Highly birefringent ZBLAN photonic quasi-crystal fiber with four circular air holes in the core |
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| Institution: | 1. School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China;2. Key Laboratory of Micro-Inertial Instrument and Advanced Navigation Technology, Ministry of Education, Nanjing 210096, China;3. Suzhou Key Laboratory of Metal Nano-Optoelectronic Technology, Suzhou Research Institute of Southeast University, Suzhou 215123, China;4. School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China;1. Department of Electronics and Communication Engineering, National Institute of Technology Karnataka, Surathkal, India;2. School of Electronics Engineering, Vellore Institute of Technology, Vellore, India;1. Department of Information and Communication Technology, Mawlana Bhashani Science and Technology University, Santosh, Tangail 1902, Bangladesh;2. Group of Bio-photomatiχ, Santosh, Tangail 1902, Bangladesh;3. Department of Software Engineering, Daffodil International University, Sukrabad, Dhanmondi, Dhaka 1207, Bangladesh |
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| Abstract: | A highly birefringent ZBLAN photonic quasi-crystal fiber with a rectangular array of four relatively small circular air holes in the core region is proposed. Through optimizing fiber structure parameters using a full-vector finite-element method combined with perfectly matched layers boundary condition, its birefringence is up to 2.88 × 10?2 and the confinement losses of both polarized modes are less than 4.95 × 10?4 dB/m at 2 μm. To our knowledge, this is the first simulation study showing that a birefringence can be achieved with the order of 10?2 by all-circular-hole PQFs around 2 μm. |
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| Keywords: | Birefringence Photonic quasi-crystal fiber ZBLAN fiber |
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