Coherent operation of injection-locked monolithic surface-emitting diode laser arrays

Jansen, M.; Yang, J. J.; Heflinger, L.; Ou, S. S.; Sergant, M.; Huang, J.; Wilcox, J.; Eaton, L.; Simmons, W.
June 1989
Applied Physics Letters;6/26/1989, Vol. 54 Issue 26, p2634
Academic Journal
A row of six surface-emitting GaAlAs laser diode arrays was locked in a coupled resonator configuration by means of interconnecting waveguides. An external master oscillator was injected into the first array in order to achieve single longitudinal mode operation and wavelength tunability. Spectral data show all six devices were locked in a single longitudinal mode, with tunable operation of over 60 Ã…. Far-field fringe visibilities greater than 60% were achieved at 100 mW output powers.


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