Generation of Cross-Polarized Photon Pairs via Type-II Third-Order Quasi-Phase Matched Parametric Down-Conversion

Nagano, Shusaku; Syouji, Atsushi; Shimizu, Ryosuke; Suizu, Koji; Ito, Hiromasa; Edamatsu, Keiichi

doi:10.1143/jjap.48.050205

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Controlled Frequency Correlation Using Epm1

Entangled Photon Generation Using Two-period Qpm-spdc1

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Cited by 2 publications

(2 citation statements)

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“…6 (a) and (b), respectively [23]. We see that the two-photon spectra exhibit the frequency anti-correlation (11) and correlation (12), as expected.…”

Section: Controlled Frequency Correlation Using Epmsupporting

confidence: 79%

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Photon pair sources with controlled frequency correlation

Edamatsu¹,

Shimizu²,

Ueno³

et al. 2011

Prog. Inform.

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Development of efficient and well-controlled nonclassical photon sources is one of the keys in the quantum information and communication technology. We present our recent activities to develop advanced sources of photon pairs having controlled frequency correlation, by use of quasi-phase matching (QPM) and extended phase-matching (EPM). First, we present the generation of polarization and frequency entangled photons using QPM having two poling periods. We also demonstrate the photon pair generation with controlled frequency correlation and its application to making heralded single photons with intrinsically pure spectrotemporal modes.

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“…6 (a) and (b), respectively [23]. We see that the two-photon spectra exhibit the frequency anti-correlation (11) and correlation (12), as expected.…”

Section: Controlled Frequency Correlation Using Epmsupporting

confidence: 79%

“…2. A PPLN crystal (40 mm long and 0.5 mm thick) having two poling periods was fabricated by the full-cover electrode method [12]. To produce SPDC, the crystal was pumped by the pulses at 775 nm, which is the second harmonic of an amplified external cavity laser diode.…”

Section: Entangled Photon Generation Using Two-period Qpm-spdcmentioning

confidence: 99%

Photon pair sources with controlled frequency correlation

Edamatsu¹,

Shimizu²,

Ueno³

et al. 2011

Prog. Inform.

Self Cite

View full text Add to dashboard Cite

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Entangled photon generation in two-period quasi-phase-matched parametric down-conversion

Ueno¹,

Kaneda²,

Suzuki³

et al. 2012

Opt. Express

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We proposed and demonstrated a simple but deterministic scheme for generating polarization-entangled photon pairs at telecommunication wavelengths with type-II quasi-phase-matched spontaneous parametric down-conversion (QPM-SPDC) having two poling periods. We fabricated a LiNbO3 crystal having two poling periods so as to generate entangled photons at two wavelengths, i.e., 1506 nm and 1594 nm. We characterized the two-photon polarization state with state tomography and confirmed that the state was highly entangled.

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Generation of Cross-Polarized Photon Pairs via Type-II Third-Order Quasi-Phase Matched Parametric Down-Conversion

Cited by 2 publications

References 11 publications

Photon pair sources with controlled frequency correlation

Photon pair sources with controlled frequency correlation

Entangled photon generation in two-period quasi-phase-matched parametric down-conversion

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