Frequency shift keying using photonic crystal based ring cavity resonator.
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| Title: | Frequency shift keying using photonic crystal based ring cavity resonator. |
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| Authors: | Saha, Debashri1 (AUTHOR) debashrisaha.2011@gmail.com, Dey, Ayan1 (AUTHOR), Mukhopadhyay, Sourangshu1 (AUTHOR) |
| Source: | Optical & Quantum Electronics. Sep2024, Vol. 56 Issue 9, p1-28. 28p. |
| Subjects: | Frequency shift keying, Semiconductor optical amplifiers, Image processing, Photonic band gap structures, Cavity resonators |
| Abstract: | Photonic Band Gap (PBG) crystals have shown their significant role in optical data processing. Again it is seen that in optical communication and computation, Frequency Shift Keying (FSK) can extend a potential application. In PBG also the FSK can show its usefulness. The main novelty of the proposed work is the implementation of an optical FSK system designed on a 2D PBG crystal. The proposed structure contains a square-shaped lattice formed by GaAsInP-doped rods placed in an air-based substrate along with photonic crystal-based Semiconductor Optical Amplifiers (pc-SOAs). The authors also presented a theoretical model that successfully demonstrates the operation of the FSK system in the optical domain with simulation experiment. This work uses a moderate input light power and operates at a very high-speed (Tbps). Here, a ring cavity resonator with a constant biasing signal is incorporated to realize the FSK model. The intensity-encoded Boolean signal and the photonic crystal-based two Semiconductor Optical Amplifiers (pc-SOAs) are used here to establish the FSK scheme where the Boolean 1 (presence of optical signal) is encoded by another light having a frequency υ1 and the Boolean 0 (absence of light) is encoded by another frequency of light υ2. As the FSK is developed in the optical domain using the switching character of PBG, hence a moderate light power is enough to conduct this implementation. In this communication, the optical FSK is designed and analyzed by a simulation process with Finite-Difference-Time-Domain (FDTD) and Plane Wave Expansion (PWE) techniques. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Photonic Band Gap (PBG) crystals have shown their significant role in optical data processing. Again it is seen that in optical communication and computation, Frequency Shift Keying (FSK) can extend a potential application. In PBG also the FSK can show its usefulness. The main novelty of the proposed work is the implementation of an optical FSK system designed on a 2D PBG crystal. The proposed structure contains a square-shaped lattice formed by GaAsInP-doped rods placed in an air-based substrate along with photonic crystal-based Semiconductor Optical Amplifiers (pc-SOAs). The authors also presented a theoretical model that successfully demonstrates the operation of the FSK system in the optical domain with simulation experiment. This work uses a moderate input light power and operates at a very high-speed (Tbps). Here, a ring cavity resonator with a constant biasing signal is incorporated to realize the FSK model. The intensity-encoded Boolean signal and the photonic crystal-based two Semiconductor Optical Amplifiers (pc-SOAs) are used here to establish the FSK scheme where the Boolean 1 (presence of optical signal) is encoded by another light having a frequency υ1 and the Boolean 0 (absence of light) is encoded by another frequency of light υ2. As the FSK is developed in the optical domain using the switching character of PBG, hence a moderate light power is enough to conduct this implementation. In this communication, the optical FSK is designed and analyzed by a simulation process with Finite-Difference-Time-Domain (FDTD) and Plane Wave Expansion (PWE) techniques. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 03068919 |
| DOI: | 10.1007/s11082-024-07339-x |
