{"id":238673,"date":"2022-10-26T06:35:12","date_gmt":"2022-10-26T06:35:12","guid":{"rendered":"\/forum\/forums\/topic\/ring-resonator\/"},"modified":"2022-10-26T06:35:12","modified_gmt":"2022-10-26T06:35:12","slug":"ring-resonator","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/ring-resonator\/","title":{"rendered":"Ring resonator \uad6c\uc870\uc5d0\uc11c \uad74\uc808\ub960\uacfc \uacf5\uc9c4\ud30c\uc7a5\uc5d0 \ub300\ud55c \uc9c8\ubb38"},"content":{"rendered":"
FDTD simulation\uc744 \ud65c\uc6a9\ud558\uc5ec resonator\uc5d0\uc11c \ube5b\uc758 \uacf5\uc9c4\ud30c\uc7a5\uc744 \ud30c\uc545\ud558\ub294 \uc2dc\ubb3c\ub808\uc774\uc158\uc744 \uc9c4\ud589\ud558\uace0 \uc788\uc73c\uba70, <\/span><\/div>\n
 <\/div>\n
<\/span><\/div>\n
\uc628\ub3c4\uac00 \uc99d\uac00\ud560\uc218\ub85d \uc99d\uac00\ud558\ub294 \uad74\uc808\ub960\ub85c \uc778\ud574 \uacf5\uc9c4\ud30c\uc7a5\uc774 \uc5bc\ub9c8 \ub9cc\ud07c \uc99d\uac00\ud558\ub294\uc9c0 \ud30c\uc545\ud558\ub294 \uac83\uc774 simulation\uc758 \ubaa9\uc801\uc785\ub2c8\ub2e4. (\uc77c\ubc18\uc801\uc73c\ub85c 80pm\/deg \uc815\ub3c4 \ubc14\ub01d\ub2c8\ub2e4.)<\/span><\/div>\n
\n

\uc628\ub3c4\ub97c \ub530\ub85c setting\ud55c \uac83\uc774 \uc544\ub2c8\ub77c, 30,50,70,90\u2103\uc73c\ub85c \uac01\uac01 \uc77c\uc815\ud558\uac8c \uc99d\uac00\ud558\ub294 \uad74\uc808\ub960\uc744 \uc124\uc815\ud574 \uc8fc\uc5c8\uc2b5\ub2c8\ub2e4 (1\u2103 \ub2f9 1.947×10-4 \uc99d\uac00)<\/span><\/p>\n

\uc544\ub798\uc758 \uc2dd\uc5d0 \ub530\ub974\uba74, \uc77c\uc815\ud55c \uad74\uc808\ub960\uc758 \uc99d\uac00\uc5d0 \uc758\ud574 \uacf5\uc9c4 \ud30c\uc7a5\ub3c4 \uc77c\uc815\ud558\uac8c \uc99d\uac00\ud574\uc57c \ud558\uc9c0\ub9cc<\/span><\/span><\/p>\n

<\/span><\/span><\/p>\n

simulation \uacb0\uacfc \uc601\uc5ed\ubcc4\ub85c \ub2e4\ub978 \uc99d\uac00\ud3ed\uc744 \ubcf4\uc774\uace0 \uc788\uc2b5\ub2c8\ub2e4<\/span><\/p>\n

30-50deg wavelength shift: 1.20nm<\/span><\/p>\n

50-70deg wavelength shfit: 2.41nm<\/span><\/p>\n

<\/span><\/p>\n

\uc774\ub294 10E-3~10E-4 \ub2e8\uc704\ub85c \ubcc0\ud558\ub294 \uad74\uc808\ub960\uc744 \uc798 \ubc18\uc601\ud558\uc9c0 \ubabb\ud574\uc11c \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\ub77c\uace0 \uc0dd\uac01\uc774 \ub4ed\ub2c8\ub2e4.<\/span><\/p>\n

 <\/p>\n

\uc774\ub97c \ud574\uacb0\ud558\uace0\uc790 mesh\ub97c \ucd18\ucd18\ud558\uac8c \ud558\ub294 \uc2dc\ub3c4\ub97c \ud558\uc600\uc2b5\ub2c8\ub2e4.<\/span><\/span><\/span><\/p>\n

\uae30\uc874\uc758 FDTD mesh accuracy level 2 –> resonator \uad6c\uc870\uc5d0 mesh overide\ub97c \ud1b5\ud574 dx,dy = 0.02um\ub85c \uc124\uc815\ud574<\/span><\/span><\/span><\/p>\n

\uc870\ubc00\ud55c mesh\ub97c \uc0ac\uc6a9\ud574\ub3c4 \uacf5\uc9c4\ud30c\uc7a5\uc758 \uc704\uce58\ub294 \uadf8\ub300\ub85c \uc785\ub2c8\ub2e4.<\/span><\/span><\/span><\/p>\n

 <\/p>\n

\uc77c\uc808\ud558\uac8c \uad74\uc808\ub960\uc774 \uc99d\uac00\ud568\uc5d0\ub3c4 \uacf5\uc9c4\ud30c\uc7a5\uc758 \uc99d\uac00 \ud3ed\uc758 \ucc28\uc774\uac00 \uc2ec\ud55c \uac83\uc774 \ubb38\uc81c\uc774\uba70, \uc774\ub294 \ubb38\ud5cc\uc5d0 \ubcf4\uace0\ub41c \uac12 \ubc0f \uce21\uc815\uac12\uacfc \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uad74\uc808\ub960\uc758 \ubbf8\uc138\ud55c \ucc28\uc774\ub97c \uc798 \ubc18\uc601\ud558\uc5ec \uc774 \ubb38\uc81c\ub97c \uac1c\uc120\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \ubb38\uc758\ub4dc\ub9bd\ub2c8\ub2e4.<\/span><\/p>\n

 <\/p>\n

Simulation set-up=============================================================<\/span><\/p>\n

ü<\/span>Source<\/span><\/span><\/div>\n

– Wavelength range: 1500~1600 nm<\/span><\/p>\n

– Mode: fundamental mode<\/span><\/p>\n

– Number of field profile samples:10 (<\/span>n<\/span>eff<\/span> <\/span>\uacfc \uad00\uacc4\uac00 <\/span>\uc788\ub294\uac70<\/span> \uac19\uc2b5\ub2c8\ub2e4<\/span>.)<\/span><\/span><\/p>\n

– Number of trial modes: 20<\/span><\/p>\n

 <\/p>\n

ü<\/span>Monitor<\/span><\/span><\/div>\n

– Monitor frequency point: 2000<\/span><\/p>\n

 <\/p>\n

– Port<\/span>\ub97c<\/span> <\/span>\ud1b5\ud574\uc11c \uad6c\uc870\uc5d0 <\/span>source<\/span>\ub97c \ub123\uc5b4\uc8fc\uace0<\/span>, <\/span>\uacb0\uacfc\ub97c <\/span>monitor <\/span>\ud568<\/span><\/span><\/p>\n

 <\/p>\n

ü<\/span>Mesh<\/span><\/span><\/div>\n

– Coupling gap<\/span>\uc5d0\ub9cc \uc801\uc6a9<\/span>,<\/span> <\/span>dx & <\/span>dy<\/span>: 0.02 <\/span>μ<\/span>m <\/span><\/span><\/p>\n

(resonator \uad6c\uc870\uc5d0 \ub3d9\uc77c\ud55c \ud06c\uae30\uc758 mesh\ub97c \uc124\uc815\ud574\ub3c4 \uac19\uc740 \uacf5\uc9c4\ud30c\uc7a5\uc744 \uac00\uc9d0) <\/span><\/span><\/p>\n

 <\/p>\n

ü<\/span>Structure<\/span><\/span><\/div>\n

– <\/span>Bus waveguide: 400<\/span>\u00d7<\/span>×<\/span>220nm (width<\/span>\u00d7<\/span>×<\/span>height)<\/span><\/span><\/p>\n

– Resonance structure: <\/span>400<\/span>\u00d7<\/span>×<\/span>220nm (width<\/span>\u00d7<\/span>×<\/span>height<\/span>) & 2.9 <\/span>μ<\/span>m radius<\/span><\/span><\/p>\n

– Coupling gap: 160nm<\/span><\/span><\/p>\n

 <\/p>\n<\/div>\n","protected":false},"template":"","class_list":["post-238673","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["259410","245288"],"_bbp_author_ip":["23.56.168.214"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["700"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["238673"],"_bbp_forum_id":["27834"],"_bbp_engagement":["245288","259410"],"_bbp_voice_count":["2"],"_bbp_reply_count":["7"],"_bbp_last_reply_id":["240440"],"_bbp_last_active_id":["240440"],"_bbp_last_active_time":["2022-11-11 02:39:42"]},"test":"jongh1019knu-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/238673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/238673\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=238673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}