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Alternating from spheres to rugby balls is no longer the sole preserve of mercury isotopes, an international team at CERN’s ISOLDE facility reports in a paper published in Physical Review Letters.
Bismuth-based nanoribbons show ‘topological’ transport,potential for new technologies
Bismuth-based nanoribbons topological transport potential
2016/2/22
Researchers have created nanoribbons of an emerging class of materials called topological insulators and used a magnetic field to control their semiconductor properties, a step toward harnessing the t...
Possible centers of broadband near-IR luminescence in bismuth-doped solids: $Bi^{+}$, Bi$_5^{3+}$, and Bi$_4^0$
near-IR broadband
2011/9/13
Subvalent bismuth centers (interstitial Bi+ ion, Bi3+5 cluster ion, and Bi0 4 cluster) are examined as possible centers of broadband near-IR luminescence in bismuth-doped solids on the grounds of quan...
Tunable nonlinear frequency conversion of bismuth-tellurite glass holey fiber
Nonlinear optics fiber Harmonic generation and mixing
2015/5/22
We report on tunable parametric generation (PG) and third-harmonic generation (THG) in a 2.9-μm core bismuth-tellurite holey glass fiber. The maximum conversion efficiency was measured to be 0.1% and ...
Bismuth-Doped Optical Fiber Amplifier for 1430 nm Band Pumped by 1310 nm Laser Diode
Bismuth Optical Fiber Amplifier Pumped Laser Diode
2015/5/20
A 24dB gain Bismuth-doped fibre amplifier pumped by a 65mW commercial laser diode at 1310nm is reported for the first time. A 3dB bandwidth of 36nm and a noise figure of 6dB are demonstrated.
Generation of Ultra-wideband Doublet Pulses Based on Kerr Shutter Using an Elliptically Polarized Beam in Bismuth Oxide-based Nonlinear Optical Fiber
Ultra-wideband Doublet Pulses Kerr Shutter Elliptically Polarized Beam
2015/5/15
We demonstrate a nonlinear signal-processor incorporating a Bismuth-based nonlinear fiber for UWB doublet pulse generation. High quality of doublet pulses is readily generated from the signal-processo...
Demonstration of Polarization Insensitive Wavelength Conversion of 112-Gb/s Polarization Multiplexed RZ- QPSK Signals Using Bismuth-Oxide-based Nonlinear Optical Fiber with High SBS Threshold
Fiber Optics Communications Networks
2015/6/10
Polarization insensitive wavelength conversion by employing a dual pump scheme in 112-Gb/s polarization-multiplexed RZ-QPSK system has been realized by using a 2-m Bismuth-Oxide-based nonlinear optica...
All-Optical up-conversion 10-Gb/s signal in 60-GHz ROF system using 2-m Bismuth Oxide-based fiber
Fiber optical communications Fiber optics links subsystems
2015/6/8
All-optical up-conversion based on dual-pump four-wave mixing (FWM) in 2-m Bismuth Oxide-based fiber for 10-Gb/s OOK wireless signals in 60-GHz ROF systems has been experimentally demonstrated for the...
Modification of Spectroscopic Properties of Bismuth Doped Silica Fiber by Post-fabrication Process and Different Fabrication Methods
Fiber materials Lasers fiber
2015/6/5
The spectroscopic properties of pristine and H 2 -loaded MCVD based Bi-doped aluminosilicate fibers were investigated. Also, the properties of Bi-doped fiber, fabricated by powder-in-tube method, have...
Fiber Bragg Gratings Made in Highly Nonlinear Bismuth Oxide Fibers Using IR Ultrafast Radiation
Fiber Bragg Gratings Made Highly Nonlinear Bismuth Oxide Fibers IR Ultrafast Radiation
2015/7/20
We have written for the first time high quality Bragg grating structures in highly nonlinear single mode bismuth oxide fibers . The grating inscription method is presented along with the annealing beh...
Widely Wavelength-Tunable and Pulsewidth-Variable Harmonically Mode-Locked Short-Cavity Fiber Ring Laser Using a Bismuth-Oxide-Based Highly Nonlinear Erbium-Doped Fiber
Wavelength-Tunable Pulsewidth-Variable Harmonically Bismuth-Oxide-Based Highly Nonlinea Erbium-Doped Fiber
2015/7/16
We demonstrate a stable 10GHz harmonically modelocked laser employing a 151cm-long bismuth-based highly nonlinear erbium-doped fiber and a bandwidth-variable tunable filter. The wavelength tuning rang...
Single-Longitudinal-Mode Lanthanum-Codoped Bismuth-Based Erbium Doped Fiber Ring Laser
Single-Longitudinal-Mode Lanthanum-Codoped Bismuth-Based Erbium Doped Fiber
2015/7/16
We propose and demonstrate a stable single-longitudinal-mode lanthanum-codoped bismuth oxide-based erbium doped fiber ring laser. The combination of a free-space thin-film filter and a Lyot filter ena...
Fabrication of crystal-oriented barium-bismuth titanate ceramics in high magnetic field and subsequent reaction sintering
magnetic field lead-free piezoelectric ceramics sintering
2010/1/18
High magnetic field was applied to fabricate novel lead-free piezoelectric ceramics with a textured structure. A compact of crystallographically oriented grains was prepared by dry forming in a high m...
Wavelength Demultiplexer Based on a Continuous-Wave Bismuth-Oxide Fiber Optical Parametric Amplifier
Wavelength Demultiplexer Continuous-Wave Bismuth-Oxide Fiber Optical Parametric Amplifier
2015/8/6
We used the sub-nanometer bandwidth of a bismuth-oxide fiber OPA for demultiplexing 10Gb/s channels 100GHz apart with penalty <2dB. We obtained -20dB of crosstalk, with 2.5W of CW pump power.
Continuous-Wave Bismuth-Oxide One-Pump Fiber Optical Parametric Amplifier
Continuous-Wave Bismuth-Oxide One-Pump Fiber Optical Parametric Amplifier
2015/8/4
We obtained 6dB gain with a one-pump fiber OPA using a 3-m long Bi-HNLF fiber. Pump power was 30.2dBm.SBS suppression required 300MHz PRBS phase modulation.