自组装模板法制备可调谐共振光学MicroCavities
Tunable Resonant Optical MicroCavities by Self-Assembled Templating
摘要：
利用模板球自组装和电化学生长相结合的方法制备了纳米级光学腔。可调谐微腔的透射率测量显示出尖锐的谐振模式，Q因子>300，并且光强度局部增强25倍。横向光学模式的存在证实了光子的横向限制。计算表明亚微米模体积是可行的。这些微腔的小模体积有望在微激光器、原子光学、量子信息、生物光子学和单分子检测等方面得到广泛的应用。
英文摘要：
Micron-scale optical cavities are produced using a combination of template sphere self-assembly and electrochemical growth. Transmission measurements of the tunable microcavities show sharp resonant modes with a Q-factor>300, and 25-fold local enhancement of light intensity. The presence of transverse optical modes confirms the lateral confinement of photons. Calculations show sub-micron mode volumes are feasible. The small mode volume of these microcavities promises to lead to a wide range of applications in microlasers, atom optics, quantum information, biophotonics and single molecule detection.
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