Demonstration of 20 Gbit/s all-optical logic XOR in integratedSOA-based interferometric wavelength converter

The results of optical logic exclusive-OR (XOR) at up to 20 Gbit/s in an integrated SOA-based Mach-Zehnder interferometer are presented. For the first time, to the knowledge of the authors, BER measurements are demonstrated on 10 Gbit/s optical logic XOR, with zero penalty. In addition. For the first time 20 Gbit/s all-optical XOR, with an integrated device that allows simple, stable, and efficient operation, is demonstrated     

40 Gbit/s RZ wavelength converter in a monolithically integrated chip with a tunable laser

An all-optical wavelength-switch module with 40 Gbit/s capacity is integrated monolithically in InP. The device combines an SOA-based wavelength converter and a fast-tunable 8-channel multi-frequency laser. Error-free operation is demonstrated.     

10 Gbit/s data modulation using 1.3 /spl mu/m InGaAs quantum dot lasers

Error-free 8 and 10 Gbit/s data modulation with quantum dot lasers emitting at 1.3 /spl mu/m is presented. 12 Gbit/s open eye patterns are observed. An integrated fibre-optic QD laser module yields error-free data modulation at 10 Gbit/s at a receiver power of -2 dBm.     

30Gbit/s并行光接收模块

报道了一种基于CMOS工艺接收电路芯片和GaAs工艺1×12光电探测器阵列的30Gbit/s并行光接收模块.该模块采用并行光通信方案,利用中高速光电子器件实现信号的高速传输.直接使用未经封装的接收电路裸片和光探测器裸片,采用电路板上芯片技术封装制作模块,并通过倒装焊的方式实现了探测器阵列与列阵光纤的精确对准并形成了可插拔的光接口.测试结果表明模块的接收能力可以达到30Gbit/s.误码率小于10-13时,接收模块的灵敏度可以达到-13.6dBm.     

30Gbit/s Parallel Optical Receiver Module

报道了一种基于CMOS工艺接收电路芯片和GaAs工艺1×12光电探测器阵列的30Gbit/s并行光接收模块.该模块采用并行光通信方案,利用中高速光电子器件实现信号的高速传输.直接使用未经封装的接收电路裸片和光探测器裸片,采用电路板上芯片技术封装制作模块,并通过倒装焊的方式实现了探测器阵列与列阵光纤的精确对准并形成了可插拔的光接口.测试结果表明模块的接收能力可以达到30Gbit/s.误码率小于10-13时,接收模块的灵敏度可以达到-13.6dBm.     

100 and 160 Gbit/s operation of uni-travelling-carrier photodiode module

A uni-travelling-carrier photodiode module with a 1 mm connector output port has been developed. The fabricated module shows clear eye opening at data rates of 100 and 160 Gbit/s. A high output peak voltage of 0.8 V is also achieved at a data rate of 100 Gbit/s, demonstrating a significant advantage of the uni-travelling-carrier photodiode.     

Jitter reduction in 40 Gbit/s all-optical 3R regenerator using integrated MZI-SOA switches

Root-mean-square-phase jitter reduction from 4 to 1 ps in an all-optical 3R regenerator module operating for continuous and different length data packets at 40 Gbit/s is presented. The circuit is based on hybrid integrated Mach-Zehnder interferometric switches. Error-free operation is demonstrated with 2.5 dB power penalty improvement.     

86 Gbit/s SiGe receiver module with high sensitivity for 160/spl times/86 Gbit/s DWDM system

A 86 Gbit/s SiGe receiver chip with an on-chip phase-locked loop and a preamplifier is presented. The chip is mounted and measured in a module assembly with RF-connectors. At the intended system data rate of 86 Gbit/s bit-error-free operation at a high input sensitivity of 50 mV/sub pp/ is demonstrated. With an external clock, high-speed capability is proven by error-free operation up to 100 Gbit/s     

Ultrahigh-speed driverless MQW intensity modulator, and 20 Gbit/s, 100 km transmission experiments

An InGaArInAlAs MQW modulator with the low voltage of 1.5 V for 10 dB extinction ratio and 16 GHz bandwidth has been developed. This ultrahigh-speed modulator enables the modulator driver to be eliminated from the transmitter. 100 km transmission experiments have been carried out using either a 1 V peak to peak output monolithic-IC-driven modulator at 15 Gbit/s or a 2 V peak to peak output multiplexer-driven modulator at 20 Gbit/s. This is the first report on multigigabit operation of MQW modulators to the authors' knowledge.<>     

Parallel-Fed Traveling Wave Photodetector for > 100-GHz Applications

A fully packaged traveling wave photodetector (TWPD) with monolithically integrated optical power splitter for high-speed high-power applications in excess of 100 GHz is demonstrated. The detector module provides a responsivity of 0.24 A/W with a polarization dependence of only 0.2 dB at 1.55 mum wavelength and is suitable for the detection of RZ data rates in excess of 80 Gbit/s with unsaturated peak voltages of >0.5 V. Chip-based measurements show a broadband impedance match, a 3 dB bandwidth of 80 GHz and a maximum electrical output power of -2.5 dBm at 150 GHz.     

InP DHBT selector-driver with 2 X 2.7 V swing for 100 Gbit/s operation

An integrated selector-driver is designed for 100 Gbit/s operation and fabricated using 0.7 μm InP double-heterojunction bipolar transistor (DHBT) technology. The driver has a lumped architecture and operates in differential mode. Two complementary signals each with 2.7 V amplitude (3.2 V_{pp) have been measured at 100 Gbit/s.}     

160 Gbit/s full optical time-division demultiplexing using FWM ofSOA-array integrated on PLC

160 Gbit/s full time-division demultiplexing using a semiconductor optical amplifier hybrid integrated demultiplexer on a planar lightwave circuit is demonstrated. Error-free, demultiplexing from a 160 Gbit/s signal to eight-channel, 20 Gbit/s signals is successfully demonstrated     

5 V, 10 Gbit/s optical receiver module using Si-bipolar IC

A 10 Gbit/s optical receiver module using a Si-bipolar IC has been developed. For low power and low cost, a pure Si-bipolar IC is used in place of a GaAs IC, which is commonly used for over 10 Gbit/s. To widen the frequency bandwidth, multifeedback techniques and a two-stage buffer configuration are used in the preamplifier IC. In addition, a differential circuit configuration is used for stable operation at high frequency. The IC was fabricated using 0.25 μm Si-bipolar technology. The module exhibits sensitivity of <-16 dBm for 10 Gbit/s data with an input dynamic range >15 dB. Small power consumption of 410 mW is achieved with the single power-supply voltage of +5 V     

High performance 10-12.5 Gbit/s modulator driver in InP SHBT technology

A high performance modulator driver circuit is presented using 4" InP SHBT technology. The IC was developed for driving EAM modulators in OC-192 (10 Gbit/s) and with forward error correction (FEC: 10.7 Gbit/s or 12.5 Gbit/s) optical fibre systems. The monolithic integrated circuit features output amplitude control, output crossing point control and output DC offset control. Measured results show the circuit operates at 10 to 12.5 Gbit/s with a swing of 3.1 V/sub p-p/ at each output and 20/18 ps rise/fall times. The power dissipation is 1.4 W with a standard power supply of -5.2 V.     

10Gbit/s XFP光模块的设计

文章介绍了应用于光网络系统的10Gbit/s XFP(小型化可热插拔)光模块的基本原理以及光收发模块的设计,采用了CDR(时钟数据恢复)、APC(自动功率控制)、LA(限幅放大器)和发射驱动集成的主芯片GN2010EA,与传统设计相比不仅降低了设计成本,而且降低了设计的复杂度。测试结果表明,该模块在宽的温度范围内能保持稳定的光功率和消光比,并且指标满足ITU-T标准的要求,符合10Gbit/s光模块设计要求。     

8-channel×2.5 Gbit/s hybrid integrated multiwavelengthphotoreceiver module with arrayed-waveguide grating demultiplexer

A compact 8-channel hybrid integrated multiwavelength photoreceiver module has been fabricated. The module, which consists of an arrayed-waveguide grating demultiplexer with a 100 GHz spacing, a photodiode array using a planar lightwave circuit platform, and preamplifier integrated circuits, successfully operated at 2.5 Gbit/s with good receiver sensitivity better than -17.5 dBm at a bit error rate of 10^-9 for all channels     

Two-stage ultrabroadband driver for optical modulators

A modulator driver has been developed for use in 40 Gbit/s optical transmission systems. It is a two-stage device with distributed amplifiers in the stages. Which is monolithically integrated on a single chip with a high gain of 20 dB. High output voltage swing of 5 V and ultraboadband operation with a bandwidth of 46 GHz     

1.6 Tbit/s(40×40 Gbit/s)光通信传输系统

在国家自然科学基金网(NSFCNet)上已实现由400 km×10 Gbit/s传输链路直接升级的一路400 km×40 Gbit/s光传输实验的基础上,采用自行研制的40×40 Gbit/s载波抑制归零(CS-RZ)码多波长光发送源,进行了160 km的1.6 Tbit/s(40×40 Gbit/s)波分复用(WDM)光传输实验。实验结果表明,对于常规中短距离10 Gbit/s传输链路可以直接升级至40 Gbit/s。但是由于40 Gbit/s传输系统的色散容限小于60 ps/nm,而且传输光纤与色散补偿模块的色散斜率不匹配,要实现40通道40 Gbit/s的传输,必须对40个信道分别进行精细的色散补偿。这也说明,对于宽带的40 Gbit/s多波长系统,有必要优化设计或更新传输链路。     

10Gbit/s SFP+光收发模块

文章报道一种10 Gbit/s SFP+(加强型小型化可热插拔)光收发模块.该模块由TOSA(光发送子系统)、ROSA(光接收子系统)和控制电路组成,实现了SFP+的智能化控制和模块状态监测功能.依照SFF-8431(多源协议)对该模块进行了测试,结果表明,该模块满足10 Gbit/s以太网的应用要求,且最高可支持11.3 Gbit/s的速率.     

40 Gbit/s all-optical demultiplexing using a monolithicallyintegrated Mach-Zehnder interferometer with semiconductor laseramplifiers

The authors demonstrate all-optical error-free demultiplexing of 10, 20 and 40 Gbit/s to 5 Gbit/s data signals by using a monolithically integrated Mach-Zehnder interferometer with two semiconductor laser amplifiers