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Publications

Search Publications by

Jeff Shainline (Fed)

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Displaying 1 - 25 of 28

Optoelectronic Intelligence

May 7, 2021
Author(s)
Jeff Shainline
To design and construct hardware for general intelligence, we must consider principles of both neuroscience and very-large-scale integration. For large neural systems capable of general intelligence, the attributes of photonics for communication and

Characterization of waveguide-integrated single-photon detectors using integratedphotonic structures

February 18, 2021
Author(s)
Sonia M. Buckley, Alexander N. Tait, Jeffrey T. Chiles, Adam N. McCaughan, Saeed Khan, Richard Mirin, Sae Woo Nam, Jeffrey M. Shainline
We show several techniques for using integrated-photonic waveguide structures to simultaneously characterize multiple waveguide-integrated superconducting-nanowire detectors with a single fiber input. We demonstrate structures for direct comparison of

Microresonator enhanced, waveguide coupled emission from silicon defect centers for superconducting optoelectronic networks

July 10, 2020
Author(s)
Alexander N. Tait, Sonia M. Buckley, Jeffrey M. Shainline, Adam N. McCaughan, Jeffrey T. Chiles, Sae Woo Nam, Richard P. Mirin
Superconducting optoelectronic networks could achieve scales unmatched in hardware-based neuromorphic computing. After summarizing recent progress in this area, we report new results in cryogenic silicon photonic light sources, components central to these

Microring resonator-coupled photoluminescence from silicon W centers

July 10, 2020
Author(s)
Alexander N. Tait, Sonia M. Buckley, Jeffrey T. Chiles, Adam N. McCaughan, Sae Woo Nam, Richard P. Mirin, Jeffrey M. Shainline
Defect centers are promising candidates for waveguide-integrated silicon light sources. We demonstrate microresonator- and waveguide-coupled photoluminescence from silicon W centers. Observations indicate that wavelengths that are on-resonance with

Superconducting microwire detectors with single-photon sensitivity in the near-infrared

June 16, 2020
Author(s)
Jeffrey T. Chiles, Sonia M. Buckley, Adriana E. Lita, Varun B. Verma, Jeffrey M. Shainline, Richard P. Mirin, Sae Woo Nam, Jason Allmaras, Boris Korzh, Emma Wollman, Matthew Shaw
We report on the fabrication and characterization of single-photon-sensitive WSi superconducting detectors with wire widths from 1 υm to 3 υm. The devices achieve saturated internal detection efficiency at 1.55 υm wavelength and exhibit maximum count rates

Optimization of photoluminescence from W centers in silicon-on-insulator for waveguide-coupled sources

May 13, 2020
Author(s)
Sonia M. Buckley, Alexander N. Tait, Galan Moody, Kevin L. Silverman, Sae Woo Nam, Richard P. Mirin, Jeffrey M. Shainline, Stephen Olson, Joshua Hermann, Satyvalu Papa Rao
W centers are trigonal defects generated by self-ion implantation in silicon that exhibit photoluminescence at 1.218\textmu m. We have shown previously that they can be used in waveguide-integrated all-silicon light-emitting diode sources. Here we optimize

Fluxonic processing of photonic synapse events

January 1, 2020
Author(s)
Jeffrey M. Shainline
Much of the information processing performed by a neuron occurs in the dendritic tree. For neural systems using light for communication, it is advantageous to convert signals to the electronic domain at synaptic terminals so dendritic computation can be

Design of superconducting optoelectronic networks for neuromorphic computing

November 6, 2018
Author(s)
Sonia Buckley, Adam McCaughan, Jeff Chiles, Richard Mirin, Sae Woo Nam, Jeff Shainline
We have previously proposed a novel hardware platform for neuromorphic computing based on superconducting optoelectronics that presents many of the features necessary for information processing in the brain. Here we discuss the design and training of

Circuit designs for superconducting optoelectronic loop neurons

October 12, 2018
Author(s)
Jeffrey M. Shainline, Adam N. McCaughan, Jeffrey T. Chiles, Richard P. Mirin, Sae Woo Nam, Sonia M. Buckley
We present designs of superconducting optoelectronic neurons based on superconducting single- photon detectors, Josephson junctions, semiconductor light sources, and multi-planar dielectric waveguides. The neurons send few-photon signals to synaptic

Superconducting optoelectronic networks III: synaptic plasticity

July 5, 2018
Author(s)
Jeffrey M. Shainline, Adam N. McCaughan, Sonia M. Buckley, Christine A. Donnelly, Manuel C. Castellanos Beltran, Michael L. Schneider, Richard P. Mirin, Sae Woo Nam
As a means of dynamically reconfiguring the synaptic weight of a superconducting optoelectronic loop neuron, a superconducting flux storage loop is inductively coupled to the synaptic current bias of the neuron. A standard flux memory cell is used to

Superconducting optoelectronic networks V: networks and scaling

May 17, 2018
Author(s)
Jeffrey M. Shainline, Jeffrey T. Chiles, Sonia M. Buckley, Adam N. McCaughan, Richard P. Mirin, Sae Woo Nam
Networks of superconducting optoelectronic neurons are investigated for their near-term technological potential and long-term physical limitations. Networks with short average path length, high clustering coefficient, and power-law degree distribution are

Superconducting optoelectronic networks IV: transmitter circuits

May 9, 2018
Author(s)
Jeffrey M. Shainline, Adam N. McCaughan, Sonia M. Buckley, Richard P. Mirin, Sae Woo Nam, Amir Jafari-Salim
A superconducting optoelectronic neuron will produce a small current pulse upon reaching threshold. We present an amplifier chain which converts this small current pulse to a voltage pulse sufficient to produce light from a semiconductor diode. This light

Superconducting optoelectronic networks I: general principles

April 6, 2018
Author(s)
Jeffrey M. Shainline, Sonia M. Buckley, Adam N. McCaughan, Jeffrey T. Chiles, Richard P. Mirin, Sae Woo Nam
The design of neural hardware is informed by the prominence of differentiated processing and information integration in cognitive systems. The central role of communication leads to the principal assumption of the hardware platform: signals between neurons

Superconducting optoelectronic networks II: receiver circuits

April 6, 2018
Author(s)
Jeffrey M. Shainline, Sonia M. Buckley, Adam N. McCaughan, Manuel C. Castellanos Beltran, Christine A. Donnelly, Michael L. Schneider, Richard P. Mirin, Sae Woo Nam
Circuits using superconducting single-photon detectors and Josephson junctions to perform signal reception, synaptic weighting, and integration are investigated. The circuits convert photon-detection events into flux quanta, the number of which is

Deuterated silicon nitride photonic devices for broadband optical frequency comb generation

March 26, 2018
Author(s)
Jeffrey T. Chiles, Nima Nader, Daniel D. Hickstein, Su Peng Yu, Travis Briles, David R. Carlson, Hojoong Jung, Jeffrey M. Shainline, Scott A. Diddams, Scott B. Papp, Sae Woo Nam, Richard P. Mirin
We report and characterize low-temperature, plasma-deposited deuterated silicon nitride films for nonlinear integrated photonics. With a peak processing temperature less than 300°C, it is back-end compatible with complementary metal-oxide semiconductor

Versatile silicon-waveguide supercontinuum for coherent mid-infrared spectroscopy

March 6, 2018
Author(s)
Nima Nader, Daniel Maser, Flavio Caldas da Cruz, Abijith S. Kowligy, Henry R. Timmers, Jeffrey T. Chiles, Connor D. Fredrick, Daron A. Westly, Richard P. Mirin, Jeffrey M. Shainline, Scott A. Diddams
Infrared spectroscopy is a powerful tool for basic and applied science. The rich “spectral fingerprints” of compounds in the 3 um - 20 um region provide a means to uniquely identify the molecular structure for applications that include fundamental

All-silicon light-emitting diodes waveguide-integrated with superconducting single-photon detectors

October 2, 2017
Author(s)
Sonia M. Buckley, Jeffrey T. Chiles, Adam N. McCaughan, Galan Moody, Kevin L. Silverman, Martin J. Stevens, Richard P. Mirin, Sae Woo Nam, Jeffrey M. Shainline
An on-chip, silicon-compatible light source has long been pursued for telecommunications, with limited success. However, for integrated systems utilizing superconducting detectors, cryogenic operation is already required. This allows these systems to

Room-temperature-deposited dielectrics and superconductors for integrated photonics

May 1, 2017
Author(s)
Jeffrey M. Shainline, Sonia M. Buckley, Nima Nader, Cale M. Gentry, Kevin C. Cossel, Milos A. Popovic, Nathan R. Newbury, Richard P. Mirin
We present an approach to fabrication and packaging of integrated photonic devices that utilizes waveguide and detector layers deposited at near-ambient temperature. All lithography is performed with a 365 nm i-line stepper, facilitating low cost and high

Superconducting Optoelectronic Circuits for Neuromorphic Computing

March 23, 2017
Author(s)
Jeffrey M. Shainline, Sonia M. Buckley, Richard P. Mirin, Sae Woo Nam
We propose a hybrid semiconductor-superconductor hardware platform for the implementation of neural networks and large-scale neuromorphic computing. The platform combines semiconducting few-photon light-emitting diodes with superconducting-nanowire single