Search Results - "Vallini, Felipe"

Nonreciprocal lasing in topological cavities of arbitrary geometries by Bahari, Babak, Ndao, Abdoulaye, Vallini, Felipe, El Amili, Abdelkrim, Fainman, Yeshaiahu, Kanté, Boubacar

“…Resonant cavities are essential building blocks governing many wave-based phenomena, but their geometry and reciprocity fundamentally limit the integration of…”
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Programmable plasmonic phase modulation of free-space wavefronts at gigahertz rates by Smolyaninov, Alexei, El Amili, Abdelkrim, Vallini, Felipe, Pappert, Steve, Fainman, Yeshaiahu

“…Space-variant control of optical wavefronts is important for many applications in photonics, such as the generation of structured light beams, and is achieved…”
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Amplification and Lasing of Plasmonic Modes by Smalley, Joseph S. T., Vallini, Felipe, Gu, Qing, Fainman, Yeshaiahu

“…Plasmonic modes provide the potential for routing information with optical speeds and bandwidth at the nanoscale. The inherent tradeoff between modal energy…”
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Characterizing the effects of free carriers in fully etched, dielectric-clad silicon waveguides by Sharma, Rajat, Puckett, Matthew W., Lin, Hung-Hsi, Vallini, Felipe, Fainman, Yeshaiahu

“…We theoretically characterize the free-carrier plasma dispersion effect in fully etched silicon waveguides, with various dielectric material claddings, due to…”
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Amorphous Al2O3 Shield for Thermal Management in Electrically Pumped Metallo-Dielectric Nanolasers by Gu, Qing, Shane, Janelle, Vallini, Felipe, Wingad, Brett, Smalley, Joseph S. T., Frateschi, Newton C., Fainman, Yeshaiahu

“…We analyze amorphous Al 2 O 3 (<inline-formula> <tex-math notation="TeX">\(\alpha \) </tex-math></inline-formula>-Al 2 O 3 ) for use as a thick thermally…”
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Silicon technology compatible photonic molecules for compact optical signal processing by Barea, Luis A. M., Vallini, Felipe, Jarschel, Paulo F., Frateschi, Newton C.

“…Photonic molecules (PMs) based on multiple inner coupled microring resonators allow to surpass the fundamental constraint between the total quality factor…”
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Spectral Engineering With CMOS Compatible SOI Photonic Molecules by Barea, Luis A. M., Vallini, Felipe, de Rezende, Guilherme F. M., Frateschi, Newton C.

“…Photonic systems based on microring resonators have a fundamental constraint given by the strict relationship among free spectral range, total quality factor…”
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On the observation of dispersion in tunable second-order nonlinearities of silicon-rich nitride thin films by Lin, Hung-Hsi, Sharma, Rajat, Friedman, Alex, Cromey, Benjamin M., Vallini, Felipe, Puckett, Matthew W., Kieu, Khanh, Fainman, Yeshaiahu

“…We present experimental results on second-harmonic generation in non-stoichiometric, silicon-rich nitride films. The as-deposited film presents a second-order…”
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Dynamic hysteresis in a coherent high-β nanolaser by Pan, Si Hui, Gu, Qing, El Amili, Abdelkrim, Vallini, Felipe, Fainman, Yeshaiahu

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Observation of second-harmonic generation in silicon nitride waveguides through bulk nonlinearities by Puckett, Matthew W, Sharma, Rajat, Lin, Hung-Hsi, Yang, Mu-Han, Vallini, Felipe, Fainman, Yeshaiahu

“…We present experimental results on the observation of a bulk second-order nonlinear susceptibility, derived from both free-space and integrated measurements,…”
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Real-time dynamic wavelength tuning and intensity modulation of metal-clad nanolasers by Deka, Suruj S., Pan, Si Hui, Jiang, Sizhu, El Amili, Abdelkrim, Vallini, Felipe, Gu, Qing, Fainman, Yeshaiahu

“…To realize ubiquitously used photonic integrated circuits, on-chip nanoscale sources are essential components. Subwavelength nanolasers, especially those based…”
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Modal amplification in active waveguides with hyperbolic dispersion at telecommunication frequencies by Smalley, Joseph S T, Vallini, Felipe, Kanté, Boubacar, Fainman, Yeshaiahu

“…We present a method for studying amplification of electromagnetic modes in active, circularly symmetric waveguides with hyperbolic dispersion. Using this…”
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Nonreciprocal lasing in topological cavities of arbitrary geometries by Bahari, Babak, Ndao, Abdoulaye, Vallini, Felipe, El Amili, Abdelkrim, Fainman, Yeshaiahu, Kanté, Boubacar

“…Not provided…”
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Purcell effect in sub-wavelength semiconductor lasers by Gu, Qing, Slutsky, Boris, Vallini, Felipe, Smalley, Joseph S T, Nezhad, Maziar P, Frateschi, Newton C, Fainman, Yeshaiahu

“…We present a formal treatment of the modification of spontaneous emission rate by a cavity (Purcell effect) in sub-wavelength semiconductor lasers. To…”
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Simple Nanoimprinted Polymer Nanostructures for Uncooled Thermal Detection by Direct Surface Plasmon Resonance Imaging by Hong, Brandon, Vallini, Felipe, Fang, Cheng-Yi, Alasaad, Amr, Fainman, Yeshaiahu

“…We experimentally demonstrate the uncooled detection of long wavelength infrared (IR) radiation by thermal surface plasmon sensing using an all optical readout…”
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Low Resistance Tunnel Junctions for Efficient Electrically Pumped Nanolasers by Cheng-Yi Fang, Vallini, Felipe, El Amili, Abdelkrim, Smalley, Joseph S. T., Fainman, Yeshaiahu

“…Extremely compact nanoscale devices such as electrically pumped nanolasers are difficult to operate at room temperature due to the high electrical resistance…”
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Carrier saturation in multiple quantum well metallo-dielectric semiconductor nanolaser: is bulk material a better choice for gain media? by Vallini, Felipe, Gu, Qing, Kats, Michael, Fainman, Yeshaiahu, Frateschi, Newton C

“…Although multi quantum well (MQW) structure is frequently suggested as the appropriate medium for providing optical gain in nanolasers with low threshold…”
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Embedded coupled microrings with high-finesse and close-spaced resonances for optical signal processing by Souza, Mario C M M, Barea, Luis A M, Vallini, Felipe, Rezende, Guilherme F M, Wiederhecker, Gustavo S, Frateschi, Newton C

“…Single microring resonators have been used in applications such as wavelength multicasting and microwave photonics, but the dependence of the free spectral…”
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Detection of optical activity with diode-integrated hyperbolic metasurfaces by Smalley, Joseph S T, Vallini, Felipe, Fainman, Yeshaiahu

“…We present an analytical technique for designing integrated polarized light-emitting diodes (LEDs) and polarization-sensitive photodiodes (PD) based on…”
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Synthesis of second-order nonlinearities in dielectric-semiconductor-dielectric metamaterials by Lin, Hung-Hsi, Yang, Mu-Han, Sharma, Rajat, Puckett, Matthew W., Montoya, Sergio, Wurm, Christian D., Vallini, Felipe, Fullerton, Eric E., Fainman, Yeshaiahu

“…We demonstrate a large effective second-order nonlinear optical susceptibility in electronic optical metamaterials based on sputtered…”
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