Low-Phase-Aberration Output of 830 nm AlGaAs Offset-Coupled Laser Arrays
- 1 August 1989
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 28 (8A) , L1426
- https://doi.org/10.1143/jjap.28.l1426
Abstract
Phase-locked lasers with refractive-index waveguides have been developed. The elemental stripes of the laser are evanescently and offset coupled. A fundamental supermode operation in the 2/3-element laser arrays is achieved. The phase aberration is less than λ/14 (λ=830 nm). The output power of the laser array increases almost linearly up to 200 mW with an external differential slope efficiency of 0.75 W/A.Keywords
This publication has 11 references indexed in Scilit:
- Stable, single-(array)-mode operation from phase-locked, interferometric arrays of index-guided AlGaAs/GaAs diode lasersApplied Physics Letters, 1988
- Analysis of the stability of the highest-order supermode in semiconductor laser arraysElectronics Letters, 1987
- High-power (cw) in-phase locked ‘‘Y’’ coupled laser arraysApplied Physics Letters, 1986
- Phase front measurements of high-power diode lasers for optical systemsIEEE Journal of Quantum Electronics, 1986
- 0° phase mode operation in phased-array laser diode with symmetrically branching waveguideApplied Physics Letters, 1985
- Single-lobe symmetric coupled laser arraysElectronics Letters, 1985
- Efficient, frequency-stable laser-diode-pumped Nd:YAG laserOptics Letters, 1985
- Single-lobe phased-array diode lasersElectronics Letters, 1985
- Chirped arrays of diode lasers for supermode controlApplied Physics Letters, 1984
- Gain−induced guiding and astigmatic output beam of GaAs lasersJournal of Applied Physics, 1975