A plasmonic refractive index sensor based on metal-insulator-metal (MIM) waveguide-coupled structure is proposed and demonstrated in this paper. The physical mechanism of the device is deduced, and the finite difference time domai

An up-tapered Mach-Zehnder interferometer (MZI) is proposed and demonstrated. By applying a modification setting of an existing program of the fusion splicer, two up-tapers are fabricated by pushing both sides of the fiber to the

Aiming at the problem that there isn’t any standardized calibration method for the performance index of surface plasmon resonance (SPR) sensor, the calibration method for key performance indices of SPR sensor is summarized and pro

A compact ammonia gas sensor with two gas chambers is proposed in this paper, whose core sensing device is a U-bending microring resonator. The waveguides of ring part and feedback part in this resonator are made of silicon on ins

A 2×2 cross/bar polymer electro-optic (EO) routing switch is proposed, which is composed of two passive channel waveguides and two active EO polymer microrings with bending radius of only 13.76 μm. Detailed structure, theory and f

A surface plasmon resonance (SPR) sensor based on a multi-core photonic crystal fiber (PCF) is presented in this paper. There is only one analyte channel positioned in the center of the PCF cross section, rather than several close

Blue phosphorescent organic light-emitting diodes (OLEDs) are fabricated by utilizing the hole transport-type host material of 1,3-bis(carbazol-9-yl)benzene (MCP) combined with the electron transport-type host material of 1,3-bis

A novel approach for the implementation of microwave photonic filter with positive and negative coefficients based on an unbalanced Mach-Zehnder modulator (MZM) is proposed. In the proposed filter, a microwave signal to be filtere

A novel dual-loop optoelectronic oscillator (OEO), which is constructed based on all optical signal processing, is proposed and analyzed. By inserting an erbium-doped fiber amplifier (EDFA) and a fiber Bragg grating (FBG) on the o

Ultraviolet (UV)-laser induced quantum well intermixing (QWI) technique can generate large multiple bandgap blue shifts in III-V quantum well semiconductor heterostructure. The application of the UV-laser QWI technique to fabricat

The use of Pr3+co-doping for great enhancement of mid-infrared (mid-IR) emissions at 2.9 μm and 2.4 μm is investigated in the Ho3+/Pr3+co-doped LiYF4crystals. With the introduction of Pr3+ions, the fluorescence lifetime of Ho3+:5I

The high phonon energy oxide of B2O3 is introduced into the Er3+/ Ce3+co-doped tellurite-niobium glasses with composition of TeO2-Nb2O5-ZnO-Na2O. The absorption spectra, 1.53 μm band fluorescence spectra, fluorescence lifetime and

The preparation of nanometer aluminum nitrogen (AlN) films with uniform lattice arrangement is of great significance for the manufacture of high-frequency surface acoustic wave (SAW) device. We put forward the two-step growth meth

Hydrogenated silicon nitride (SiNx:H) thin films are deposited on p-type silicon substrates by plasma enhanced chemical vapor deposition (PECVD) using a gas mixture of ammonia and silane at 230 °C. The chemical compositions and op

A novel construction method of quasi-cyclic low-density parity-check (QC-LDPC) code is proposed based on the finite field multiplicative group, which has easier construction, more flexible code-length code-rate adjustment and lowe

A network structure surface-enhanced Raman scattering (SERS)-active substrate is fabricated by adding Ag sol dropwise on adhesive tape. Scanning electron microscope (SEM) is employed to characterize the structure of the as-prepare

Combining heralded pair coherent state (HPCS) with passive decoy-state idea, a new method is presented for quantum key distribution (QKD). The weak coherent source (WCS) and heralded single photon source (HSPS) are the most common

Because of the circular symmetry of a completely coherent radially polarized beam, the azimuthal intensity component is zero when it is focused by a high numerical aperture (NA) objective. In this paper, we show that such a conclu

The eigenvector set of |φ (x, r1 , r2)> with three compatible operators ( x^1+x^2+x^3,p^2 + p^3 - p^1 and p^3 - p^2) is constructed by virtue of Radon transformation of the Wigner operator and the technique of integration within a