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The photometric optimization for maximizing limited luminous efficacy (LLE) of correlated color temperature (CCT) tunable quantum dots (QDs) converted white light-emitting diode (LED) (QD-WLED) with green, yellow, and red QDs excited by a blue chip was developed under the constraints of the designated color rendering index (CRI) and color quality scale (CQS). The results show that CCT tunable (2700–6500...
We present a continuously tunable single-notch microwave photonic filter (MPF) using polarization processing of a nonsliced amplified spontaneous emission (ASE) source and a laser diode (LD). The ASE source is used to generate a single-passband MPF, whereas the LD is used to realize a broadband microwave photonic phase shifter (MPS). By destructive interfering between the single-passband MPF and the...
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