- Thermal independent silicon-nitride slot waveguide biosensor with high sensitivityXiaoguang Tu
Institute of Microelectronics, A STAR Agency for Science, Technology and Research, 11 Science Park Road, Singapore Science Park II, 117685, Singapore
Opt Express 20:2640-8. 2012..29 × 10(-5) RIU respectively. By utilizing Vernier effect through cascaded MZI structures, the measured sensitivity enhancement factor is 8.38, which results in a surface detection limit of 0.155 (pg mm(-2))...
- Fabrication of low loss and high speed silicon optical modulator using doping compensation methodXiaoguang Tu
Institute of Microelectronics, A STAR Agency for Science, Technology and Research, Singapore Science Park II, Singapore
Opt Express 19:18029-35. 2011..After doping profile optimizing, the measured bandwidth of the phase shifter with doping compensation can even reaches 17 GHz with a Loss·Efficiency FOM of about 25.4 dB·V...
- Electrical tracing-assisted dual-microring label‑free optical bio/chemical sensorsJunfeng Song
Institute of Microelectronics, A STAR Agency for Science, Technology and Research, 11 Science Park Road, Science Park II, Singapore 117685, Singapore
Opt Express 20:4189-97. 2012..Proof-of-principle demonstration by testing polyelectrolyte multilayer shows the sensitivity of ~4.0 mW/ng∙mm-2 and the detection limit of ~5.35 pg/mm2...
- Laterally-current-injected light-emitting diodes based on nanocrystalline-Si/SiO2 superlatticeL Ding
Institute of Microelectronics, Agency for Science, Technology and Research, 11 Science Park Road, Science Park II, 117685 Singapore
Opt Express 19:2729-38. 2011..Based on the lateral-current-injection scheme, a Si/SiO2 MQW LED with Fabry-Perot (FP) microcavity and an on-chip waveguided LED that emits at 1.55-µm are proposed...