Taa ka anyị leba anya na OFC2024fotodetector, nke gụnyere GeSi PD/APD, InP SOA-PD, na UTC-PD.
1. UCDAVIS ghọtara na-adịghị ike resonant 1315.5nm na-abụghị symmetric Fabry-Perotfotodetectornwere obere ikike, atụmatụ na ọ bụ 0.08fF. Mgbe eleghi anya bụ -1V (-2V), ọchịchịrị dị ugbu a bụ 0.72 nA (3.40 nA), ọnụego nzaghachi bụ 0.93a / W (0.96a / W). Ike ngwa anya juputara bụ 2mW (3mW). Ọ nwere ike ịkwado nnwale data ọsọ ọsọ 38 GHz.
Eserese na-esonụ na-egosi nhazi nke AFP PD, nke nwere ntuziaka ebili mmiri jikọtara Ge-on-Si fotodetectorya na n'ihu SOI-Ge waveguide nke na-enweta> 90% mode dakọtara na ngosipụta nke <10%. N'azụ bụ Bragg reflector (DBR) nke kesara na ngosipụta nke> 95%. Site na nhazi oghere kachasị mma (ọnọdụ na-eme njem na-aga gburugburu), enwere ike iwepụ ntụgharị uche na nnyefe nke AFP resonator, na-ebute nnabata nke Ge detector ihe fọrọ nke nta ka ọ bụrụ 100%. N'ime bandwit 20nm dum nke ogologo wavelength nke etiti, R + T <2% (-17 dB). Obosara Ge bụ 0.6µm na ike a na-eche na ọ bụ 0.08fF.
2, Huazhong University of Science and Technology mepụtara silicon germaniumnnukwu fotodiode, bandwit> 67 GHz, nweta> 6.6. Ụlọ ọrụ SACMOnye nyocha foto APDA na-arụ usoro nke njikọ ọkpọkọ transverse n'elu ikpo okwu silicon ngwa anya. germanium intrinsic (i-Ge) na silicon intrinsic (i-Si) na-eje ozi dị ka oyi akwa na-amịkọrọ ọkụ na oyi akwa eletrọn okpukpu abụọ, n'otu n'otu. Mpaghara i-Ge nwere ogologo 14µm na-ekwe nkwa nnabata ọkụ zuru oke na 1550nm. Obere mpaghara i-Ge na i-Si na-enyere aka ịbawanye njupụta foto ugbu a na ịgbasa bandwit n'okpuru nnukwu voltaji dị elu. A tụrụ anya map anya APD na -10.6 V. Site na ike ntinye anya nke -14 dBm, a na-egosi map anya nke 50 Gb / s na 64 Gb / s OOK n'okpuru, na SNR a tụrụ atụ bụ 17.8 na 13.2 dB. , n'otu n'otu.
3. IHP 8-inch BiCMOS pilot akara akụrụngwa na-egosi germaniumOnye nyocha foto PDnke nwere obosara fin nke ihe dịka 100 nm, nke nwere ike iwepụta ọkụ eletrik kachasị elu na oge ịkwọ ụgbọ mmiri kacha dị mkpụmkpụ. Ge PD nwere bandwit OE nke 265 GHz@2V @ 1.0mA DC foto ugbu a. A na-egosi usoro eruba n'okpuru. Ihe kacha pụta ìhè bụ na a gbahapụrụ ion ion agwakọta SI ọdịnala, a na-anabatakwa atụmatụ ito eto iji zere mmetụta nke itinye ion na germanium. Ọnọdụ gbara ọchịchịrị bụ 100nA, R = 0.45A/W.
4, HHI na-egosi InP SOA-PD, nke gụnyere SSC, MQW-SOA na fotodetector dị elu. Maka O-band. PD nwere nzaghachi nke 0.57 A/W nwere ihe na-erughị 1 dB PDL, ebe SOA-PD nwere nzaghachi nke 24 A/W na-erughị 1 dB PDL. The bandwit nke abụọ bụ ~ 60GHz, na ihe dị iche nke 1 GHz nwere ike ịsị na resonance ugboro nke SOA. Ahụghị mmetụta ụkpụrụ ọ bụla n'ihe onyonyo anya n'ezie. SOA-PD na-ebelata ike ngwa anya achọrọ site na ihe dịka 13 dB na 56 GBaud.
5. ETH na-eji ụdị II emeziwanye GaInAsSb / InP UTC-PD, yana bandwit nke 60GHz @ zero bias na ike mmepụta dị elu nke -11 DBM na 100GHz. Nga n'ihu nke nsonaazụ gara aga, na-eji ike njem eletrọn emelitere nke GaInAsSb. N'ime akwụkwọ a, ọkwa nnabata kachasị mma gụnyere GaInAsSb nke 100 nm nwere nnukwu doped yana GaInAsSb nke 20 nm emechiri emechi. Ihe oyi akwa NID na-enyere aka imeziwanye nzaghachi n'ozuzu ya ma na-enyekwa aka belata ikike ngwaọrụ ahụ ma melite bandwit. 64µm2 UTC-PD nwere bandwidth efu-bias nke 60 GHz, ike mmepụta nke -11 dBm na 100 GHz, yana saturation ugbu a nke 5.5 mA. Na ntụgharị ihu nke 3 V, bandwit na-abawanye ruo 110 GHz.
6. Innolight guzobere usoro nzaghachi ugboro ugboro nke germanium silicon photodetector na ndabere nke nleba anya zuru oke nke doping ngwaọrụ, nkesa ọkụ eletrik na oge mbufe foto na-ebufe. N'ihi mkpa maka nnukwu ntinye ike na bandwidth dị elu n'ọtụtụ ngwa, nnukwu ntinye ike anya ga-eme ka mbelata bandwit, omume kachasị mma bụ iji belata ntinye ihe na-ebu na germanium site na nhazi nhazi.
7, Tsinghua University haziri atọ ụdị UTC-PD, (1) 100GHz bandwit okpukpu abụọ drift Layer (DDL) Ọdịdị na elu saturation ike UTC-PD, (2) 100GHz bandwit okpukpu abụọ drift oyi akwa (DCL) Ọdịdị na elu responsiveness UTC-PD , (3) 230 GHZ bandwit MUTC-PD nwere ike saturation dị elu, Maka ụdị ngwa ngwa dị iche iche, ike saturation dị elu, nnukwu bandwidth na nzaghachi dị elu nwere ike ịba uru n'ọdịnihu mgbe ị na-abanye oge 200G.
Oge nzipu: Ọgọst-19-2024