcid.org/0000-0002-6855-7791

autor

Jyoti B.

• Department of ECE, Bheemanna Khandre Institute of Technology, Karnataka, India

autor

Gowre Sanjaykumar C

• School of Electrical & Communication Sciences, JSPM University Pune, Maharashtra, India

autor

Soma Savita

• Department of ECE, Guru Nanak Dev Engineering College, Karnataka, India

autor

Ansari Juhi Nishat

• Department of ECE, K.C.T. Engineering College, Karnataka, India

Bibliografia

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Uwagi

1. Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).

2. VGST, Bangalore, Karnataka State, India under award no. VGST/K-FIST (L1) (2014-15)/ (2015-16)/373 has supported this work.