Extraction of enhanced, ultrashort laser pulses from a passive 10-MHz stack-and-dump cavity [0.03%]
一种从被动锁模10MHz重复频率堆叠和转存腔中提取增强型超短激光脉冲的方法
Sven Breitkopf,Stefano Wunderlich,Tino Eidam et al.
Sven Breitkopf et al.
Periodic dumping of ultrashort laser pulses from a passive multi-MHz repetition-rate enhancement cavity is a promising route towards multi-kHz repetition-rate pulses with Joule-level energies at an unparalleled average power. Here, we demon...
Precision measurements and test of molecular theory in highly excited vibrational states of H2 (v = 11) [0.03%]
H₂(v=11)高振动态的精密测量及分子理论检验
T Madhu Trivikram,M L Niu,P Wcisło et al.
T Madhu Trivikram et al.
Accurate E F 1 Σ g + - X 1 Σ g + transition energies in molecular hydrogen were determined for transitions originating from levels with highly excited vibrational quantum number, v = 11, in the ground electronic state. Doppler-f...
Efficient high-harmonic generation from a stable and compact ultrafast Yb-fiber laser producing 100 μJ, 350 fs pulses based on bendable photonic crystal fiber [0.03%]
基于可弯曲光子晶体光纤的皮秒级镱纤维激光器高效高次谐波产生
James S Feehan,Jonathan H V Price,Thomas J Butcher et al.
James S Feehan et al.
The development of an Yb3+-fiber-based chirped-pulse amplification system and the performance in the generation of extreme ultraviolet (EUV) radiation by high-harmonic generation is reported. The fiber laser produced 100 μJ, 350 fs output ...
Shifting the phase of a coherent beam with a [Formula: see text] ion: influence of the scattering cross section [0.03%]
用[公式见正文中图]离子改变相干光束的相位的影响及散射截面的作用
Martin Fischer,Bharath Srivathsan,Lucas Alber et al.
Martin Fischer et al.
We discuss and measure the phase shift imposed onto a radially polarized light beam when focusing it onto an 174 Yb + ion. In the derivation of the expected phase shifts, we include the properties of the involved atomic levels. Furtherm...
Nikolai Lilienfein,Simon Holzberger,Ioachim Pupeza
Nikolai Lilienfein
State-of-the-art optical switches for coupling pulses into and/or out of resonators are based on either the electro-optic or the acousto-optic effect in transmissive elements. In high-power applications, the damage threshold and other nonli...
Phase-stable, multi-µJ femtosecond pulses from a repetition-rate tunable Ti:Sa-oscillator-seeded Yb-fiber amplifier [0.03%]
具有可调谐重复频率的Ti:Sapphire振荡器种子Yb光纤放大器产生的飞秒脉冲列
T Saule,S Holzberger,O De Vries et al.
T Saule et al.
We present a high-power, MHz-repetition-rate, phase-stable femtosecond laser system based on a phase-stabilized Ti:Sa oscillator and a multi-stage Yb-fiber chirped-pulse power amplifier. A 10-nm band around 1030 nm is split from the 7-fs os...
Atomic "bomb testing": the Elitzur-Vaidman experiment violates the Leggett-Garg inequality [0.03%]
原子"爆炸试验"：Elitzur-Vaidman实验违背Leggett-Garg不等式
Carsten Robens,Wolfgang Alt,Clive Emary et al.
Carsten Robens et al.
Elitzur and Vaidman have proposed a measurement scheme that, based on the quantum superposition principle, allows one to detect the presence of an object-in a dramatic scenario, a bomb-without interacting with it. It was pointed out by Ghir...
Andreas Barg,Yeghishe Tsaturyan,Erik Belhage et al.
Andreas Barg et al.
We discuss several techniques based on laser-driven interferometers and cavities to measure nanomechanical motion. With increasing complexity, they achieve sensitivities reaching from thermal displacement amplitudes, typically at the picome...
C R Smith,S J Beecher,J I Mackenzie et al.
C R Smith et al.
The use of an Yb:YAG thin-slab architecture for amplification of a radially polarised beam at 1030 nm is investigated and shown to be a promising route for power scaling. The detrimental impact of the Gouy phase shift on radial polarisation...
Polarisation-preserving photon frequency conversion from a trapped-ion-compatible wavelength to the telecom C-band [0.03%]
用于离子阱的光频转换至电信C带保持偏振不变的单光子频率上转换
V Krutyanskiy,M Meraner,J Schupp et al.
V Krutyanskiy et al.
We demonstrate polarisation-preserving frequency conversion of single-photon-level light at 854 nm, resonant with a trapped-ion transition and qubit, to the 1550-nm telecom C band. A total photon in / fiber-coupled photon out efficiency of ...