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

專(zhuān)利號(hào)
US10868616B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
OptiPulse Inc.（US NM Albuquerque）
發(fā)明人
John Richard Joseph
IPC分類(lèi)
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(shuō)明書(shū)

FIG. 2 is a cutaway view of the laser chip shown by FIG. 1, where the single active mesa structure 1 shown by FIG. 1 is numbered as 11 in FIG. 2 and where the masked implant areas 2 shown by FIG. 1 are numbered as 12 in FIG. 2. FIG. 2 represents the chip after implant, and etch but no top metal. Etched region 13 isolates the single mesa structure 12 from the “frame” or N mesa 14 (where the single ground structure 4 from FIG. 1 is shown as the frame/N mesa 14 in FIG. 2). FIG. 2 shows:

    • 11 Implanted area of Single Active Mesa Structure isolating multiple lasing points
    • 12 Areas of the Epitaxy Masked from Implant which will produce lasing
    • 13 Etched isolation trench separating the Single Active Mesa Structure 11 and the Single Ground Structure 14
    • 14 Single Ground Structure
    • 15 Quantum wells between the top P mirror and the bottom N mirror—this is an active region where Photons are emitted
    • 16 N mirror which has N contact layer or highly doped layers for N metal electrical contact location
    • 17 Laser substrate

權(quán)利要求

1
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