The electrically-driven topological laser prototype in the lab measures a tiny 4mm in length (IMAGE)

Nanyang Technological University

The electrically-driven topological laser prototype in the lab measures a tiny 4mm in length

Caption

The electrically-driven topological laser prototype in the lab measures a tiny 4mm in length. A Singapore 5 cent coin was placed above it for size comparison.

Credit

NTU Singapore

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