Search Results - "Bermel, P"

High efficiency rare-earth emitter for thermophotovoltaic applications by Sakr, E. S., Zhou, Z., Bermel, P.

“…In this work, we propose a rare-earth-based ceramic thermal emitter design that can boost thermophotovoltaic (TPV) efficiencies significantly without cold-side…”
Get full text

Tailoring thermal emission via Q matching of photonic crystal resonances by Ghebrebrhan, M., Bermel, P., Yeng, Y. X., Celanovic, I., Soljačić, M., Joannopoulos, J. D.

“…We develop a model for predicting the thermal emission spectrum of a two-dimensional metallic photonic crystal for arbitrary angles based on coupled-mode…”
Get full text

Time domain simulation of tandem silicon solar cells with optimal textured light trapping enabled by the quadratic complex rational function by Chung, H, Jung, K-Y, Tee, X T, Bermel, P

“…Amorphous silicon/crystalline silicon (a-Si/c-Si) micromorph tandem cells, with best confirmed efficiency of 12.3%, have yet to fully approach their…”
Get full text

Hybrid dielectric light trapping designs for thin-film CdZnTe/Si tandem cells by Chung, H, Zhou, C, Tee, X T, Jung, K-Y, Bermel, P

“…Tandem solar cells consisting of high bandgap cadmium telluride alloys atop crystalline silicon have potential for high efficiencies exceeding the…”
Get full text

Flexible flux plane simulations of parasitic absorption in nanoplasmonic thin-film silicon solar cells by Chung, H., Jung, K-Y, Bermel, P.

“…Photovoltaic light trapping theory and experiment do not always clearly demonstrate how much useful optical absorption is enhanced, as opposed to parasitic…”
Get full text

Sharp Bending of On-Chip Silicon Bragg Cladding Waveguide With Light Guiding in Low Index Core Materials by Yi, Y., Akiyama, S., Bermel, P., Xiaoman Duan, Kimerling, L.C.

“…A novel on-chip Bragg cladding waveguide is designed and fabricated using conventional CMOS techniques. This optical waveguide has a low refractive index core…”
Get full text

Photonic band structure of cholesteric elastomers by Bermel, P A, Warner, M

“…We calculate the photonic band structure along and oblique to the helix axis of cholesteric elastomers. They are highly deformable, self-assembling systems…”
Get full text

Optimized agrivoltaic tracking for nearly-full commodity crop and energy production by Grubbs, E.K., Gruss, S.M., Schull, V.Z., Gosney, M.J., Mickelbart, M.V., Brouder, S., Gitau, M.W., Bermel, P., Tuinstra, M.R., Agrawal, R.

Get full text

Demonstration of enhanced absorption in thin film Si solar cells with textured photonic crystal back reflector by Zeng, L., Bermel, P., Yi, Y., Alamariu, B. A., Broderick, K. A., Liu, J., Hong, C., Duan, X., Joannopoulos, J., Kimerling, L. C.

“…Herein the authors report the experimental application of a powerful light trapping scheme, the textured photonic crystal (TPC) backside reflector, to thin…”
Get full text

Solar thermophotovoltaic energy conversion systems with two-dimensional tantalum photonic crystal absorbers and emitters by Nam, Youngsuk, Yeng, Yi Xiang, Lenert, Andrej, Bermel, Peter, Celanovic, Ivan, Soljačić, Marin, Wang, Evelyn N.

“…Solar thermophotovoltaic (STPV) systems convert solar energy into electricity via thermally radiated photons at tailored wavelengths to increase energy…”
Get full text

Enabling high-temperature nanophotonics for energy applications by Yeng, Yi Xiang, Ghebrebrhan, Michael, Bermel, Peter, Chan, Walker R, Joannopoulos, John D, Soljačić, Marin, Celanovic, Ivan

“…The nascent field of high-temperature nanophotonics could potentially enable many important solid-state energy conversion applications, such as…”
Get full text

Frequency-selective near-field radiative heat transfer between photonic crystal slabs: a computational approach for arbitrary geometries and materials by Rodriguez, Alejandro W, Ilic, Ognjen, Bermel, Peter, Celanovic, Ivan, Joannopoulos, John D, Soljačić, Marin, Johnson, Steven G

“…We demonstrate the possibility of achieving enhanced frequency-selective near-field radiative heat transfer between patterned (photonic-crystal) slabs at…”
Get full text

Design and global optimization of high-efficiency thermophotovoltaic systems by Bermel, Peter, Ghebrebrhan, Michael, Chan, Walker, Yeng, Yi Xiang, Araghchini, Mohammad, Hamam, Rafif, Marton, Christopher H, Jensen, Klavs F, Soljačić, Marin, Joannopoulos, John D, Johnson, Steven G, Celanovic, Ivan

“…Despite their great promise, small experimental thermophotovoltaic (TPV) systems at 1000 K generally exhibit extremely low power conversion efficiencies…”
Get full text

Toward high-energy-density, high-efficiency, and moderate-temperature chip-scale thermophotovoltaics by Chan, Walker R., Bermel, Peter, Pilawa-Podgurski, Robert C. N., Marton, Christopher H., Jensen, Klavs F., Senkevich, Jay J., Joannopoulos, John D., Soljačić, Marin, Celanovic, Ivan

“…The challenging problem of ultra-high-energy-density, high-efficiency, and small-scale portable power generation is addressed here using a distinctive…”
Get full text

Design and global optimization of high-efficiency solar thermal systems with tungsten cermets by Chester, David, Bermel, Peter, Joannopoulos, John D, Soljacic, Marin, Celanovic, Ivan

“…Solar thermal, thermoelectric, and thermophotovoltaic (TPV) systems have high maximum theoretical efficiencies; experimental systems fall short because of…”
Get full text

Commercially Available Solar Tracking Angle Optimization with Maximal Crop Production for State-Wide Agrivoltaic Potential Assessment by Grubbs, E. K., Gruss, S. M., Schull, V. Z., Lee, Changkyun, Brouder, S., Gitau, M. W., Bermel, P., Tuinstra, M.R., Agrawal, R.

“…Agrivoltaics is a unique approach that may allow a single area of land to simultaneously meet food, energy, and water demands for a growing population…”
Get full text

Photonic band structure of highly deformable self-assembling systems by Bermel, P A, Warner, M

“…We calculate the photonic band structure at normal incidence of highly deformable, self-assembling systems-cholesteric elastomers subjected to external stress…”
Get full text

Active materials embedded in photonic crystals and coupled to electromagnetic radiation by Bermel, Peter, Lidorikis, Elefterios, Fink, Yoel, Joannopoulos, John D.

Get full text

Toward high-energy-density, high-efficiency, and moderate-temperature chip-scale thermophotovoltaics by Chan, W. R., Bermel, P., Pilawa-Podgurski, R. C. N., Marton, C. H., Jensen, K. F., Senkevich, J. J., Joannopoulos, J. D., Soljacic, M., Celanovic, I.

“…The challenging problem of ultra-high-energy-density, high-efficiency, and small-scale portable power generation is addressed here using a distinctive…”
Get full text

Enabling high-temperature nanophotonics for energy applications by Yeng, Y. X., Ghebrebrhan, M., Bermel, P., Chan, W. R., Joannopoulos, J. D., Soljacic, M., Celanovic, I.

“…The nascent field of high-temperature nanophotonics could potentially enable many important solid-state energy conversion applications, such as…”
Get full text