Vikram Sekar(@vikramskr):Sumitomo has some really interesting high power lasers, but none have made it into ELSFPs as far as I know. Instead of a single cavity approach like Lumentum, they use a lower-power DFB laser and then an optical amplifier. The trade-offs they have to make are, well, interesting. The latest report talks all about it.

Vikram Sekar

@vikramskr

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Vikram Sekar@vikramskr

2026.09.08 11:57

Sumitomo has some really interesting high power lasers, but none have made it into ELSFPs as far as I know. Instead of a single cavity approach like Lumentum, they use a lower-power DFB laser and then an optical amplifier. The trade-offs they have to make are, well, interesting. The latest report talks all about it.