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arXiv 1409.7698physics.optics
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用于纳米光子器件的高效光纤接口

Efficient fiber-optical interface for nanophotonic devices

T. G. Tiecke, K. P. Nayak, J. D. Thompson, T. Peyronel, N. P. de Leon, V. Vuletić, M. D. Lukin

摘要:

我们展示了一种用于将来自单模光纤的引导光有效耦合到纳米光子器件的方法。我们的方法利用单侧锥形锥形光纤,其在最后~10 μ m上渐逝地耦合到纳米光子波导。通过选择合适的锥度实现绝热模转移,单模光纤-波导耦合效率高达97(1)%。获得了有效的耦合,为广泛的设备的几何形状,无论是单夹在一个芯片上或连接到光纤,展示了集成纳米光子电路,量子光学和纳米级传感应用的一个很有前途的方法。

英文摘要:

We demonstrate a method for efficient coupling of guided light from a single mode optical fiber to nanophotonic devices. Our approach makes use of single-sided conical tapered optical fibers that are evanescently coupled over the last ~10 um to a nanophotonic waveguide. By means of adiabatic mode transfer using a properly chosen taper, single-mode fiber-waveguide coupling efficiencies as high as 97(1)% are achieved. Efficient coupling is obtained for a wide range of device geometries which are either singly-clamped on a chip or attached to the fiber, demonstrating a promising approach for integrated nanophotonic circuits, quantum optical and nanoscale sensing applications.

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