Phase-locked laser array

Details Phase-locked laser array Phase-locked laser array

1984-12-13

1987-09-08

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 48, 372 50, H01S 319

Patent

active

046929258

ABSTRACT:
A phase-locked laser array comprises a body of semiconductor material having means for defining a plurality of substantially parallel lasing zones which are spaced an effective distance apart so that the modes of the adjacent lasing zones are phase-locked to one another. One of the array electrodes comprises a plurality of electrical contacts to the body between the lasing zones. These contacts provide an enhanced current density profile and thus an increase in the gain in the regions between the lasing zones so that zero degree phase-shift operation between adjacent lasing zones is achievable.

REFERENCES:
patent: 3753801 (1973-08-01), Lockwood et al.
patent: 4347486 (1982-08-01), Botez
patent: 4385389 (1983-05-01), Botez
"High Power Phase-locked Arrays of Index-guided Diode Lasers", D. Botez et al., Applied Physics Letter, Dec. 15, 1983.
"Fundamental Mode Oscillation of a Buried Ridge Waveguide Laser Array", S. Mukai et al., Applied Physics Letter, Oct. 15, 1984.
"Coupled-mode Analysis of Phase-locked Injection Laser Arrays", J. K. Butler et al., Applied Physics Letter, Feb. 1, 1984.
"Single Longitudinal Mode Operation of High Power Multiple-stripe Injection Lasers", D. E. Ackley et al., Applied Physics Letter, Jan. 15, 1983.

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