Figure 2From: Chirped InGaAs quantum dot molecules for broadband applicationsLow-temperature PL spectra of single QDM layers. 20-K PL spectra of (a) 2/25/z QDMs with z = 1, 2, or 2.5 ML and (b) 2/y/1.4 QDMs with y = 6, 10, or 25 ML. Spectra are offset and rescaled for clarity.Back to article page