Abstract
High power and broadband superluminescent diodes (SLDs) would be useful for various optical sensing applications and for spectrum-sliced multi-wavelength light sources. We proposed and developed SLDs with a tapered active region. We present the design and fabrication of GaInAsP-InP strained QW SLDs with an optimized taper structure. Also, broad-band emission has been obtained by using chirped QW structures.
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