We experimentally demonstrate a spatially non-blocking five-port optical router, which is based on microring resonators tuned through the thermo-optic effect. The characteristics of microring-resonator-based switching element are investigated to achieve balanced performances in its two output ports. router fabricated SOI platform using standard CMOS processing. effective footprint device about 440×660 μm2. have 3-dB bandwidths larger than 0.31 nm (38 GHz), and extinction ratios better 21 dB...

We propose and demonstrate a directed OR/NOR AND/NAND logic circuit consisting of two parallel microring resonators (MRRs). use electrical signals representing the operands logical operation to modulate MRRs through thermo-optic effect, respectively. The final results are represented by output optical signals. Both operations at 10 kbps demonstrated.

We demonstrate a 26 Gbit/s Mach-Zehnder silicon optical modulator. The doping concentration and profile are optimized, modulation efficiency with the figure of merit (VπL) 1.28 V·cm is achieved. design an 80-nm-wide intrinsic gap between p-type n-type doped regions to reduce capacitance diode prevent from working in slow diffusion mode. Therefore, modulator can be driven small differential voltage 0.5 V no bias. Without elimination dissipated power series resistors reflected electrical...

We design and fabricate a four-port optical router, which is composed of eight microring-resonator-based switching elements, four waveguides six waveguide crossings. The extinction ratio about 13 dB for the through port larger than 30 drop port. crosstalk measured links less -13 dB. average tuning power consumption 10.37 mW efficiency 5.398 mW/nm. routing functionality signal integrity are verified by transmitting 12.5 Gb/s PRBS signal.

We report the implementation of XOR and XNOR operations using an electro-optic directed logic circuit based on two cascaded silicon microring resonators (MRRs), which are both modulated through plasma dispersion effect. PIN diodes embedded around MRRs to achieve carrier-injection modulation. The inherent resonance wavelength mismatch between nominally identical caused by fabrication errors is compensated local microheaters above each MRR thermo-optic Two electrical modulating signals applied...

We demonstrate a carrier-depletion Mach-Zehnder silicon optical modulator, which is compatible with CMOS fabrication process and works well at low driving voltage. This achieved by the optimization of coplanar waveguide electrode to reduce electrical signal transmission loss. At same time, velocity impedance matching are both considered. The 12.5 Gbit/s data experiment fabricated device 2-mm-long phase shifter performed. voltages swing amplitudes 1 V 2 reverse bias 0.5 0.8 applied device,...

We report the simultaneous implementation of XOR and XNOR operations at two ports a directed logic circuit based on cascaded microring resonators (MRRs), which are both modulated through thermo-optic effect. Two electrical modulating signals applied to MRRs represent operands each operation. Simultaneous bitwise 10 kbit/s demonstrated in different operating modes. show that such can be readily realized using plasma dispersion effect or electric field effects, indicating its potential for...

We propose and demonstrate a directed optical decoder that can perform the decoding function from two-bit electrical signal to four-bit based on two cascaded microring resonators. use signals regarded as modulate resonators through thermo-optic effect four appear at output ports, respectively. The device operating 10 kbps is demonstrated.

Optical computing is a new method to implement signal processing functions. The multiplication between vector and matrix an important arithmetic algorithm in the domain. optical vector-matrix multiplier (OVMM) optoelectronic system carry out this operation, which consists of electronic module module. In paper, we propose for OVMM. To eliminate cross talk make full use elements, elaborately designed structure that involves spherical lenses cylindrical utilized system. design software package...

We propose an N-bit optical digital to analog converter (DAC) based on integrated optoelectronic circuit consisting of N microring switches and 1 × 2 splitters, which can transform electrical signal signal. As the proof concept, a 2-bit DAC is fabricated in silicon-on-insulator platform by CMOS-compatible process. The firstly converted two signals then employed modulate through electric-field-induced carrier injection forward biased PIN diodes embedded ring waveguides. output detected at...

We propose and demonstrate a directed optical half-adder based on cascaded microring resonators. Two independent electrical pulse sequences as the two operands are employed to modulate resonators through thermo-optic effect, respectively. The final operation results of output in form bit-wise Sum Carry at its ports simultaneously. addition bits 10 kb/s is demonstrated.

We report an electro-optic directed logic gate based on two U-shaped waveguides and microring resonators, which can implement the XNOR operation. Two electrical signals representing operands of operation are applied to PIN diodes embedded around modulated through plasma dispersion effect. The result is obtained at output port as optical signal. speed 100 Mb/s demonstrated.

We experimentally demonstrated four- and five-port non-blocking optical routers for photonic networks-on-chip. The are based on cascaded microring resonators. New topology design reduces the number of resonators crossings, improving performances in terms tuning power consumption, loss, crosstalk channel uniformity routers. efficient footprints 300x340 μm² 440x660 fourand routers, respectively. Static spectrum tests show that 3-dB bandwidths larger than 0.12 nm 0.31 nm,...

Background Personalized medicine has gained more attention for cancer precision treatment due to patient genetic heterogeneity in recent years. However, predicting the efficacy of antitumor drugs advance remains a significant challenge achieve this task. Objective This study aims predict individual patients based on clinical data. Methods paper proposes personalized drug Specifically, we encode text as probability distribution vector hidden topics space using Latent Dirichlet Allocation...

Get PDF Email Share with Facebook on X Post reddit LinkedIn Add to Mendeley BibSonomy WeChat Citation Copy Text R. Min, Ji, L. Yang, Zhang, Y. Tian, J. Ding, H. Chen, Lu, P. Zhou, and W. Zhu, "A universal method for constructing N-port non-blocking optical router based microring resonators," in Conference Lasers Electro-Optics 2012, OSA Technical Digest (online) (Optica Publishing Group, 2012), paper JW4A.14. Export BibTex Endnote (RIS) HTML Plain alert Save article

As a result of the low modulation efficiency carrier-depletion Mach-Zehnder silicon optical modulator, it always needs high voltage around 6 V, which is very difficult to supply in an integrated high-speed CMOS chip. We demonstrate modulator works at voltage. Its coplanar waveguide electrode carefully designed make sure electrical wave loss along device low. The operates well data rate 12.5 Gb/s, whose phase-shifter length 2 mm. Voltages with swinging amplitudes being 1 V and are applied...

We experimentally demonstrated four- and five-port non-blocking optical routers for photonic networks-on-chip. The are based on cascaded microring resonators. New topology design reduces the number of resonators crossings, improving performances in terms tuning power consumption, loss, crosstalk channel uniformity routers. efficient footprints 300×340 μm2 440×660 four-and routers, respectively. Static spectrum tests show that 3-dB bandwidths larger than 0.12 nm 0.31 nm, extinction ratios 13...

A directed optical comparator based on thermo-optic effect is fabricated, which composed of two microring resonators and a multimode interference (MMI) coupler. The device can compare binary numbers at the speed 10 kbps.

As a result of the low modulation efficiency carrier-depletion Mach-Zehnder silicon optical modulator, it always needs high voltage around 6 V, which is very difficult to supply in an integrated high-speed CMOS chip. We demonstrate modulator works at voltage. Its coplanar waveguide electrode carefully designed make sure electrical wave loss along device low. The operates well data rate 12.5 Gb/s, whose phase-shifter length 2 mm. Voltages with swinging amplitudes being 1 V and are applied...

We demonstrate a 2-mm-long carrier-depletion modulator which can work at speed of 40 Gbps under differential voltage 0.36 V with no reverse bias. The power efficiency could be 49 fJ/bit.