Measuring intensity correlations of a THz quantum cascade laser around its threshold at sub-cycle timescales

被引：1

作者：

Chelmus, Ileana Cristina Benea ^{[1
]}

Bonzon, Christopher ^{[1
]}

Maissen, Curdin ^{[1
]}

Scalari, Giacomo ^{[1
]}

Beck, Mattias ^{[1
]}

Faist, Jerome ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Inst Quantum Elect, Auguste Piccard Hof 1, CH-8093 Zurich, Switzerland

来源：

TERAHERTZ, RF, MILLIMETER, AND SUBMILLIMETER-WAVE TECHNOLOGY AND APPLICATIONS IX | 2016年 / 9747卷

关键词：

Quantum Optics; Photon statistics; THz Quantum Cascade Laser; threshold; ZnTe coherence properties; TERAHERTZ; SPECTROSCOPY; FIELD;

D O I：

10.1117/12.2207453

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The quantum nature of photonic systems is reflected in the photon statistics of the light they emit. Therefore, the development of quantum optics tools with single photon sensitivity and excellent temporal resolution is paramount to the development of exotic sources, and is particularly challenging in the THz range where photon energies approach k(b)T at T=300 K. Here, we report on the first room temperature measurement of field g(1) (tau) and intensity correlations g(2) (tau) in the THz range with sub-cycle temporal resolution (146 fs) over the bandwidth 0.3-3 THz, based on electro-optic sampling. With this system, we are able to measure the photon statistics at threshold of a THz Quantum Cascade Laser.

引用

页数：7

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