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Method and apparatus for alignment of a line-of-sight communications link

專利號(hào)
US10868616B2
公開日期
2020-12-15
申請(qǐng)人
OptiPulse Inc.（US NM Albuquerque）
發(fā)明人
John Richard Joseph
IPC分類
H04B10/112; H04B10/073; H04B10/116; H04B10/50
技術(shù)領(lǐng)域
laser,mesa,waveguide,optical,gsg,lasing,array,structure,contact,emitting
地域： NM NM Albuquerque

摘要

Techniques are disclosed for aligning an optical transmitter with an optical receiver for a line-of-sight communications link, wherein the optical transmitter comprises a laser array emitter, the laser array emitter comprising a plurality of laser emitting regions, wherein each of a plurality of the laser emitting regions is configured to emit laser light in a different direction such that the laser array emitter is capable of emitting laser light in a plurality of different directions. The system can run produce emissions from different laser emitting regions until a laser emitting region that is in alignment with the optical receiver is found. This aligned laser emitting region can then be selected for use to optically communicate data from the optical transmitter to the optical receiver.

說明書

FIG. 20 shows a tenth embodiment. FIG. 20 illustrates that an extended cavity laser design can be implemented using the single grid structure by reducing the reflectivity of the N epitaxial output mirror 230 to a point where it will not lase, then adding the reflectivity to a reflective surface 231 on the back of the lasing grid which extends the cavity. This structure reduces feedback of the higher mode structure 233 in the cavity, thereby forming a more fundamental mode structure for the output beam 235 from the grid. FIG. 20 shows:

    • 230 Arrow pointing to incomplete N output mirror epitaxial region.
    • 231 Reflective region made of dielectrically layers with varying indexes of refraction.
    • 232 Cavity of laser beam now includes laser wafer material extending the cavity for modal rejection.
    • 233 Reflected higher order modes which are not reflected back into the cavity
    • 234 Single or lower order modes in the cavity
    • 235 single or lower order modes outputted from the Extended Cavity Device

Embodiment 11 for US Pat App Pub 2017/0033535

權(quán)利要求

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