Figure | Probing the feedback limits of quantum dot lasers. (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Figure | Probing the feedback limits of quantum dot lasers.

Caption

Figure | Probing the feedback limits of quantum dot lasers.  (a) Experimental setup enabling optical feedback up to 0 dB. (b) Representative measurements capturing the onset of coherence collapse. (c) Stable high-speed transmission demonstrated near the collapse boundary. (d) Modeled feedback tolerance for realistic photonic integrated circuit cavity lengths.

Credit

Yating Wan et al.

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