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Penn Researchers Discover New Chiral Property of Silicon,With Photonic Applications
Penn Researchers New Chiral Property Silicon Photonic Applications
2015/8/4
y encoding information in photons via their spin, “photonic” computers could be orders of magnitude faster and efficient than their current-day counterparts. Likewise, encoding information in the spin...
Integrated Silicon Photonic Laser Sources for Telecom and Datacom
Integrated Silicon Photonic Laser Sources Telecom Datacom
2014/11/6
We demonstrate record performance heterogeneously integrated telecom wavelength and datacom wavelength lasers, processed simultaneously on the same wafer. Tunable lasers for telecom applications and u...
Comment on “Nonreciprocal Light Propagation in a Silicon Photonic Circuit”
Nonreciprocal Light Propagation Silicon Photonic Circuit
2015/8/7
We show that the structure demonstrated by Feng et al. (Reports, 5 August 2011, p. 729)cannot enable optical isolation because it possesses a symmetric scattering matrix. Moreover,one cannot construct...
Design of a Silicon Overlay Glass Waveguide Sensor
Refractive Index Sensor Slab Waveguide Patterned High Dielectric Overlay FDTD Integrated Optics
2013/1/30
A glass based slab waveguide, coated with a thin patterned high dielectric overlay, is configured into a refractive index sensor. The asymmetric nature of the waveguide configuration is exploited by k...
Low Power and Broadband 2 X 2 Silicon Thermo-Optic Switch
Low Power Broadband Thermo-Optic Switch
2015/5/21
We present a 2X2 silicon thermo-optic switch which requires a switching power of only ～12.5 mW and has a response time of 5.4 μs. The measured extinction ratio of the switch is >～20 dB across the C an...
10Gb/s Silicon Modulator Based on Bulk-Silicon Platform for DRAM Optical Interface
Silicon Modulator Bulk-Silicon DRAM Optical Interface
2015/5/15
We present 10Gb/s silicon Mach-Zehnder modulators fabricated on a bulk silicon wafer.10Gb/s data transmission with extinction ratio of >9dB at de-emphasis level of 12dB is successfully demonstrated.
An Ultra-small,Low-power All-Optical Flip-Flop Memory on a Silicon Chip
Packet switching Optical logic devices Optical processing devices
2015/6/9
A 7.5 m-diameter InP microdisk laser, integrated on an SOI waveguide is demonstrated as all-optical flip-flop working in continuous-wave regime with an electrical power consumption of several mW, and ...
All-Optical Wavelength Conversion of 56 Gbit/s NRZ- DQPSK Signals in Silicon-Organic Hybrid Strip Waveguides
Wavelength conversion devices Harmonic generation mixing
2015/6/9
All-optical wavelength conversion of 56 Gbit/s NRZ-DQPSK based on four-wave mixing is demonstrated in a silicon-organic hybrid strip waveguide operated in TM mode.
All-Optical Spatial Multicasting Using Cascaded Silicon Photonic Devices
All-Optical Spatial Cascaded Silicon Photonic Devices
2015/7/17
We demonstrate all-optical spatial multicasting enabled by nanophotonic devices in two cascaded silicon chips. We evaluate each spatially-multicasted signal using 10-Gb/s BER measurements, facilitatin...
An adaptive optics imaging system is introduced in this paper. A high-resolution liquid crystal on silicon (LCOS) device was used as a phaseonly wavefront corrector instead of a conversional deformabl...