Lasers built on silicon are a step towards fully integrated photonics
A group of researchers from the Cardiff University has demonstrated the first practical laser that has been grown directly on a silicon substrate. by Graham Prophet:
The lasing structure was formed in indium arsenide/gallium arsenide layers grown directly on a silicon substrate; the research group notes that previous work has involved wafer bonding techniques to merge electrical and optical (lasing) structures.
Lasers built on silicon are a step towards fully integrated photonics – [Link]
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