All-optical switching in an angled-grating semiconductor Bragg amplifier

Mira A. Franke, Herbert G. Winful

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We propose an all-optical switching element based on forward Bragg diffraction in a periodically corrugated semiconductor laser amplifier. The device geometry is similar to that of an angled-grating distributed-feedback (α-DFB) laser except that there is no reflective feedback. Light induced changes in the refractive index cause the output to switch from a cross state to a bar state with input power levels of only a few milliwatts.

Original languageEnglish
Pages (from-to)815-817
Number of pages3
JournalIEEE Photonics Technology Letters
Volume11
Issue number7
DOIs
StatePublished - Jul 1999

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