Carrier Assisted Differential Detection With Generalized and Simplified Recei…
Coherent detection has the primary advantage of optical field recovery, which enables channel impairment compensation and advanced modulation formats for high-capacity transmission. On the other ha…
Valuation of New Trademarks
Firms often register trademarks as they launch new products or services. We find that the number of new trademark registrations positively predicts firm profitability, stock returns, and underreact…
Estimation of Conditional Average Treatment Effects With High-Dimensional Data
Given the unconfoundedness assumption, we propose new nonparametric estimators for the reduced dimensional conditional average treatment effect (CATE) function. In the first stage, the nuisance fun…
Efficiently Backtesting Conditional Value-at-Risk and Conditional Expected Sh…
Given the importance of backtesting risk models and forecasts for financial institutions and regulators, we develop an efficient empirical likelihood backtest for either conditional value-at-risk o…
A 1.4-kW Mode-Controllable Fiber Laser System
We demonstrated a mode-controllable fiber laser system with output power of 1.4 kW level. The system consists of a kilowatt-scale master oscillator power amplifier and an active feedback control sy…
Tunable Electromagnetically Induced Transparency-Like in Graphene metasurface…
We present numerical and theoretical analysis of the tunable electromagnetically induced transparency-like (EIT-like) effect based on graphene metasurfaces. The unit cells of metasurfaces are compo…
Split Cuts in the Plane
We provide a polynomial time cutting plane algorithm based on split cuts to solve integer programs in the plane. We also prove that the split closure of a polyhedron in the plane has polynomial siz…
Wideband and Dispersion Immune Microwave Photonic Phase Shifter With Tunable …
A wideband microwave photonic phase shifter (MPPS) based on a dual-polarization dual-parallel Mach-Zehnder modulator (DP-DPMZM) is proposed and experimentally demonstrated. The proposed system has …
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