The performance of future manycore processors will only scale with the number of integrated cores if there is a corresponding…
Most modern displays enhance their contrast ratio using combinations of linear polarizers to absorb and dissipate incident light. The polarizers…
Figure 1: (a) A schematic representation of a luminescent solar concentrator. The trapping efficiency is defined as the fraction of…
We maintain a thin-film laboratory that includes a pulsed-laser deposition (PLD) system and an ultra-high vacuum sputter system. In PLD,…
Diffraction gratings and other periodic patterns have long been important tools in research and manufacturing. Diffraction occurs due to the…
Optical computing has the potential to create a paradigm shift in the way information is transmitted and manipulated by creating…
The study of colloidal nanocrystals (NCs) that are optically active in the near-infrared is of great importance, from both a…
Our ongoing research integrating 1.55-µm III-V ridge waveguide gain elements (i.e., diode lasers and semiconductor optical amplifiers) co-axially aligned with…
In recent years the Boyden group has developed optogenetic reagents for neuroscience, starting with channelrhodosin-2 (ChR2) and N. pharaonis halorhodopsin…
Optoelectronic devices intimately integrated on silicon integrated circuits have long been sought for optical intercon-nect applications, optical communications modules, and–more…
Professor Ed Boyden uses light to precisely control neural activity. His lab has invented safe, effective ways to deliver light-gated…
The cost of crystalline silicon solar cells is expected to reduce significantly when the thickness of the silicon layer can…
Photoacoustic spectroscopy is an optical absorption spectroscopy whereby the absorbed optical power is detected indirectly by sensing the thermal excitation…
The terahertz frequency range (1-10 THz) has long remained undeveloped, mainly due to the lack of compact, coherent radiation sources….
Chalcogenide glasses (ChG’s) have recently emerged as a promising material candidate for high-index-contrast (HIC) photonic devices, featuring almost unlimited capacity…
Excitons, bound pairs of electrons and holes, mediate the interconversion of charges and photons and thus can be used for…
The thermoreflectance (TR) technique, shown in Figure 1(a), is utilized to examine thermal conductivity of 0.6% ErAs: N-type InGaAlAs thermoelectric…
In order to improve the sensitivity of superconducting nanowire single-photon-detectors (SNSPDs ) at telecom wavelengths and extend it to the…
Although the majority of silicon photonic research is motivated by end applications where photonic devices can be integrated alongside millions…
Hybrid structures consisting of colloidal quantum dots (QDs) and organic semiconducting materials have attracted a great deal of interest for…
An on-chip electronic-photonic synergy is driven by a continuing demand for better power efficiency, increased functionality, enhanced performance, improved reliability,…
While most classical photonic communication systems expend more than a photon’s worth of energy per bit communicated, the physical limits…
Quantum-dot light-emitting diodes (QD-LEDs), which capitalize on the excellent color saturation and high photoluminescence efficiencies offered by quantum dots (QDs),…
We are developing a guided-wave optical modulator with 1-GHz composite bandwidth Surface Acoustic Wave (SAW) transducer arrays for use in…
J-aggregates are aggregates of organic molecules whose optical properties are characterized by a red-shifted, narrowed absorption band and a larger…
Surface plasmon polaritons (SPP) that propagate at the interface between metals and dielectrics permit strong optical-mode confinement and are therefore…
While boasting high performances and long lifetimes, the associated fabrication and materials costs of established infrared (IR) technologies (such as…
Recently, people have shown increasing interest in spectral engineered mid-infrared (mid-IR) photodetectors due to their promising applications in chemical-biological sensing…
High-performance mid-infrared (mid-IR, i.e. 3-10 µm) photodetectors and imagers are attracting increasing interest recently due to their wide applications in…