The TE 01 mode component of the beacon signal is extracted by coupler 30 which consists of an annular cavity 31 coupled to the circular guide by a symmetrical array of axial slots e.g. four slots. The cavity 31 forms a twosection filter together with a section 32 of coupled rectangular ...
Waveguide array overview and modeling The array of continuously coupled optical waveguides is schematically shown in Fig.1and was fabricated using the annealed proton-exchange technique46on an x-cut lithium niobate substrate. Gold micro-electrodes are patterned on top of a silica buffer above the wav...
摘要: Presents a study that described a novel antenna array that radiates a single mode of multiple coupled nonradiative dielectric (NRD) waveguides. Fundamental mode of coupled NRD waveguides; Antenna construction; Antenna measurements.年份: 1998 ...
Photonic circuit layouts are simplified and the number of waveguide crossings are reduced in applications utilizing a dense array of resonators producing sharp asymmetrical Fano-shaped resonance transmissions. 展开 关键词: Integrated optics multimode waveguides optical resonators DOI: 10.1109/JLT....
These methods are the finite-difference time-domain (FDTD) method, the coupled-mode theory (CMT) and the beam-propagation method (BPM). The time-explicit FDTD method has been demonstrated to be a very powerful tool in the analysis of arbitrary shaped structures, which may contain abrupt ...
By means of coupled-mode theory, an optical waveguide coupler consisting of two parallel identical waveguides, each of which contains a uniform long-period... Y Bai,KS Chiang - 《Journal of Lightwave Technology》 被引量: 50发表: 2005年 Optimization and control of grating coupling to or from ...
We report the observation of discrete spatial optical solitons in an array of 41 waveguides. Light was coupled to the central waveguide. At low power, the ... HS Eisenberg,Y Silberberg,R Morandotti,... - 《Phys.rev.lett》 被引量: 1225发表: 1998年 ZnSe‐ZnSSe electro‐optic waveguide mod...
In experiments, the THz carrier wave within the spectral range of 110–170 GHz having the power in the range between 125 μW (−9 dBm) and 250 μW (−6 dBm) was butt-coupled into the THz ADM circuit via a 1-inch-long WR6.5 rectangular waveguide (Virginia Diodes WR6.5...
3e). The wavelength of the coupled laser is well determined with the ultracompact spectrometer. The resolution of the Fourier-transform infrared and waveguide spectrometers is the inverse of the optical path difference (that is, two times the mirror displacement). A travel range of the mirror by...
Moreover, in agreement with the adiabatic coupled-mode theory, the elastic wave extinction produces a visible stop band region in the aluminium PC waveguides ranging between ~148 kHz and ~252 kHz [Fig. 5(a–c)], and between ~198 kHz and ~345 kHz [Fig. 5(b–d)]. Similarly,...