Photonic circuits integrated with CMOS compatible photodetectors

Optical Chemical Sensors

“…For example, refractometric sensor platforms based on geometries such as microsphere 275,276 or microring 277 resonators and 2D photonic crystals 278 show promise for development of compact, array-based chemical sensors, while a number of groups have emphasized and demonstrated the importance of integration of all aspects of the sensor platform (i.e., source, sample, detector) onto a single chip using, for example, CMOS technology. [279][280][281] The use of quantum dots for optical sensing is a rapidly developing area. In particular, quantum dots are increasingly being used as high-brightness fluorescent labels in optical biosensing.…”

“…Advances in optical materials and platforms are likely to play an important role in future developments of OCS. For example, refractometric sensor platforms based on geometries such as microsphere , or microring resonators and 2D photonic crystals show promise for development of compact, array-based chemical sensors, while a number of groups have emphasized and demonstrated the importance of integration of all aspects of the sensor platform (i.e., source, sample, detector) onto a single chip using, for example, CMOS technology. − …”

Recent developments on printed photodetectors for large area and flexible applications

“…The detection bandwidth is typically large, beginning at low frequencies and the maximum frequency being limited by internal processes as the speed of electric carriers in the semiconductor material, or by the involved electronics [17,23]. Time response strongly affects the work of a PD used for detecting pulses.…”

Characterization of Si 3 N 4 /SiO 2 planar lightwave circuits and ring resonators

“…Silicon and doped silicon, such as SiGe, are also good photodetector materials. Photodetectors can be fabricated in silicon wafers 4 . More recently, there has been an increasing interest in making active photonic devices, such as Er-doped waveguide amplifiers 5 and silicon light emitting devices 6,7 on silicon substrates.…”