Mode locking in monolithic two-section InGaN blue-violet semiconductor lasers
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Vasil'ev, Peter P.
Sergeev, A. B.
Smetanin, Igor V.
Schwarz, Ulrich T.
Passive mode-locked pulses with repetition frequencies in the range 40 to 90?GHz were observed in blue-violet GaN-based quantum-well lasers without external cavities. The lasers had two-section geometry with built-in saturable absorber section. The individual pulses had durations as short as 3–5 ps at peak powers of around 320 mW.
Applied Physics Letters, vol. 102 (12), pp. 121115