鍥介檯鍗婂浣撹涓氳憲鍚嶆潅蹇椼€奡emiconductor Today銆嬩笓鏍忔姤閬撻暱鍏夊崕鑺疺CSEL鏁堢巼杩涘睍
12/30
2024
鍥介檯鍗婂浣撹涓氳憲鍚嶆潅蹇椼€奡emiconductor Today銆嬩笓鏍忔姤閬撶敱鐜嬩繆鏁欐巿甯﹂鐨勫洓宸濆ぇ瀛﹀拰鑻忓窞闀垮厜鍗庤姱鐮旂┒鍥㈤槦鐨?ldquo;绾ц仈VCSEL锛氭彁鍗囧姛鐜囨晥鐜囩殑绐佺牬-瀹ゆ俯鎬ц兘濯茬編杈瑰彂灏勫櫒浠?rdquo;鎴愭灉銆侟/span>
銆奡emiconductor銆€Today銆嬫€婚儴浣嶄簬鑻卞浗锛屾槸鍥介檯鍗婂浣撹涓氳憲鍚嶆潅蹇楀拰缃戠珯锛屼笓娉ㄤ簬鎶ラ亾鍥介檯鍗婂浣撻鍩熺殑閲嶈鐮旂┒杩涘睍鍜屾渶鏂拌涓氬姩鎬侊紝鍏锋湁寰堝己鐨勮涓氬奖鍝嶅姏銆侟/p>
鍘熸枃缈昏瘧濡備笅锛欬/span>
涓浗鍥涘窛澶у鍜岃嫃宸為暱鍏夊崕鑺姤閬撲簡绾ц仈鍨傜洿鑵旈潰鍙戝皠婵€鍏夊櫒锛圴CSEL锛夊湪瀹ゆ俯涓嬪姛鐜囪浆鎹㈡晥鐜囷紙PCE锛夐珮杈 74%鐨勬垚鏋溿€侟a data-linktype="2" href="https://www.nature.com/articles/s41377-024-01403-7" imgurl="" linktype="text" tab="outerlink" target="_blank" textvalue=" [Xiao et al, Light: Science & Applications, v13, p60, 2024]"> [Xiao et al, Light: Science & Applications, v13, p60, 2024]
閫氳繃鍫嗗彔VCSEL锛岃璁捐瀹炵幇浜嗗厜瀛﹀鐩婄殑鎴愬€嶅鍔狅紝鏈夋晥鍏嬫湇浜嗙數闃诲強鍏朵粬闄愬埗鏁堢巼鐨勫唴閮ㄦ崯鑰椼€傚崟缁揤CSEL鐨勫姛鐜囨晥鐜囨€讳綋涓婁綆浜庤竟鍙戝皠婵€鍏夊櫒锛圗EL锛夈€傛嵁鐮旂┒浜哄憳浠嬬粛锛屽崟涓猇CSEL鍗曞厓鐨勫井鍒嗛噺瀛愭晥鐜囪秴杩?100%锛屽姞涓?4%鐨凱CE锛岃璁や负鏄縿浠婁负姝CSEL棰嗗煙鎶ラ亾鐨?ldquo;鏈€澶х數鍏夎浆鎹㈡晥鐜囧拰寰垎閲忓瓙鏁堢巼”銆傝繖涓€寰垎鏁堢巼鏄綋鍓嶆墍鏈夊崐瀵间綋婵€鍏夊櫒涓殑涓栫晫绾綍銆傝繖绉嶆€ц兘鏀硅繘涓鸿В鍐砎CSEL鍦ㄦ湭鏉ュ箍娉涘簲鐢ㄤ腑鐨勮兘鑰楅棶棰樻彁渚涗簡鏈夋晥鐨勮В鍐虫柟妗堛€傞珮鍔熺巼鍦ㄩ琛屾椂闂?ldquo;婵€鍏夐浄杈?rdquo;锛圠iDAR锛夌殑闀胯窛绂绘祴缁樹腑涔熷挨涓洪噸瑕併€傝嫃宸為暱鍏夊崕鑺厜鐢垫妧鏈偂浠芥湁闄愬叕鍙告垚绔嬩簬2012骞达紝鑷村姏浜庨珮鍔熺巼浜屾瀬绠℃縺鍏夎姱鐗囥€侀珮鏁堢巼LiDAR銆佷笁缁翠紶鎰熴€侀珮閫熷厜閫氫俊浠ュ強鐩稿叧鍏夌數绯荤粺鐨勭爺鍙戙€侟/p>
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绾ц仈VCSEL鐨勮璁★紙瑙佸浘1锛夊寘鍚玁鍨嬪垎甯冨竷鎷夋牸鍙嶅皠鍣紙N-DBR锛夈€丳鍨婦BR銆佸閲忓瓙闃憋紙MQWs锛夈€佹哀鍖栧眰浠ュ強闅ч亾缁擄紙TJs锛夈€傝璁$洰鏍囨槸灏嗛噺瀛愰槺缃簬椹绘尝鍏夊満鐨勫嘲鍊煎锛岃€屽皢姘у寲瀛斿拰闅ч亾缁撴斁缃湪娉㈣胺澶勩€傚綋閲忓瓙闃变綅浜庢渶澶у厜鍦哄己搴︽椂锛屽彲浠ユ彁鍗囪浇娴佸瓙涓庡厜瀛愪箣闂寸殑鑰﹀悎鏁堢巼锛屼粠鑰屽寮哄厜澧炵泭銆傞€氳繃灏嗛毀閬撶粨璁句簬娉㈣胺澶勶紝鍙噺灏戣嚜鐢辫浇娴佸瓙鍚告敹甯︽潵鐨勬崯鑰椼€侟/p>
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鍥?. VCSEL鍜岃竟鍙戝皠婵€鍏夊櫒鍔熺巼杞崲鏁堢巼鎬荤粨
杩滃満鍏夋枒鏄剧ず锛屽彂鏁h闅忕潃缁撴暟鐨勫鍔犺€屽澶с€傚叚缁揤CSEL绾ц仈鐨勫彂鏁h杈惧埌浜?8.8°銆傝緝澶х殑鍙戞暎瑙掑湪璁稿搴旂敤鍦烘櫙涓槸涓嶅埄鐨勶紝鍥犳鐜版湁鐢ㄤ簬LiDAR鐨勫缁揤CSEL閫氬父閫氳繃鍑忓皯姘у寲灞傜殑鏁伴噺鏉ュ噺灏忓彂鏁h銆傚湪2022骞寸殑鐮旂┒涓紝鎴戜滑鎶ラ亾浜嗛€氳繃浼樺寲姘у寲灞傝璁★紝鍦ㄧ煭鑴夊啿椹卞姩鐢垫祦涓嬶紝灏嗗叓缁揤CSEL鐨勫彂鏁h闄嶄綆鑷?8°銆俒1] 杩欎簺鍣ㄤ欢鐨勫彂灏勬尝闀胯寖鍥村湪940–950nm涔嬮棿銆傞殢鐫€缁撴暟鐨勫鍔狅紝婵€鍙戞ā寮忕殑鏁伴噺澧炲姞銆傚熀浜庡姛鑰楀垎鏋愶紝 鍔熺巼杞崲鏁堢巼闅忕潃缁撴暟澧炲姞鑰屾彁楂樼殑涓昏鍘熷洜鏄劍鑰崇儹鍑忓皯浠ュ強鑷敱杞芥祦瀛愬惛鏀跺紩璧风殑鍐呴儴鎹熻€楅檷浣庛€傚皢15缁撳櫒浠朵笌鍏朵粬宸叉姤閬撶殑鍗婂浣撴縺鍏夊櫒锛堝浘3锛夎繘琛屼簡瀵规瘮锛 杩欎笉浠呮樉钁楁彁楂樹簡杩囧幓20骞存潵VCSEL鐨勬晥鐜囷紝杩樹娇鍏跺湪瀹ゆ俯鏉′欢涓嬬殑鎬ц兘鍩烘湰杈惧埌浜咵EL鐨勬渶楂樺姛鐜囪浆鎹㈡晥鐜囨按骞炽€傚敖绠EL鍦ㄤ綆娓╀笅鐨凱CE杈惧埌86%锛屼絾鍏跺娓㏄CE涓?6%锛岃繖涓€姘村钩涓?5缁揤CSEL鐨?4%鎬ц兘鐩稿綋銆侟/p>
[1] High performance multi-junction VCSELs for LiDAR applications. in Proceedings of SPIE 12020, Vertical-Cavity Surface-Emitting Lasers XXVI 1202005 (SPIE, 2022).
鍘熸枃閾炬帴锛欬/p>
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