Zithunzi za OFC2024

Lero tiyeni tiwone OFC2024ma photodetectors, zomwe makamaka zikuphatikiza GeSi PD/APD, InP SOA-PD, ndi UTC-PD.

1. UCDAVIS imazindikira kufooka kwa resonant 1315.5nm non-symmetric Fabry-PerotPhotodetectoryokhala ndi mphamvu yaying'ono kwambiri, yomwe ikuyembekezeka kukhala 0.08fF. Pamene kukondera ndi -1V (-2V), mdima wakuda ndi 0.72 nA (3.40 nA), ndipo mlingo woyankha ndi 0.93a / W (0.96a / W). Mphamvu yamagetsi yodzaza ndi 2 mW (3 mW). Itha kuthandizira kuyesa kwa data kwa 38 GHz kothamanga kwambiri.
Chithunzi chotsatirachi chikuwonetsa mawonekedwe a AFP PD, omwe ali ndi mawonekedwe ophatikizika a Ge-on-Ndi Photodetectoryokhala ndi kutsogolo kwa SOI-Ge waveguide yomwe imakwaniritsa> 90% mode yofananira ndi chiwonetsero cha <10%. Kumbuyo ndi Bragg reflector (DBR) yogawidwa ndi> 95%. Kupyolera mu kamangidwe kameneka kamene kamangidwe kameneka (maulendo ozungulira gawo lofananira), kuwonetsera ndi kufalitsa kwa resonator ya AFP kumatha kuthetsedwa, zomwe zimapangitsa kuyamwa kwa chowunikira cha Ge pafupifupi 100%. Pa bandwidth yonse ya 20nm ya kutalika kwapakati, R+T <2% (-17 dB). M'lifupi mwa Ge ndi 0.6µm ndipo mphamvu ikuyerekezedwa kukhala 0.08fF.

2, Huazhong University of Science and Technology inapanga silicon germaniumchithunzi cha avalanche, bandwidth > 67 GHz, phindu > 6.6. Mtengo SACMAPD PhotodetectorMapangidwe a pipin odutsa amapangidwa pa nsanja ya silicon Optical. Intrinsic germanium (i-Ge) ndi silicon intrinsic (i-Si) amagwira ntchito ngati wosanjikiza woyamwa ndi ma elekitironi kuwirikiza kawiri, motsatana. Dera la i-Ge lokhala ndi kutalika kwa 14µm limatsimikizira kuyamwa kokwanira kwa kuwala pa 1550nm. Madera ang'onoang'ono a i-Ge ndi i-Si amathandizira kukulitsa kachulukidwe kazithunzi ndikukulitsa bandwidth pansi pa voltage yayikulu. Mapu a diso a APD adayesedwa pa -10.6 V. Ndi mphamvu ya kuwala yolowera -14 dBm, mapu a maso a 50 Gb / s ndi 64 Gb / s OOK akuwonetsedwa pansipa, ndipo SNR yoyezedwa ndi 17.8 ndi 13.2 dB , motero.

3. Malo oyendetsa ndege a IHP 8-inch BiCMOS amasonyeza germaniumPD Photodetectoryokhala ndi zipsepse m'lifupi mwake pafupifupi 100 nm, yomwe imatha kupanga malo opangira magetsi apamwamba kwambiri komanso nthawi yayitali kwambiri yonyamula zithunzi. Ge PD ili ndi bandwidth ya OE ya 265 GHz@2V@ 1.0mA DC chithunzi chamakono. Njira yoyendetsera ikuwonetsedwa pansipa. Chochititsa chidwi kwambiri ndichakuti kuyika kwa ion kusakanikirana kwa SI kumasiyidwa, ndipo njira yolumikizira kukula imatengedwa kuti asatengeke ndi kuyika kwa ion pa germanium. Mdima wakuda ndi 100nA,R = 0.45A /W.
4, HHI ikuwonetsa InP SOA-PD, yopangidwa ndi SSC, MQW-SOA ndi chithunzithunzi chothamanga kwambiri. Kwa O-band. PD ili ndi kuyankha kwa 0.57 A / W ndi osachepera 1 dB PDL, pamene SOA-PD ili ndi kuyankha kwa 24 A / W ndi osachepera 1 dB PDL. Bandwidth ya awiriwa ndi ~ 60GHz, ndipo kusiyana kwa 1 GHz kungabwere chifukwa cha ma frequency a SOA. Palibe zotsatira zachitsanzo zomwe zidawoneka mu chithunzi chenicheni cha diso. SOA-PD imachepetsa mphamvu yamagetsi yofunikira ndi pafupifupi 13 dB pa 56 GBaud.

5. Zida za ETH Mtundu II zidawongolera GaInAsSb/InP UTC-PD, ndi bandwidth ya 60GHz@ zero bias ndi mphamvu yotulutsa kwambiri -11 DBM pa 100GHz. Kupitiliza kwa zotsatira zam'mbuyomu, pogwiritsa ntchito luso loyendetsa ma elekitironi la GaInAsSb. Mu pepala ili, zigawo zokongoletsedwa zoyamwitsa zikuphatikiza GaInAsSb yochuluka kwambiri ya 100 nm ndi GaInAsSb yosasinthika ya 20 nm. NID wosanjikiza umathandizira kuwongolera kuyankha kwathunthu komanso kumathandizira kuchepetsa kuthekera konse kwa chipangizocho ndikuwongolera bandwidth. 64µm2 UTC-PD ili ndi ziro-bias bandwidth ya 60 GHz, mphamvu yotulutsa -11 dBm pa 100 GHz, ndi saturation current ya 5.5 mA. Pakukondera kwa 3 V, bandwidth imakwera mpaka 110 GHz.

6. Innolight adakhazikitsa njira yoyankhira pafupipafupi ya germanium silicon photodetector pamaziko oganizira mokwanira za doping ya chipangizocho, kugawa magetsi kumunda ndi nthawi yotengera chonyamulira chopangidwa ndi zithunzi. Chifukwa cha kufunikira kwa mphamvu yayikulu yolowera ndi bandwidth yayikulu pamapulogalamu ambiri, kuyika kwamphamvu kwamphamvu kwamphamvu kumapangitsa kuchepa kwa bandiwifi, njira yabwino kwambiri ndikuchepetsa ndende yonyamula mu germanium popanga mapangidwe.

7, Yunivesite ya Tsinghua idapanga mitundu itatu ya UTC-PD, (1) 100GHz bandwidth double drift layer (DDL) yopangidwa ndi mphamvu yodzaza kwambiri UTC-PD, (2) 100GHz bandwidth double drift layer (DCL) yokhazikika kwambiri UTC-PD , (3) 230 GHZ bandwidth MUTC-PD yokhala ndi mphamvu yowonjezereka, Kwa zochitika zosiyanasiyana zogwiritsira ntchito, mphamvu zowonjezera mphamvu, bandwidth yapamwamba komanso kuyankha kwakukulu kungakhale kothandiza m'tsogolomu polowa mu nthawi ya 200G.