Fabrication of Polarization-Maintaining Photonic Crystal Fiber Coupler with Air Hole State Control Using CO2 Laser Irradiation Technique
نویسندگان
چکیده
Polarization-maintaining photonic crystal fiber couplers (PM-PCFCs) were fabricated using a CO2 laser irradiation technique. We could control the states of air holes in the tapered region of couplers by adjusting the laser power density in the fusion and the elongation processes. It was demonstrated that the air hole remaining PM-PCFC exhibited polarization-splitting characteristics and that the air hole collapsed PM-PCFC had polarization insensitive coupling characteristics. key words: photonic crystal fiber, polarization-maintaining fiber, optical fiber coupler, polarization dependent coupling characteristics, CO2 laser irradiation technique
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ورودعنوان ژورنال:
- IEICE Transactions
دوره 95-C شماره
صفحات -
تاریخ انتشار 2012