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"Capillary-Bridge Lithography" for Patterning Organic Crystals toward Mode-Tunable Microlaser Arrays
Jiangang Feng1, Xiangyu Jiang1, Xiaoxu Yan2
1Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
Advanced Materials (Deerfield Beach, Fla.)
|November 4, 2016
Summary
A new capillary-bridge lithography method patterns organic crystals and microrings. This technique enables tunable lasing emission from these precisely fabricated structures.
Area of Science:
- Materials Science
- Nanotechnology
- Optics
Background:
- Precise fabrication of 1D organic single crystals and micostructures is crucial for advanced optical devices.
- Existing patterning techniques face challenges in achieving high resolution and versatility for organic materials.
Purpose of the Study:
- To develop a novel and versatile lithography technique for patterning 1D organic single crystals and microring structures.
- To demonstrate the capability of the fabricated structures in achieving high-performance tunable lasing emission.
Main Methods:
- Development of a capillary-bridge lithography technique.
- Utilizing an interface with asymmetric wettability to control capillary bridge formation and dewetting.
- Fabrication of 1D organic single crystals and microring structures.
Main Results:
- Successful patterning of 1D organic single crystals and microring structures.
- Achieved high-performance Fabry-Pérot and whispering-gallery mode lasing emission.
- Demonstrated tunable lasing modes from the fabricated structures.
Conclusions:
- The developed capillary-bridge lithography is a versatile method for fabricating ordered organic nanostructures.
- The patterned structures support efficient and tunable laser emission, paving the way for novel organic photonic devices.
