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- Title
The Influence of Cavity Design on the Linewidth of Near-IR Single-Mode Vertical-Cavity Surface-Emitting Lasers.
- Authors
Blokhin, S. A.; Bobrov, M. A.; Kuz'menkov, A. G.; Blokhin, A. A.; Vasil'ev, A. P.; Guseva, Yu. A.; Kulagina, M. M.; Zadiranov, Yu. M.; Maleev, N. A.; Novikov, I. I.; Karachinsky, L. Ya.; Ledentsov, N. N.; Ustinov, V. M.
- Abstract
The studies of the emission linewidth for single-mode near-IR vertical-cavity surface-emitting lasers with an active region based on InGaAs/AlGaAs quantum wells and different optical microcavity design. For low mirror loss, lasers with a 1λ cavity and carrier injection through distributed Bragg reflectors demonstrate a linewidth of 70 MHz and its growth to 110 MHz with increasing mirror loss (corresponding differential of efficiency ~0.65 W/A). The design of the optical cavity with carrier injection through intracavity contacts and low-Q composition Bragg lattices reduces the linewidth to 40 MHz in spite of high mirror loss (corresponding differential efficiency of ~0.6 W/A).
- Subjects
SURFACE emitting lasers; NEAR infrared radiation; QUANTUM wells; DISTRIBUTED Bragg reflectors; LASER cavity resonators
- Publication
Technical Physics Letters, 2018, Vol 44, Issue 1, p28
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785018010042