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A 400 Gb/s WDM Receiver Using a Low Loss Silicon Nitride AWG Integrated with Hybrid Silicon Photodetectors
A 400 Gb/s WDM Receiver a Low Loss Silicon Nitride AWG Integrated Hybrid Silicon Photodetectors
2014/11/6
A heterogeneously integrated WDM receiver based on an AWG demultiplexer and hybrid silicon/InGaAs detectors is presented in a novel platform that combines hybrid silicon components with ultra-low loss...
High-Precision In-situ Wavelength Stabilization and Monitoring of Tunable Lasers Using AWG and PD Arrays
In-situ Wavelength Stabilization Tunable Lasers AWG PD Array
2015/5/15
This paper presents a rapid laser wavelength stabilization and monitoring technique based on a feedback loop using AWG with PD arrays at 0.5 MHz. The experiment demonstrates control accuracy of ±0.015...
Ring Topology Based Mesh Sensing System with Self-healing Function using FBGs and AWG
Optical sensing sensors Networks ring
2015/6/10
We propose and experimentally demonstrate a novel sensing system based on FBG sensors with comprehensive self-healing capability in a mesh-ring-based topology by utilizing the FSR and periodic filteri...
Monolithically Integrated InP Wafer-Scale 100-Channel × × 10-GHz AWG and Michelson Interferometers for 1-THz- Bandwidth Optical Arbitrary Waveform Generation
Integrated optics devices Semiconductors
2015/6/8
We discuss monolithic integration of a 100-channel AWG with a 10-GHz channel spacing with 100 Michelson-interferometer-based phase- and amplitude-modulators. The AWG showed approximately 10 dB crossta...
Multi-channel return-to-zero signal regeneration using a single phase modulator and an AWG
Fiber optics communications Signal regeneration
2015/6/4
We demonstrate multi-channel RZ signal regeneration based on a phase-modulator and an AWG. BER improvements for 8 10Gb/s channels after 450km transmission demonstrate that regeneration with timing jit...
Full-mesh Wavelength Routing over Interconnected AWG-STARs Employing Coprime-Channel-Cycle Arrayed-Waveguide Gratings
Wavelength Interconnected AWG-STARs Coprime-Channel-Cycle Arrayed-Waveguide Gratings
2015/7/17
We propose and demonstrate a novel technique for interconnecting AWG-based wavelength routing networks. Experiments successfully demonstrated that this enables us to establish full-mesh wavelength pat...
Simultaneous WDM-DQPSK Demodulation With a Single AWG
Simultaneous WDM-DQPSK Demodulation Single AWG
2015/7/15
We experimentally demonstrate simultaneous demodulation of wavelength division multiplexed (WDM)DQPSK signals with a single arrayed waveguide grating (AWG). We then compare this receiver to the conven...
Ultra Small 100 GHz 40 ch Athermal AWG Module Using 2.5%-∆ Silica-Based Waveguides
Athermal AWG Module Silica-Based Waveguides
2015/7/30
We demonstrated an ultra small 100GHz 40ch athermal AWG module based on 2.5%- ∆ waveguides. The module is 30x10x5mm with an insertion loss of 2.0-2.9 dB.
降低AWG插入损耗和串扰设计新方法
阵列波导光栅 楔形 插入损耗 串扰
2007/12/7
在AWG器件的设计中引入了抛物线型的楔形波导结构,根据过渡区理论优化了引入的抛物线型楔形结构的形状和尺寸.采用抛物线型楔形结构代替直线型楔形结构,AWG的插入损耗降低了2 dB左右.在优化参数时使输出/输入波导间距与阵列波导间距取不同的值,并使输出/输入波导间距适当增大,而阵列波导间距取较小值,这样使得串扰降至－30 dB以下且插入损耗保持在低水平.运用光束传播方法给出器件的输出光谱并证实了理论上...
AWG结构的优化设计
2007/8/20
通过分析AWG中心波导倾角特性,优化焦点间距,提出了两个结构约束方程,得出了结构紧凑的AWG设计方法.根据这一方法,可以由一定损耗条件下的最小弯曲半径和接口参数—接口处输入/输出波导间距和最短直波导长度,优化并完全确定其它结构参数,从而得到最小面积的AWG波导结构.最后给出了优化设计实例.
A New Design to Reduce Insertion Loss and Crosstalk of AWG
Arrayed waveguide grating (AWG) Taper Insertion loss Crosstalk
2011/12/28
The parabolic taper structure was introduced which is smoother than the linear taper. The structure of the parabolic taper waveguides was optimized using the transition region theorty. By introducing ...