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Semiconductor Photonic Nanocavity on a Paper Substrate
Sejeong Kim1, Hyojin Ko2, Chulwon Lee1
1Department of Physics, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, South Korea.
Advanced Materials (Deerfield Beach, Fla.)
|October 8, 2016
Summary
Researchers integrated semiconductor photonic nanocavities with paper, achieving lasing action on paper substrates. This breakthrough enables sustainable, eco-friendly sensing devices with high performance.
Area of Science:
- Materials Science
- Optoelectronics
- Nanotechnology
Background:
- Semiconductor photonic nanocavities are crucial for optical devices.
- Paper substrates offer a sustainable and low-cost alternative for device fabrication.
- Integrating active photonic components onto paper presents unique challenges and opportunities.
Purpose of the Study:
- To demonstrate the direct integration of semiconductor photonic nanocavities with paper substrates.
- To investigate the lasing performance of these devices on paper.
- To explore the potential of these integrated devices as sensors.
Main Methods:
- Fabrication of 1D photonic crystal nanocavities.
- Direct integration of nanocavities onto paper substrates.
- Characterization of optical properties and lasing action.
Main Results:
- Successful demonstration of lasing action from photonic crystal nanocavities on paper.
- High figure of merit observed for the photonic crystal cavities.
- Synergistic sensing capabilities due to paper's wicking ability and cavity's performance.
Conclusions:
- Direct integration of semiconductor photonic nanocavities with paper is feasible.
- The developed platform supports eco-friendly and sustainable photonic devices.
- The devices show promise for advanced sensing applications.
