What is it about?
We fabricated a microcavity based on porous silicon to provide optical feedback and lasing. We firstly fabricated the structure via simple electrochemical etching of a silicon wafer. Then we exploited the intrinsic porosity of the structure to infiltrate a well-known polyfluorene emitter that exhibits optical gain. The resulting device supports single mode lasing with a relatively low-threshold.
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Why is it important?
silicon photonics photonic communication photonics integrated circuit
Perspectives
This is the first example of a porous silicon structure supporting lasing action.
Dr Giuseppe Maria Paternò
Istituto Italiano di Tecnologia - Center for Nanoscience and Technology
Read the Original
This page is a summary of: Room-Temperature Low-Threshold Lasing from Monolithically Integrated Nanostructured Porous Silicon Hybrid Microcavities, ACS Nano, May 2018, American Chemical Society (ACS),
DOI: 10.1021/acsnano.8b00875.
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