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Volumn 72, Issue 4, 2005, Pages

Generation of 1.5-μm band time-bin entanglement using spontaneous fiber four-wave mixing and planar light-wave circuit interferometers

Author keywords

[No Author keywords available]

Indexed keywords

PLANAR LIGHT-WAVE CIRCUIT INTERFEROMETERS; SPONTANEOUS FIBER FOUR-WAVE MIXING;

EID: 28844495045     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.72.041804     Document Type: Article
Times cited : (140)

References (19)
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    • The relative phase in Eq. 1 is equal to 2Δp, where Δp denotes the phase difference of the pump light between the first and second time slots. This means that, if the coherence time of the pump is shorter than the temporal interval of these two slots, the relative phase is undetermined. Thus, the coherence time of the pump must be larger than the pulse interval in order to obtain an entangled pure state such as Eq. 1.
    • The relative phase in Eq. 1 is equal to 2Δp, where Δp denotes the phase difference of the pump light between the first and second time slots. This means that, if the coherence time of the pump is shorter than the temporal interval of these two slots, the relative phase is undetermined. Thus, the coherence time of the pump must be larger than the pulse interval in order to obtain an entangled pure state such as Eq. 1.
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    • An InxGa1-xAs APD for the long-wavelength band generally has a larger dark count probability than that of a Si-APD for the short-wavelength band. Therefore, to reduce noise counts, an InxGa1-xAs APD is normally biased above its breakdown voltage for a short period of time, which is called a gated mode operation. The upper limit of the gate frequency, which was 4 MHz in our experiment, is determined by the after-pulse characteristics of an APD.
    • An InxGa1-xAs APD for the long-wavelength band generally has a larger dark count probability than that of a Si-APD for the short-wavelength band. Therefore, to reduce noise counts, an InxGa1-xAs APD is normally biased above its breakdown voltage for a short period of time, which is called a gated mode operation. The upper limit of the gate frequency, which was 4 MHz in our experiment, is determined by the after-pulse characteristics of an APD.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.