Kedu otu esi ahọrọ n'etiti modulator nkezi 780nm na modulator ike?

Otu esi ahọrọ n'etiti 780nmmodulator nke usorona ihe na-eme ka ike dịkwuo mma?
N'ime oke ogologo ebili mmiri dị mkpa nke 780nm, mmekọrịta dị n'etiti ìhè na ihe bara ụba karịsịa - ma ọ bụ mgbanwe ahịrị D2 nke atọm cesium ma ọ bụ njikwa ọnọdụ quantum nke atọm rubidium, njikwa ziri ezi nke laser na oke ogologo ebili mmiri a dị oke mkpa. Ngwaọrụ bụ isi nke na-emezu iwu a bụ ihe modulator electro-optic (Ihe nhazi EOM). N'ime ha, ọ bụ ezie na ha abụọmodulator nke usoro electro-opticna electro-opticihe na-eme ka ike dịkwuo mmaNdị so n'ezinụlọ lithium niobate electro-optic modulation, ha nwere nkà pụrụ iche nke ha ma na-arụ ọrụ ha.
Dịka aha ya si kwuo, modulator nke usoro electro optic na-elekwasị anya na njikwa ziri ezi nke usoro nke akara anya. Nhazi ya dị mfe - otu nduzi waveguide na-ejikọta ya na elektrọd abụọ n'akụkụ abụọ, a na-agbanwekwa ihe ngosi refractive nke kristal site na mmetụta electro-optic, si otú a na-agbanwe usoro nke ebili mmiri ọkụ. Usoro ROF-PM 780nm modulator nke usoro 780nm na-anabata teknụzụ mgbanwe proton dị elu ma nwee njirimara magburu onwe ya dịka obere mfu ntinye (uru nkịtị 2.8dB), bandwidth modulation dị elu (10GHz), na obere voltaji ọkara ebili (uru nkịtị 2.0V). Ọ na-eje ozi karịsịa n'ọhịa nke sistemụ nkwukọrịta oghere, ntụaka oge cesium atomic, ịgbasa spectral, na interferometry - na elekere anya na nha ziri ezi, modulators nke usoro bụ "ndị dike n'azụ ihe nkiri" nke mkpọchi ugboro ugboro na nkwụsi ike.
Iheihe na-eme ka ike electro-optic dịkwuo eluỌ bụ ọrụ maka ịchịkwa ike (oke) nke ìhè. Ọ dabere na nhazi Mach Zehnder interferometer (MZI): a na-ekewa akara ngosi anya n'ụzọ abụọ, nke na-agafe nhazi usoro wee jikọta ọzọ, na-enweta mgbanwe ike site na mmetụta nnyonye anya. Ihe nhazi ike usoro ROF-AM-07 na-ejikwa teknụzụ mgbanwe proton, yana mfu ntinye nke na-erughị 3dB, oke mkpochapu mgbanwe nke ruru 23dB, na voltaji ọkara ebili mmiri nkịtị nke naanị 3V na njedebe RF. Ngwa ndị a na-ejikarị eme ihe na-ekpuchi nkwukọrịta oghere, optics quantum, pulse generators, na ubi ndị ọzọ - na nnwale ozi quantum, a na-ejikarị ihe nhazi ike "ebipụ" laser na-aga n'ihu na pulses anya nanosecond.
A pụrụ ikwu na ihe na-eme ka ìhè dị n'usoro bụ onye na-ese ihe nke na-eme ka ìhè dị n'usoro nke ọma, ebe ihe na-eme ka ìhè dị n'usoro bụ onye isi nke na-achịkwa ike nke ìhè n'ụzọ dị mfe. Ha abụọ na-emekọ ihe ọnụ, ha abụọ na-akwado eriri ọdụdụ ahaziri maka FC/PC na FC/APC, na-arụ ọrụ kwụsiri ike na oke okpomọkụ nke -10 ℃~60 ℃, na-ekpuchi ọtụtụ ụzọ anya nnwale site na elekere atọm bụ isi ruo na optics quantum dị elu, na-enye ngwọta nhazi anya agbakwunyere maka nyocha band 780nm.