Results 31 to 40 of about 819,402 (298)

Fill the void: improved scheduling for optical switching [PDF]

, 2015
With ever-increasing demand for bandwidth, optical packet/burst switching is proposed to utilize more of the available capacity of optical networks in the future.
Bruneel, Herwig, Rogiest, Wouter, Van Hautegem, Kurt   +2 more
core   +1 more source

Robust transmission stabilization and dynamic switching in broadband hybrid waveguide systems with nonlinear gain and loss

, 2014
We develop a method for transmission stabilization and robust dynamic switching for colliding optical soliton sequences in broadband waveguide systems with nonlinear gain and loss.
Nguyen, Quan M., Peleg, Avner, Tran, Thinh P.   +2 more
core   +1 more source

Minimum Loss Discontinuous Pulse-Width Modulation Per Phase Method for Three-Phase Four-Leg Inverter

IEEE Access, 2020
The three-phase four-leg inverter (TPFLI) provides unbalanced voltage to a load or injects unbalanced current to a grid to compensate unbalanced current. However, it has a high switching loss because of the fourth leg. This paper presents a discontinuous
Soo Yeon Kim, Sung Geun Song, Sung Jun Park   +2 more
doaj   +1 more source

Asymmetric Space Vector Modulation With Positive and Negative DC-Bus Clamping: A Strategy for Enhanced THD and Efficiency

IEEE Access
This work proposes a two-stage modified T-type multilevel boost inverter and an asymmetric space vector modulation (ASVM) technique based on DC-bus clamping.
Balram Kumar, Sankar Peddapati, Praveen Kumar Bonthagorla   +2 more
doaj   +1 more source

Quantifying Incomplete Zero-Voltage Switching Losses Using Equivalent Hard-Switching Losses

With fast switching wide band-gap semiconductors conquering high-power application, zerovoltage switching (ZVS) topologies are crucial toincrease converter efficiency by minimizing switchinglosses. However, ZVS criteria cannot always be fulfilledin the entire operating range of the converter.
Zäch, Mike Robin, Beczkowski, Szymon Michal; id_orcid 0000-0002-3627-9272, Jørgensen, Asger Bjørn; id_orcid 0000-0003-2171-4531, Munk-Nielsen, Stig; id_orcid 0000-0001-9653-5437   +3 more
  +5 more sources

Non-volatile Optical Switch Based on a GST-Loaded Directional Coupler [PDF]

, 2018
We present a non-volatile optical switch based on a directional coupler comprising a silicon-Ge2Sb2Te5 (GST) hybrid waveguide. The non-volatility of GST makes it attractive for reducing static power consumption in optical switching.
Chen, J., Lu, L., Rahman, B. M., Zhang, H., Zhou, L.   +4 more
core   +1 more source

Switching characteristics analysis and power loss minimization of SiC BJT based on dual power supply RC driving circuit

Energy Reports, 2022
As a current driven power device, SiC BJT needs effective driving scheme, but the present schemes are either complicated or not parameter optimized. In this paper we give an optimized parameter design method based on dual power supply RC driving circuit.
Haihong Qin, Jiangjin Peng, Sixuan Xie, Yubin Mo, Qiang Xiu, Wenming Chen   +5 more
doaj   +1 more source

Stable scalable control of soliton propagation in broadband nonlinear optical waveguides

, 2017
We develop a method for achieving scalable transmission stabilization and switching of $N$ colliding soliton sequences in optical waveguides with broadband delayed Raman response and narrowband nonlinear gain-loss.
Huynh, Toan T., Nguyen, Quan M., Peleg, Avner   +2 more
core   +1 more source

Stability of solitons in PT-symmetric couplers [PDF]

, 2011
Families of analytical solutions are found for symmetric and antisymmetric solitons in the dual-core system with the Kerr nonlinearity and PT-balanced gain and loss. The crucial issue is stability of the solitons.
Abdullaev, Atai, Bender, Boris A. Malomed, Chiang, Chu, Dmitriev, Driben, El-Ganainy, Firth, Guo, Kartashov, Klaiman, Li, Li, Longhi, Maimistov, Makris, Makris, Malomed, Marini, Miroshnichenko, Musslimani, Paulau, Paulau, Ramezani, Rodislav Driben, Ruschhaupt, Ruter, Soto-Crespo, Sukhorukov, Wright   +31 more
core   +1 more source

QND measurement of a superconducting qubit in the weakly projective regime

, 2010
Quantum state detectors based on switching of hysteretic Josephson junctions biased close to their critical current are simple to use but have strong back-action.
C. J. P. M. Harmans, J. E. Mooij, R. Schouten, T. Picot, V. Braginsky   +4 more
core   +1 more source