Letters
25 Gb s-1 data transmission using a bismuth-doped fibre amplifier with a gain peak shifted to 1300 nm
M. A. Mel’kumov, V. Mikhailov, A. M. Khegai, K. E. Riumkin, S. V. Firstov, F. V. Afanas’ev, A. N. Gur’yanov, M. F. Yan, Ya. Sun, J. Luo, G. S. Puc, S. D. Shenk, R. S. Windeler, P. S. Westbrook, R. L. Lingle, D. J. DiGiovanni, E. M. Dianov 989–992
Lasers
Compact laser diode array based on epitaxially integrated AlGaAs/GaAs heterostructures
M. A. Ladugin, T. A. Bagaev, A. A. Marmalyuk, Yu. P. Koval’, V. P. Konyaev, S. M. Sapozhnikov, A. V. Lobintsov, V. A. Simakov 993–995
Interaction of laser radiation with matter
Ablation of hexagonal boron nitride by UV laser radiation
V. V. Kononenko, M. S. Komlenok, M. A. Dezhkina, V. M. Gololobov, V. I. Konov 996–999
Antireflection coating of diamond elements of power optics for CO2 lasers
P. A. Pivovarov, V. S. Pavel’ev, V. A. Soifer, K. V. Cherepanov, V. I. Anisimov, V. V. Butuzov, V. R. Sorochenko, N. V. Artyushkin, V. E. Rogalin, N. I. Shchebetova, V. G. Plotnichenko, V. I. Konov 1000–1004
Terahertz radiation
Mode loss spectra in THz quantum-cascade lasers with gold- and silver-based double metal waveguides
D. V. Ushakov, A. A. Afonenko, A. A. Dubinov, V. I. Gavrilenko, I. S. Vasil’evskii, N. V. Shchavruk, D. S. Ponomarev, R. A. Khabibullin 1005–1008
Quantum Technologies
Charge qubit under optical control in a thin semiconductor slab
A. V. Tsukanov, I. Yu. Kateev 1009–1015
Methods for analysing the quality of the element base of quantum information technologies
Yu. I. Bogdanov, D. V. Fastovets, B. I. Bantysh, A. Yu. Chernyavskiy, I. A. Semenikhin, N. A. Bogdanova, K. G. Katamadze, Yu. A. Kuznetsov, A. A. Kokin, V. F. Lukichev 1016–1022
Nonlinear optical phenomena
Angular momentum of elliptically polarised cnoidal waves and breathers in a nonlinear gyrotropic medium with frequency dispersion
V. A. Makarov, V. M. Petnikova 1023–1026
Normal modes for electromagnetically induced transparency in a lambda system of degenerate energy levels
O. M. Parshkov 1027–1034
Nanophotonics
Effects of near-field electromagnetic coupling in dimers of nanoparticles with a silver core and a J-aggregate dye shell
A. D. Kondorskiy, V. S. Lebedev 1035–1042
Isotope laser emission
Experimental study of the degree of extraction of a target isotope in the process of laser photoionisation separation of lutetium isotopes
A. B. D’yachkov, A. A. Gorkunov, A. V. Labozin, S. M. Mironov, V. Ya. Panchenko, V. A. Firsov, G. O. Tsvetkov 1043–1047
Experimental study of a joint-transform correlator
M. S. Kuzmin, V. V. Davydov, S. A. Rogov 1048–1054
Laser spectroscopy
Thermometry of an open spatially inhomogeneous flame by diode laser absorption spectroscopy
V. V. Liger, V. R. Mironenko, Yu. A. Kuritsyn, M. A. Bolshov 1055–1061
Laser applications and other topics in quantum electronics
Enhancing the signal-to-noise ratio for laser ranging by adjusting the photon equivalent threshold of a multi-pixel photon counter
Guoqing Zhang, X. Yan 1062–1066
Method for measuring main characteristics of electron-optical cameras
N. S. Vorob’ev, P. B. Gornostaev, A. S. Komel’kov, V. I. Lozovoi, A. V. Smirnov, E. V. Shashkov 1067–1072
Energy density in a collapsing electromagnetic wave
I. A. Artyukov, A. V. Vinogradov, N. V. D’yachkov, R. M. Feshchenko 1073–1075
Inversionless amplification of light by molecules selectively oriented over states in the field of laser radiation
A. V. Shamshurin, I. A. Kuzovatov, A. S. Tsipotan, V. V. Slabko 1076–1082