Etalon laser diode
AssigneeMcDonnell Douglas Corporation
InventorsLouis B. Allen, Jr., Herbert G. Koenig, Jr., Robert R. Rice
Life of this patent
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Abstract
A laser diode suitable for integrated and fiber optic applications requiring single transverse and single longitudinal mode operation. The single transverse mode is provided by making a gallium arsenide double heterostructural laser diode with a narrow stripe width and a relatively long length. The single longitudinal mode operation is provided by cracking the diode transverse to the stripe at one or more locations to form internal etalons in the laser cavity.
Claims19
A stripe geometry semiconductor laser diode for producing a light output, said diode being comprised of a body of semiconductor material having:
- first and second electrodes connected thereto;
- front and rear surfaces;
- optical cavity means in the form of a stripe, extending between said front and rear surfaces, said output of said diode emitting from said front surface thereof;
- and
- a first crack through said body generally parallel to said front and rear surfaces to form an etalon therein.
Dependencies are inferred from the claim text.