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Loading wide baseline multi-arrays optical sensor system enables a UAV to obtain large field of view and multi-view information, and maximize its detection performance. An accurate calibration is a necessary prerequisite. Since the key problem on the calibration of multi-array optical system is how to find the accurate extrinsic parameters of single array, we propose a cooperative calibration with...
A phase-interrogation approach for the bulk refractive index sensing based on a silicon-on-insulator (SOI) ring resonator is introduced. The rapid phase variation around the resonance of the ring resonator is interrogated, and a single-sideband generation and coherent detection technology is adopted for the phase measurement. In the proposed approach, most of the intensity noise can be shielded, which...
In this paper we discuss different unconventional nanophotonic solutions using photonic crystal-based components including filters, sensors and polarization splitter, which utilizes positive and negative refracted beams. We illustrate them with design, technology and fabricated devices.
We present an integrated refractive index sensor based on a ring-shaped photonic crystal waveguide. We measured the shift in cut-off wavelength for different ambient refractive indices and we observed a sensitivity of ????/??n = 110 nm/RIU.
We introduce a compact, low-power electro-optical switch on a silicon-on-insulator circuit through heterogeneous integration. A 10µm diameter III-V microdisk cavity is employed as the switching element. Switching of a 10Gbps optical signal is demonstrated by sweeping the bias between −1.1V and +0.9V with 15dB extinction ratio and 1.2ns switching speed.
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