- PQR(Photonic Quantum Ring) Laser -
- Microscope pictures of the PQR laser -
- Injection currents : (a) 3 §Ë, faint evanescent mode near transparancy ;
(b) 12§Ë, near the PQR threshold ;
(c) 11.5§Ì, right below the VCSEL threshold ;
(d) 12.2 §Ì, at the VCSEL threshold ;
(e) 12.5 §Ì.
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