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On-chip optical pumping of nanowire emitters using transfer-printed micro-LEDs
Zhongyi Xia1, Dimitars Jevtics1, Benoit Guilhabert1
1Institute of Photonics, SUPA Department of Physics, University of Strathclyde,Glasgow G1 1RD, Scotland, United Kingdom.
Nanotechnology
|May 14, 2026
Summary
We developed a scalable method to control nanowire light emitters on-chip using micro-light-emitting diodes (LEDs). This technique enables high-density nanowire networks for future optical computing and communication applications.
Area of Science:
- Optoelectronics
- Nanotechnology
- Materials Science
Background:
- Semiconductor nanowires are promising for optoelectronic devices.
- Efficient on-chip addressing of individual nanowires remains a challenge.
- Existing methods often require complex external optics.
Purpose of the Study:
- To present a novel technique for scalable electro-optical addressing of nanowire emitters.
- To demonstrate the integration of micro-LEDs with nanowire emitters on a single chip.
- To enable localized and scalable excitation of nanowire networks.
Main Methods:
- Utilizing transfer-printed micro-LEDs for excitation.
- Integrating micro-LEDs with waveguide-coupled semiconductor nanowire emitters.
- Characterizing the modulation performance of individual nanowires at room temperature.
Main Results:
- Achieved scalable electro-optical on-chip addressing of nanowire emitters.
- Demonstrated small-signal modulation in the 10s of MHz range for individual nanowires.
- Showcased localized excitation without external optics.
Conclusions:
- The integration of micro-LEDs and nanowires provides a scalable solution for on-chip addressing.
- This technique facilitates the development of programmable, high-density nanowire networks.
- Opens new avenues for integrated photonic circuits and optical computing.
