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Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Complete system depicting optical power harvesting and optical communication system.

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Presentation on theme: "Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Complete system depicting optical power harvesting and optical communication system."— Presentation transcript:

1 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Complete system depicting optical power harvesting and optical communication system. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

2 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Anatomy of human skin. 19 Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

3 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Wavelength-dependent absorption of different components of human skin, 24 (1–stratum corneum, 2–living epidermis, 3–papillary dermis, 4–upper blood net dermis, 5–reticular dermis, 6–deep blood net dermis, 7–subcutaneous fat). Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

4 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Scattering coefficients of different layers of the skin tissue and fitting results from Mie and Rayleigh theories which describe the spectral dependence of the reduced scattering coefficient of human skin in vitro and its approximation by power law. 25 Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

5 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Types of junctions in standard complementary metal oxide semiconductor (CMOS) devices. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

6 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Types of junction diodes in standard CMOS: (a) P+/NWell, (b) N+/Psub, and (c) Nwell/Psub. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

7 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Effect of parasitic devices on diode stacking: (a) diagram of diodes showing parasitic junction shorting (dotted line) and (b) equivalent circuit showing resulting voltage sources shorting (dotted line). Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

8 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Types of junctions in deep NWell CMOS process (DNW is used to abbreviate “deep NWell,” NW is for “NWell,” Pdnw is for “P region in deep NWell”). Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

9 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Devices in deep NWell-based CMOS process (junction diodes and parasitic BJTs). Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

10 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Micrograph of CMOS photovoltaics (PVs) utilizing deep NWell-based design. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

11 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. (a) Vertical cavity surface emitting laser (VCSEL) chip after etching and (b) cross section of the active area of the device. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

12 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. PV response of a single surface diode. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

13 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. PV response of a stacked CMOS NWell device. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

14 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. Photodiode geometries for the CMOS PV design. The gray area denotes the n-doped well and the white area denotes p/p+ doped areas: (a) SD1, (b) SD2, (c) SD3, and (d) SD4. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

15 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. I−V curves of a VCSEL chip before and after etching. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012

16 Date of download: 6/26/2016 Copyright © 2016 SPIE. All rights reserved. VCSEL output before (dotted line) and after (solid line) power laser illumination. Figure Legend: From: Optical power transfer and communication methods for wireless implantable sensing platforms J. Biomed. Opt. 2015;20(9):095012. doi:10.1117/1.JBO.20.9.095012


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