The optical mode distributions of the single laser are investigated in detail, and the optical confinement factor is calculated to optimize the structure parameters of the laser array. We demonstrate a holmium and praseodymium (Ho3+/Pr3+)-codoped ZrF4-BrF2-LaF3-AlF3-NaF (ZBLAN) fiber amplifier for Q-switched pulses in the wavelength region near to 2.9 µm, which, to the best of our knowledge, circumvents strong water vapor lines for the first time. By rotating a polarizer set at the output end of the MSC, the topological charge of the OAM beam can be tuned from l  =  −1 to l  =  +1 and thus a tunable OAM beam is obtained. In the end, all participants can extract the target common key by comparing the initial states with the final states of the nonorthogonal quantum pairs. A total of 40 volunteers who were divided into 2 groups: G1—exposed hemi-arch (LLLT use) and hemi-arch G2 (simulation). By adjusting the delay line length to match the temporal separation of two consecutive spiking pulses, we have successfully obtained large stable pulses in the microsecond range for any available pump power. The two-boson interaction could be attractive or repulsive whereas the fermions are taken to be in a fully-paired super-fluid state in the Bardeen–Cooper–Schreifer (quasi-noninteracting weak-coupling) limit. The journal publishes high-quality reviews and original research, showcased in the 10th anniversary series. The inversion mechanism of the optically self-pumped laser is caused by photon reabsorption in optically dense plasma. The zinc oxide (ZnO) nanoparticles, nanoflowers and nanorods among other expensive nanoparticles have great potential in cancer therapy without toxicity and side effects. Firstly, thanks to the use of nonorthogonal quantum pairs and mixed encoding, the proposed protocol can resist collusive attack from internal participants efficiently. The recent experimental observation that group velocity is inversely proportional to l provides a theoretical basis for a practical measure of information transfer. The impact factor (IF), also denoted as Journal impact factor (JIF), of an academic journal is a measure of the yearly average number of citations to recent articles published in that journal. Shuzhi Yao, Guobin Ren, Yuguang Yang, Ya Shen, Youchao Jiang, Shiying Xiao and Shuisheng Jian. Rodrigo Duarte Farias and Rogério Heládio Motta. You do not need to reset your password if you login via Athens or an Institutional login. Membrane electrophoresis (ME) was applied to human plasma samples to first purify the albumin and then silver nanoparticles were added to stimulate surface-enhanced Raman scattering (SERS) signals. In this Letter we prove that detector blinding attack, when acts on QKD systems with phase coding, leads to a distortion of the photocounts statistics so the eavesdropper may always be detected. Laser Physics Letters is a journal covering the technologies/fields/categories related to Instrumentation (Q1); Physics and Astronomy (miscellaneous) (Q2). Based on such an SA, the Q-switched operation in the laser has been achieved. Our experimental results demonstrate a new method for energy scaling in passively mode-locked fiber lasers. Find out more. 4 686) or cracking quantum key distribution (QKD) systems. Source: https://www.scimagojr.com/journalrank.php, IEEE Article The radially and azimuthally polarized beams can be switched by adjusting the polarization controllers in the fiber ring cavity, with high mode purities measured to be  >93.5%. Doppler free spectroscopy was performed on the 7p1/2 and 7p3/2 states in neutral cesium-133 using a frequency doubled titanium sapphire laser stabilized to a temperature-stabilized ultra-low expansion optical cavity. By continuing to use this site you agree to our use of cookies. 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