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Optically Tuneable Microwave-Photonic Phase Shifter Based on Silicon Microring Resonator
Optically Tuneable Microwave-Photonic Phase Shifter Silicon Microring Resonator
2008/8/4
We demonstrate a microwave-photonic phase shifter based on a 20-μm-radius silicon microring resonator, providing a tunable phase shift for a 20-GHz signal in a range of 0 - -4.6 rad.
Performance Prospects of Compact Silicon Microring-Based Electro-Optic Modulator for Analog Optical Links
Compact Silicon Microring-Based Electro-Optic Modulator Analog Optical Links
2008/8/4
We propose ultra-small silicon microring-based analog electro-optic modulators, which exhibit a better SFDR by 5-dB and higher modulation-index compared to MZMs. Third-harmonic-distortion is reduced b...
Extremely low power consumption thermooptic switch (0.6 mW) with suspended ridge and silicon-silica hybrid waveguide structures
Extremely low power consumption thermooptic switch (0.6 mW) suspended ridge silicon-silica hybrid waveguide structures
2008/8/4
We demonstrated an extremely low power consumption thermooptic switch using suspended ridge and silicon-silica hybrid waveguide structures. The switching power was successfully reduced to only 0.6 mW.
Highly Nonlinear Silicon Photonics Slot Waveguides without Free Carrier Absorption Related Speed-Limitations
Highly Nonlinear Silicon Photonics Slot Waveguides Carrier Absorption
2008/8/4
Nonlinear losses of highly nonlinear silicon/organic photonics slot waveguides are analyzed. Unlike silicon strip waveguides, slot waveguides do not show absorption related speed limitations up to hig...
Ultra-small one-chip color-less multiplexer/demultiplexer using silicon photonic circuit
multiplexer/demultiplexer silicon photonic circuit
2008/7/31
Using silicon waveguides, an arrayed waveguide grating and switches are integrated into one chip. Low-power and fast-speed reconfigurability of optical paths within a 2-mm device is demonstrated.
A Hybrid Silicon Sampled Grating DBR Laser integrated with an Electroabsorption Modulator using Quantum Well Intermixing
Hybrid Silicon Sampled DBR Laser integrated Electroabsorption Modulator Quantum Well Intermixing
2008/7/31
We demonstrate the first hybrid silicon sampled grating DBR laser integrated with an electroabsorption modulator. Laser operation >45 o C is achieved with output power >0.5mW. Modulator bandwidth is >...
Silicon-on-Insulator Nanophotonic Waveguide Circuit for Fiber-to-the-Home Transceivers
Silicon-on-Insulator Nanophotonic Waveguide Circuit Fiber-to-the-Home Transceivers
2008/7/31
We present a SOI nanophotonic waveguide circuit for FTTH transceivers. A grating duplexer and planar concave grating are combined to couple and demultiplex the 1310, 1490 and 1550nm communication chan...
Silicon-on-insulator 90°optical hybrid using 4x4 waveguide couplers with C-band operation
Silicon-on-insulator optical hybrid waveguide couplers C-band operation
2008/7/31
We demonstrate simulation and experimental results of 4×4 multimode interference (MMI) couplers in a silicon-on-insulator rib waveguide technology that enable compact integrated optical 90°-hybrid dev...
Generating Spectral-Efficient Duobinary Data Format from Silicon Ring Resonator Modulators
Generating Spectral-Efficient Duobinary Data Format Silicon Ring Resonator Modulators
2008/7/31
Two types of ultra-small silicon microring-based duobinary modulators are proposed and compared.Required drive voltage is as low as 0.77 volt. at 10 Gb/s. Extinction ratio is > 15 dB.
High-Speed 2×2 Switch for Multi-Wavelength Message Routing in On-Chip Silicon Photonic Networks
High-Speed Multi-Wavelength Message Routing On-Chip Silicon Photonic Networks
2008/7/31
A 2×2 multi-wavelength silicon switch, enabling low-power on-chip message routing with ultra-compact footprints,is designed, fabricated, and tested with switching ratios, transition times, and power p...
Silicon photonics for next generation computing systems
Silicon photonics next generation computing systems
2008/7/30
The current tendency in high performance computing systems is to increase the parallelism in processing at all levels utilizing multithreads, increasing the number of chips in racks and blades, as wel...
Optical Isolator for Silicon-on-Insulator Circuits
Optical Isolator Silicon-on-Insulator Circuits
2008/7/30
An optical isolator is fabricated for silicon-on-insulator circuits. The isolator, which employs a nonreciprocal phase shift in a Mach-Zehnder interferometer, is fabricated by directly bonding a magne...
With the goal of developing photonic components that are factory-compatible with silicon microelectronic integrated circuits and optical integrated circuits, silicon photonics has been the subject of ...
Effect of pulse CO2 laser annealing on the crystallization of Er3+ doped Al2O3 thin film to a silica-on-silicon substrate
Laser annealing Alumina thin film Photoluminescence spectrum
2007/12/29
We analyze the effect of the laser annealing on the crystallization of Er3+ doped amorphous Al2O3 thin films deposited on the silica-on-silicon substrate. These thin films were prepared by the microwa...
Subwavelength Grating Structures in Silicon-on-Insulator Waveguides
SWGs SOI subwavelength effect
2007/12/20
First implementations of subwavelength gratings (SWGs) in silicon-on-insulator (SOI) waveguides are discussed and demonstrated by experiment and simulations. The subwavelength effect is exploited for ...