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Displaying: 11 - 20 of 31 Results
Electrically-driven nanoscale lasers
This invention is the first demonstration of an electrically driven nanoscale laser. A CdS nanowire, comprising a Fabry-Perot cavity, in contact with an electrode distributed along its length or crossing a Si nanowire, lases above a threshold…
DBD
- Christopher Petty
Investigators
- Charles Lieber
- Xiangfeng Duan
- Yu Huang
- Ritesh Agarwal
Asynchronous circuit techniques for memory error correction
This invention describes a circuit technique for rapidly and efficiently correcting for read and write data errors in a digital semiconductor memory. More specifically, it involves the design of an error-correcting circuit (ECC) as applied to high…
DBD
- Sam Liss
Investigators
- Woodward Yang
- Elaine Ou
A self-sustained soliton oscillator utilizing nonlinear transmission lines and spectrum-preservice nonlinear amplification
The invention describes new methods and apparatus for implementing stable self-starting and self-sustaining electrical nonlinear pulse (e.g., soliton, cnoidal wave, or quasi-soliton) oscillators. In one embodiment, a nonlinear pulse oscillator is…
DBD
- Sam Liss
Investigators
- Donhee Ham
- David Ricketts
- Xiaofeng Li
- Matthew DePetro
Improved metal complex chemical precursors for atomic layer deposition (ALD) and chemical vapor depostion (CVD) using bicyclic guanidines
A new class of metal complex precursors has been identified for use in atomic layer deposition (ALD) and chemical vapor deposition (CVD), using bicycle guanidines as ligands as opposed to acetamidines. The ALD process involves the alternating…
DBD
- Christopher Petty
Investigators
- Roy Gordon
- Leonard Rodriguez
Beyond Moore's Law in opto-electronics: New material enables ultra-fast switching
VO2 is a material known for having a number of outstanding properties that allow it to meet or exceed those of current silicon-based opto-electronics. It is capable of ultrafast switching, low leakage, and is scalable to size-scales smaller than…
DBD
- Sam Liss
Investigators
- Shriram Ramanathan
- Dmitry Ruzmetov
- Venkatesh Narayanamurti
- Changhyun Ko
Vertical silicon nanowires as a universal platform for highly efficient delivery of bioactive molecules into living cells
This platform consists of an array of surface-modified vertical silicon nanowires that have been chemically grown or etched on a wafer and to which virtually any kind of bioactive species (drug, protein, nucleic acid, nanoparticles) may be attached…
DBD
- Christopher Petty
Investigators
- Hongkun Park
- EunGyeong Yang
- JinSeok Lee
- Alexander Shalek
- Myung-Han Yoon
- Jacob Robinson
- Amy Sutton
- Marsela Jorgolli
A to D converter data calibration in real-time delivers faster conversion rates
The new digital data calibration technique allows any pipeline ADC to operate at a speed about 2 bits faster than currently available ADCs. For example, an 8-bit ADC could potentially run at 12 bits, compared to only the 10 bits maximum that might…
DBD
- Sam Liss
Investigators
- Donhee Ham
- Nan Sun
Voltage emergency prediction: Signature-based approach to reducing voltage emergencies
To reduce the gap between nominal and worst-case operating voltages, Harvard researchers have developed a “voltage emergency predictor” that identifies when emergencies are imminent and prevents their occurrence. A voltage emergency predictor…
DBD
- Sam Liss
Investigators
- Gu-Yeon Wei
- David Brooks
- Michael Smith
- Glenn Holloway
- Meeta Gupta
- Vijay Reddi
Improved performance of copper interconnects
Copper (Cu) is now the preferred material for interconnections in ICs because it conducts better and lasts longer than aluminum. However, there are well-known problems with copper interconnects. Copper tends to migrate out of the wiring, degrading…
DBD
- Christopher Petty
Investigators
- Roy Gordon
- Yeung Au
- Youbo Lin
- Harish Bhandari
High-flux, low-power diamond nanowire single-photon source arrays: an enabling material for optical and quantum computing and cryptography
The novel approach taken by the Harvard researchers was to apply top-down nanofabrication techniques to define large arrays of vertically oriented nanowire antennas in a single-crystal diamond substrate. Briefly, structures were made from a…
DBD
- Sam Liss
Investigators
- Marko Loncar
- Thomas Babinec
- Birgit Yao
- Mughees Khan
- Yinan Zhang
- Philip Hemmer