High performance angled stripe superluminescent diode

Details High performance angled stripe superluminescent diode High performance angled stripe superluminescent diode

H - Electricity

01

S

345/50

H01S 5/10 (2006.01) H01S 5/20 (2006.01) H01S 5/22 (2006.01) H01L 33/00 (2006.01)

Patent

CA 1321255

CASE 3016 HIGH PERFORMANCE ANGLED STRIPE SUPERLUMINESCENT DIODE Abstract of the Disclosure There is provided a super luminescent light emitting device comprising a semiconductor body including a central region and two opposing end regions extending a predetermined distance from the end faces. A gain guiding linear strip of material adjacent to a side of the active region extends between the end faces and is inclined along its longitudinal axis at a predetermined angle relative to a direction normal to at least one of the end faces. An optical beam path of the device has an optical axis of symmetry extending between the end faces parallel to the longitudinal axis of the strip. The beam path has end lateral boundaries at each of the end regions whose lateral carrier and optical confinement is determined by the gain guiding strip to allow light reflected at the end faces to be refracted out of the optical beam path. The device includes index guiding structure extending on opposite sides of the gain guiding strip over the central region of the device parallel to the longitudinal axis of the gain guiding strip. The index guiding structure determines the central lateral boundaries for the optical beam path to provide lateral carrier and optical confinement of the optical beam path at the central region.

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