Multi-stripe array grating integrated cavity laser

Details Multi-stripe array grating integrated cavity laser Multi-stripe array grating integrated cavity laser

1992-09-10

1994-09-27

Bovernick, Rodney B.

Coherent light generators

Particular resonant cavity

Specified cavity component

372 97, H01S 308

Patent

active

053512626

ABSTRACT:
An integrated, multi-wavelength laser having formed on a substrate (12) a plurality of active, individually selectable waveguides (14), a passive output waveguide (16), and a diffraction grating (18) formed in a Rowland-circle spectrometer geometry. The frequency of the lasing light is determined by-the geometrical relationship of the selected active waveguide, the diffraction grating, and the output waveguide. The active waveguides are positioned such that lasing light cannot diffract between two active waveguides. Little crosstalk occurs because no carrier depletion occurs in the output waveguide.

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