| Autor: |
Oguz, Hasan, Yuksel, Zekeriya Mehmet, Karakilinc, Ozgur Onder, Berberoglu, Halil, Turduev, Mirbek, Kart, Sevgi Ozdemir, Adak, Muzaffer |
| Předmět: |
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| Zdroj: |
Optical & Quantum Electronics; Oct2024, Vol. 56 Issue 10, p1-13, 13p |
| Abstrakt: |
In this study, we explore the effect of integrated auxiliary rods at varying angles to the primary cavity rod on the dispersion characteristics of the photonic crystal coupled cavity waveguide (PC CCW). Here, it is intended to break the symmetry of the cavity region by introducing auxiliary rods which gives the degree of freedom for tuning effective index of the PC waveguide. Furthermore, rotational angle variations of auxiliary rods reveal slow light operation of the PC CCW where the group index is maximized and group velocity dispersion, as well as the third-order dispersion, are minimized. In addition, auxiliary rods with a broken symmetry increase not only group index but also operating bandwidth and accordingly increase group bandwidth product by 675%. Leveraging these results, we demonstrate effective rainbow trapping by manipulating the auxiliary rod angles in photonic crystal coupled cavity waveguides. Our results have encouraging implications for optical buffering, multiplexing, demultiplexing, advanced time-domain and spatial signal processing. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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