和sio2回音壁模擬結(jié)果20607修改版

0.1101Volume(λ3)1E-41E-30.010.1collection/all

energy0.6um1um

2um

3umexperiment0.1101E-41E-30.010.11Volume(λ3)collection/all

energy0.6um1um

2um

3umexperiment實驗值：Pcollect/Ppump

absorbedAu實驗值：Pcollect/Ppump1001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment1101E-30.010.1collection/all

energy3Vphy(λ

)1um2um3umexperiment38個樣品Sio2實驗值：Pcollect/Ppump

absorbedSio21001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment1101E-30.010.1collection/all

energyvolume1um2um3umexperiment實驗值：Pcollect/Ppump模擬的Au/Sio2

上Qrad和Qtotal110100100010000100000SiO2

QradSiO2

QtotalAu

Qrad

Au

QtotalQvphy

(λ3)高度修正CdSe??0??1??2由于界面的反射和透射，泵浦光能量為??0時，實際被CdSe吸收的能量為??0

???1

???2，CdSe的吸收會影響透射??2的大小當(dāng)CdSe足夠厚時，照射至CdSe

的能量全部被吸收，此時只用考慮在CdSe和空氣界面的一次反射當(dāng)CdSe比較薄時，被吸收的能量變少，大部分能量都被透射出去因此考慮高度的修正后，實際吸收的能量??reality

(mW)??reality

=

??????????

?

α??????????高度越高，需要乘以的比例系數(shù)α??????????越大考慮泵浦閾值(????/????2)時，此時的能量密度是可以使樣品的能量密度，它與樣品的折射率，高度有關(guān)系，因此考慮泵浦閾值(????/????2)時，不用考慮α??????????的影響，只需用泵浦光功率(kW)大小除以光斑面積(????2)020080010000.750.700.650.600.550.500.450.400.80Au

2Au

1SiO2400

600height(nm)height實際吸收的能量??reality

(mW)??reality

=

??????????

?

α??????????010204050600.000.050.100.150.200.250.3030volume

(λ3)efficiencyefficiency010204050600.000.050.100.150.200.250.3030volume

(λ3)height

consideredefficiency????????????????/??????????????????????????/（??????????

?

??????????????）高度修正Au效率考慮高度因子02481012140.51.01.52.02.56Vphy(λ3)lifetime(ns)0.1101E-41E-30.010.11Volume(λ3)collection/all

energyexpeAu

實驗和模擬All

data0.10.11101Vphy

(λ3)Lifetime

(ns)020300.51.01.52.02.510Vphy(λ3)lifetime(ns)1001801601401202402202003203002802600.5

1.0

1

5

2

0

2

5

30

3.5

4.0vphyheightAu

實驗和模擬All

data0.10.11101Vphy

(λ3)Lifetime

(ns)1101lifetime(ns)Vphy(λ3)1101lifetime(ns)Vphy(λ3)0.1101E-41E-30.010.11Volume(λ3)collection/all

energyexpe110405060709080Qvolume

(λ3)0.11101001000100000.6um1um

2um

3umQradVphy(λ3)0.1125303540455060550.6um1um

2um

3umQtotalVphy

(λ3)模擬兩條線相差50倍左右。110100010000100000Q

no

lossQ

no

lossvolume

(λ3)Qrad≈5000？？，在滿足直線變化規(guī)律的體積下（<7

(λ3)），Qrad最大給出了50000。若Qtotal是準(zhǔn)確的，那么這個Qrad相對真實情況就有50倍的差別，相當(dāng)于Q

最大約為1000.可以模擬實驗上最規(guī)則的樣品，看看Q的情況？效率與Q的關(guān)系重新算0.1101E-41E-30.010.11Volume(λ3)collection/all

energyexpe0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0Vphy(λ3)-0.020.020.000.060.040.080.100.120.14collection/all

energy50nm70nm90nm120nm150nm200nm300nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)50nm70nm90nm120nm150nm200nm300nm不同高度0.111E-41E-30

010.1collection/all

energyVphy(λ3)50nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)70nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)90nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)

120nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)150nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)200nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)300nm不同高度1101E-30.010.1123456efficiencyArea

(um2)100200400

500

600

7001E-30.010.1123456300Height

(nm)efficiency實驗<100nm100-120nm120-140nm140-170nm0nm200-250nm250-350nm350-500nm0.11100.010.1efficiencyvolume

(λ3)101234650.1e

(λ3)0.11100.01123456efficiencyvolume

(λ3)0.11100.010.1123456efficiencyvolume

(λ3)0.11100.010

1123456efficiencyvolume

(λ3)0.1101E-30.010.1123456120nm1volume

(λ3)efficiency120-170nm120-200nm0.1101E-41E-30.010.1123456200nm1volume

(λ3)efficiency170-250nm250-350nm1101E-30.010.1123456300nmefficiencyvolume

(λ3)0.5

1.0 1

5 2

0 2

5 3

0

3.5

4.0100160140120200180240220260320300280heightvphy與模擬的體積相當(dāng)?shù)?.1101E-30.010.1123456150nm1volume

(λ3)efficiencySiO2效率考慮高度因子Sio2

實驗和模擬1001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment1101E-30.010.1collection/all

energy3Vphy(λ

)1um2um3umexperiment38個樣品Sio2

上面積小于3um*3um的樣品1001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment1101E-30.010.1collection/all

energyvolume1um2um3umexperiment110011EE--3300..11efficiencycollecetifofinci/eanllceynergyVVpphhyy((λλ33))collecetfioficni/eanllceynergy1um2um3um1001E-30.010.1efficiencyheight

(nm)實驗和模擬Simulations

with

Qradiation

=

Qtotal

with

loss10.011um2um3umSio2

效率與Q0.1110100100010000100000WITHOUT

LOSSWITH

LOSSQvphy

(λ3)1100100010000100000Q

no

lossQwith

loss10volume

(λ3)QSIO2AU50100200 250

300

350

40045010100100010000150height

(nm)Q1um

Qrad

1um

Qtotal

2um

Qrad

2um

Qtotal

3um

Qrad

3um

QtotalQtotal

&

Qrad模擬不同尺寸正方形樣品的Qrad和Qtotal.1001E-30.010.1collection/all

energyheight

(nm)1um

2um

3umexperiment101E-30.010.11um2um3um1Vphy(λ3)collection

power/all

radiation100.11um2um3um1Vphy

(λ3)collection/radiation

into

airSIO2

收集量和輻射到空氣總量、總的輻射量的比例101E-30.010.11Vphy

(λ3)collection/all

energy60nm80nm100nm120m180nm250nm300nm不同高度高度>120nm的模擬結(jié)果與實驗對應(yīng)1100.010.1collection/all

energyVphy

(λ3)120m180nm250nm300nmexperiment不同高度101E-30.010.11Vphy

(λ3)collection/all

energy60nm101E-30

010.11Vphy

(λ3)collection/all

energy80nm101E-30

010.11Vphy

(λ3)collection/all

energy100nm1Vphy

(λ3)1E-30

010.1collection/all

energy120101E-30.010.11Vphy

(λ3)collection/all

energy180nm101E-30

010.11Vphy

(λ3)collection/all

energy250nm101E-30.010.11Vphy

(λ3)collection/all

energy300nm60nm80nm100nm120nm180nm250nm300nm100-150nm150-200nm250-300nm300-350nm125-175nm200-250nm>350nm275-325nm10123456volume

(λ3)1100.010.1123456efficiencyvolume

(λ3)1100.010.1123456efficiencyvolume

(λ3)1100.010.1efficiencyvolume

(λ3)10123456volume

(λ3)1100.010.1123456efficiencyvolume

(λ3)1100.010.1123456efficiencyvolume

(λ3)1100.010.1efficiencyvolume

(λ3)Height:100nm-150nmHeight:150nm-200nmHeight:200nm-300nmHeight:250nm-350nm1100.010.1collection/all

energyVphy

(λ3)100nm

120mexperiment1100.010.1collection/all

energyVphy

(λ3)180nm

experiment1100.010.1collection/all

energyVphy

(λ3)250nm

300nm

experiment1100

010.1collection/all

energyVphy

(λ3)300nm

experimentsq30sq10sq33Au效率不考慮高度因子02481012140.51.01.52.02.56Vphy(λ3)lifetime(ns)0.1101E-41E-30.010.11Volume(λ3)collection/all

energyexpeAu

實驗和模擬All

data0.10.11101Vphy

(λ3)Lifetime

(ns)020300.51.01.52.02.510Vphy(λ3)lifetime(ns)1001801601401202402202003203002802600.5

1.0

1

5

2

0

2

5

30

3.5

4.0vphyheightAu

實驗和模擬All

data0.10.11101Vphy

(λ3)Lifetime

(ns)1101lifetime(ns)Vphy(λ3)1101lifetime(ns)Vphy(λ3)0.1101E-41E-30.010.11Volume(λ3)collection/all

energyexpe110405060709080Qvolume

(λ3)0.1101E-41E-30.010.11Volume(λ3)collection/all

energyexpe0.11101001000100000.6um1um

2um

3umQradVphy(λ3)0.1125303540455060550.6um1um

2um

3umQtotalVphy

(λ3)模擬兩條線相差50倍左右。110100010000100000Q

no

lossQ

no

lossvolume

(λ3)Qrad≈5000？？，在滿足直線變化規(guī)律的體積下（<7

(λ3)），Qrad最大給出了50000。若Qtotal是準(zhǔn)確的，那么這個Qrad相對真實情況就有50倍的差別，相當(dāng)于Q

最大約為1000.可以模擬實驗上最規(guī)則的樣品，看看Q的情況？效率與Q的關(guān)系重新算0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0Vphy(λ3)-0.020.020.000.060.040.080.100.120.14collection/all

energy50nm70nm90nm120nm150nm200nm300nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)50nm70nm90nm120nm150nm200nm300nm不同高度0.111E-41E-30

010.1collection/all

energyVphy(λ3)50nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)70nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)90nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)

120nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)150nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)200nm0.111E-41E-30.010.1collection/all

energyVphy(λ3)300nm不同高度11012456volume

(λ3)120-160nm1101E-30.010.1123456efficiencyvolume

(λ3)160-200nm1101E-30.010.1123456efficiencyvolume

(λ3)200-230nm1101E-30.010.1123456efficiencyvolume

(λ3)240-300nm1101E-30.010.1123456efficiencyvolume

(λ3)300-400nm1101E-30.010.1efficiencyvolume

(λ3)180-210nm1103

0.11E-30.01123456efficiencyvolume

(λ3)140-180nm00..11110011EE--330..001100..11collecetfioficni/eanllceynergy120nm12345611voVlpuhmye(λ(3λ)3)120-160nm00..11110011EE--33collecetfioficni/eanllceynergy150nm120-180nm0.010.112345611voVlpuhmye(λ(3λ)3)0.1101E-41E-30.010.1123456200nm1volume

(λ3)efficiency180-230nm240-400nm1101E-30.010.1123456300nmefficiencyvolume

(λ3)0.5

1.0 1

5 2

0 2

5 3

0

3.5

4.0100120140200180160220300280260240320heightvphyVphy<5(λ3)與模擬的體積相當(dāng)?shù)腟iO2效率不考慮高度因子Sio2

實驗和模擬1001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment1101E-30.010.1collection/all

energyvolume1um2um3umexperiment38個樣品Sio2

上面積小于3um*3um的樣品1001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment1101E-30.010.1collection/all

energyvolume1um2um3umexperiment10011EE--3300..001100..11efficiencycollecetifofinci/eanllceynergyheVigphhty((nλm3)

)collecetfioficni/eanllceynergy1um2um3um1001E-30.010.1efficiencyheight

(nm)實驗和模擬Simulations

with

Qradiation

=

Qtotal

with

loss1101um2um3umSio2

效率與Q0.1110100100010000100000WITHOUT

LOSSWITH

LOSSQvphy

(λ3)1100100010000100000Q

no

lossQwith

loss10volume

(λ3)QSIO2AU50100200 250

300

350

40045010100100010000150height

(nm)Q1um

Qrad

1um

Qtotal

2um

Qrad

2um

Qtotal

3um

Qrad

3um

QtotalQtotal

&

Qrad1001E-30.010.1collection/all

energyheight

(nm)1um2um3umexperiment模擬不同尺寸正方形樣品的Qrad和Qtotal.101E-30.010.11um2um3um1Vphy(λ3)collection

power/all

radiation100.11um2um3um1Vphy

(λ3)collection/radiation

into

airSIO2

收集量和輻射到空氣總量、總的輻射量的比例101E-30.010.11Vphy

(λ3)collection/all

energy60nm80nm100nm120m180nm250nm300nm不同高度高度>120nm的模擬結(jié)果與實驗對應(yīng)1100.010.1collection/all

energyVphy

(λ3)120m180nm250nm300nmexperiment不同高度101E-30.010.11Vphy

(λ3)collection/all

energy60nm101E-30

010.11Vphy

(λ3)collection/all

energy80nm101E-30

010.11Vphy

(λ3)collection/all

energy100nm1Vphy

(λ3)1E-30

010.1collection/all

energy120101E-30.010.11Vphy

(λ3)collection/all

energy180nm101E-30

010.11Vphy

(λ3)collection/all

energy250nm101E-30.010.11Vphy

(λ3)collection/all

energy300nm60nm80nm100nm120nm180nm250nm300nm給定高度范圍再畫這個圖看看1234561100.010.1123456efficiencyvolume

(|Height:150nm-200nmSiO2100200400 500

600

7000.010.1123456300Height

(nm)efficiencyHeight:200nm-300nm10.010.1123456efficiency10volume

(λ3)Height:300nm-400nm10.010.112345

6efficiency10volume

(λ3)To

do1100.010.1efficiencyvolume

(λ3)Height:100nm-150nmHeight:150nm-200nmHeight:200nm-300nmHeight:250nm-400nm1100.010.1collection/all

energyVphy

(λ3)100nm

120mexperiment1100

010.1collection/all

energyVphy

(λ3)180nm

experiment1100.010.1collection/all

energyVphy

(λ3)250nm

300nm

experiment1100

010.1collection/all

energyVphy

(λ3)300nm

experimentsq30sq10sq33Simulations

with

Qradiation

=

Qtotal

with

loss500.820.840.860.880.900.920.940.960.981.001um2um3um100

150

200

250

300

350

400

450height

(nm)all

rad/

all

energy總輻射量和總能量的比例01236780.820.840.860.880.900.920.940.960.981.001um2um3um4

5Vphy

(λ3)all

rad/

all

energy10101001000100001um

Qrad1um

Qtotal2um

Qrad2um

Qtotal3um

Qrad3um

Qtotal1Vphy

(λ3)Q50100200

250

300

350

400450101001000100001um

Qrad

1um

Qtotal

2um

Qrad

2um

Qtotal

3um

Qrad

3um

Qtotal150height

(nm)B輻射到SiO2、輻射到Air（180°）和總能量的比例0.50.60.70.80.91.01um2um3um200

250

300

350

400

450height

(nm)rad

into

sio2/all

energy0.00.10.20.30.40.51um2um3um200

250

300

350

400

450height

(nm)rad

into

air/all

energy輻射到SiO2、輻射到Air（180°）和總能量的比例01236780.50.60.70.80.91.01um2um3um4

5Vphy

(λ3)rad

into

sio2/all

energy01236780.00.10.20.30.40.51um2um3um4

5Vphy

(λ3)rad

into

air/all

energy對比上頁高度與效率的關(guān)系可以發(fā)現(xiàn)：Sio2

上輻射到sio2里和輻射到空氣的能量主要是受高度決定，與面積關(guān)系不大。收集量和總的能量的比例50100

150

200

250

300

350

400

450height

(nm)-0.020.040.020.000.060.120.100.080.140.160.18collection/all

energy1um2um3um1height

(nm)101E-30.010.1collection/all

energy1um2um3um實驗和模擬1101E-30.010.010.1ceoflflieccietinocny/all

energy1um2um3um1100.010.1efficiencyefficiency31101E-30.1efficiencyVphy(λ3)volume

(λ3)直接從體積和效率的角度去看，發(fā)現(xiàn)模擬的結(jié)果很難和實驗的結(jié)果match。0.110500400300200100Height

(nm)phy31V (λ

)1100.010.1efficiencyefficiency對比可見，sio2上效率轉(zhuǎn)折的地方和體積-高度的轉(zhuǎn)折是一致的。所以實驗上，效率隨體積的變化有可能是由高度決定的。實驗和模擬1001E-30.010.1efficiencyefficiencyheight

(nm)collecetfioficni/eanllceynergy1um2um3um1001E-30.010.1efficiencyheight

(nm)實驗和模擬20160709步驟先把之前所有計算的點的模擬情況匯總偏差較大點的數(shù)據(jù)著重分析，確認引起偏差最大的那些點的原因：計算出錯/模式選擇/模擬誤差等首先把每一步的計算結(jié)果找出來，確認偏差是不是計算錯誤；若不是，需要分析一下不同模式對比例的影響，確認選擇的回音壁模式是沒有問題的；若不是模式問題，再考慮在 的高度再run一兩組，看看是不是模擬的誤差，一步步確認計算的結(jié)果是靠譜的補齊一些數(shù)據(jù)，使得到的規(guī)律更加系統(tǒng)完整效率計算的步驟效率比例計算Collect

partTotal

radiationMetal

loss

SPPCollection/radiation

into

airCollection/total

radiationCollection/total

rad.+metal

loss為了求得上述比例，需要計算：Collection

partSPPRadiation

into

airTotal

radiation(SPP+

Radiation

into

air)Total

energy(

metal

loss

+

total

radiation)Other

radCollection

part在無損耗的modal中，利用far-field給出各個發(fā)射瓣的角度，由此可以判斷哪些瓣可以被收集到，再做多邊形框把這些瓣囊括在內(nèi)，積分框內(nèi)z方向能流給出collection

part.SPP在結(jié)構(gòu)四周中作一個很窄的帶（600nm）,通過截線可判斷其中主要為SPP，積分帶上的TM波能流得到SPP的能量，再利用二維模擬給出的衰減長度修正這個結(jié)果。Total

radiation計算totalradiation時，分別計算一個圍繞CdSe的小框和圍繞整個結(jié)構(gòu)的外框，對于回音壁模式，大部分情況下小框能流積分與大框能流積分差別在10%以內(nèi)，排除了“air

loss”的影響。再取內(nèi)框能流為

total

radiation.total

radiation/total

energy根據(jù)之前計算的帶loss與不帶loss的modal，同一個模式可以有Qtotal和Qrad，兩者的比例可以給出totalradiation/total

energy的比例。模擬結(jié)果50100

150

200

250

300

350

400

4500.10.20.30.40.50.60.70.8collection/radiation

into

airheight0.6um1um2um3um50100

150

200

250

300

350

400

4500.00.10.20.30.40.50.6collection/all

radiationheight0.6um1um2um3um收集量和輻射到空氣總量、總的輻射量的比例100height0.11collection/radiation

into

air0.6um1um2um3um1000.11collection/all

radiationheight0.6um1um2um3um收集量和輻射到空氣總量、總的輻射量的比例Loglog0.11Vphy(λ3)101collection/radiation

into

air0.6um1um2um3um0.11Vphy(λ3)100.11collection/all

radiation0.6um1um2um3um收集量和輻射到空氣總量、總的輻射量的比例與體積的關(guān)系1001E-41E-30.010.1collection/all

energyheight收集量和總的能量的比例0.11Volume(λ3)101E-41E-30.010.11collection/all

energy0.6um1um2um3um500.00.10.20.30.40.50.60.70.8100

150

200

250

300

350

400

450height

(nm)ratiospp/all

radcollection/all

radother

rad/all

rad501002503000.00.10.20.30.40.50.60.7150

200height

(nm)ratiospp/all

radcollection/all

radother

rad/all

rad40

60

80

100

120

140

160

180

200

220height

(nm)0.00.10.20.30.40.50.6Bspp/all

radcollection/all

radother

rad/all

rad501002503000.00.10.20.30.40.50.60.70.8150

200height

(nm)Bspp/all

radcollection/all

radother

rad/all

rad0.6um2um1um3umspp、收集量、未收集量(輻射到空氣)和總輻射量比例三者之和為1100height

(nm)0.11ratiospp/all

radcollection/all

radother

rad/all

rad500.11100

150 200

250

300

350400height

(nm)ratiospp/all

radcollection/all

radother

rad/all

rad406080100

120

140

160

1802002202400.11ratioheight

(nm)spp/all

radcollection/all

radother

rad/all

rad500.11100

150 200

250

300

350400height

(nm)ratiospp/all

radcollection/all

radother

rad/all

rad0.6um2um1um3umspp、收集量、未收集量(輻射到空氣)和總輻射量比例loglog三者之和為1面積越小，spp的比例越大，未收

集量（輻射到空

氣）的比例越小。500.10.20.30.410.90.80.70.60.5100

150 200

250

300

350400height

(nm)ratiospp/all

radall

rad

into

air/all

rad406080100

120

140

160

1802002202400.11ratioheight

(nm)spp/all

rad

all

rad

into

air/all

ra500.11100

150 200

250

300

350400height

(nm)ratiospp/all

radall

rad

into

air/all

rad0.6um2um1um3umspp、輻射到空氣總量和總輻射量比例loglog兩者之和為10.20.30.40.50.60.70.8spp/all

radall

rad

into

air/all

rad0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.45Vphy

(λ3)ratiospp、輻射到空氣總量和總輻射量比例loglog兩者之和為10.110.10.6um1um2um3umspp/all

radVphy

(λ3)0.110.20.30.60.50.410.90.80.70.6um1um2um3umall

rad

into

air/all

radVphy

(λ3)隨著體積增大，進入spp的量在減小，而輻射到空氣中的比例變大。0.110.10.6um1um2um3umcollection/all

radVphy

(λ3)0.110.110.6um1um2um3umother

rad

into

air/

all

radVphy

(λ3)收集量、未收集量(輻射到空氣)和總輻射量比例隨著體積增大，輻射到空氣中的比例變大，增大的部分主要是收集不到的那部分輻射?？傒椛淞亢涂偟哪芰恐g的比例:

Q

/Qtotal

rad1E-30.010.110.6um1um2um3um100height

(nm)all

radiation/all

energy0.1101E-30.010.110.6um1um2um3um1Vphy(λ3)all

radiation/all

energy0.111E-30.010.1JIEqWeightResidual

Sum

o

Squa

esea

son

s-065563Adj

R-Squa

e040609ValueIntecept

S

ope-

65547-0808

70

80.000.050.100.150.200.250.300.35collection/all

energyspp/all

energyall

rad

into

air/all

energy200

250

300

350

400

450height

(nm)ratio0.6um501002503000.000.020.040.060.080.100.120.140.16collection/all

energyspp/all

energyall

rad

into

air/all

energy150

200height

(nm)ratio501002503000.000.020.040.060.080.10collection/all

energyspp/all

energyall

rad

into

air/all

energy150

200height

(nm)J1um3um2um0.0000.0020.0040.0060.0080.0100.0120.0140.0160.0180.020collection/all

energyspp/all

energyall

rad

into

air/all

energy40

60

80

100

120

140

160

180

200

220height

(nm)Jspp、收集量、輻射到空氣總量和總的能量比例1000.010.1collection/all

energyspp/all

energyall

rad

into

air/all

energyratioheight

(nm)0.6um501E-30.010.1collection/all

energyspp/all

energyall

rad

into

air/all

energy100

150 200

250

300

350400height

(nm)ratio501E-30.010.1collection/all

energyspp/all

energyall

rad

into

air/all

energy100

150 200

250

300

350400height

(nm)J1um3um2um406080100

120

140

160

1802002202401E-41E-30.01collection/all

energyspp/all

energyall

rad

into

air/all

energyratioheight

(nm)spp、收集量、輻射到空氣總量和總的能量比例Loglog1100.010.1Au

2collection

power/pump

power

on

the

facevolume

(λ3)實驗1E--441E--330..010.11collection

pcoowllecr/tpiounm/apllpeonweergryon

the

facevVoolluummee(||um1um2um3um0.1101E-30.010.110.6um

1um

2um

3um1Vphy(λ3)all

radiation/all

energy從物理上來說，體積越小，輻射就越大，那么應(yīng)該看到體積減小收集效率變大的情況。從標(biāo)準(zhǔn)正方形的模擬結(jié)果中，

發(fā)現(xiàn)當(dāng)體積較小時，收集的比例隨著體積減小而變大，且主要來自于Qrad的變化。實驗上樣品雖然形狀各異，不能直接與模擬對應(yīng)，但是從

物理上來講還是會看到體積變小效率變大的結(jié)果，而且實驗上 也觀察到這樣的結(jié)果。0.11101001000100000.6um1um

2um

3umQradVphy(λ3)0.111101Au

21100.010.1collection

power/pump

power

on

the

facevolume

(λ3)0.10.11101Vphy

(λ3)Lifetime

(ns)另外一方面，對比之前得到的Vphy-Lifetime

圖，發(fā)現(xiàn)對Au而言，從plasmonicmode到photonicmode的位置和效率圖是一致的。由于模式的變化，體積變大時Qtotal也會變大很多，損耗在