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In this paper, a high efficient fiber-to-waveguide mode converter is demonstrated on the SOI platform, which is composed of a suspended tapered SiO2 waveguide and overlapped Si nano-tapers. The overlapped Si nano-tapers are located in the center of suspended tapered SiO2 waveguide. With a refractive index (<1.4) matching liquid, the coupling losses between the cleaved optical fiber and this...
In this letter, a 2 × 2 thermo-optic waveguide-based switch with ultralow power consumption is demonstrated and fabricated using a standard complementary metal-oxide-semi conductor (CMOS) process. The phase arms are suspended by removing adjacent SiO2 and 120 μm of the underlying Si, while leaving a few SiO2 beams to support the suspended phase arms for the purpose of structural strength. As compared...
To overcome the severe information latency and power consumption, and enable significant parallelism based on a radically new communication landscape, instead of the conventional Cu-interconnect, will be a remarkable breakthrough. Converging electronic and photonic integrated circuits (EPIC) on a single chip platform to enable functional diversification emerges as one promising approach which could...
We demonstrated a high performance DWDM receiver monolithically integrated with AWG and photodetectors array on SOI platform. It is capable of operating at 320 Gbps data rate and its sensitivity is between -16 dBm and -19 dBm.
We report the first demonstration of a waveguide-integrated avalanche photodetector using Group-IV heterostructure materials. Such device achieved a responsivity of ~0.8 A/W at unity gain and an impressive gain-bandwidth product of ~105 GHz at 1550 nm photon wavelength.
A 1.3 mum AlGalnAs MQW SLDs with high output power and broadband spectra has been reported. The device fabricated using ridge waveguide (RWG) structure. The AR coating of device facet, integrated unpumped absorber and bend waveguide were combined together to prevent optical feedback and reduce the spectral ripple. For the SLD at 1.25 mm cavity length, the chip output power is above 23 mW when operating...
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