Ultra-Broadband Superluminescent Diodes (SLD)

Spectrum of Thorlabs dual-SLED source, with 200nm of FWHM Bandwidth.

Praevium Research, under funding from the National Cancer Institute, has developed 1300nm superluminescent diodes with a combination of high power and broad optical bandwidth.  These advances have been enabled by fundamental materials and gain region design innovations.

Commercial devices sold by partner Thorlabs (part numbers LS2000BSLD1325) provide >10 mW fiber-coupled power in conjunction with >100 nm bandwidth in single devices and >170nm in coupled pairs.

Handpicked devices that are from time to time available on the Thorlabs website can provide >20mW fiber-coupled power, and in some cases >200nm bandwidth from a coupled pair.

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