Filters








25 Hits in 11.7 sec

Control of integrated micro-resonator wavelength via balanced homodyne locking

Jonathan A. Cox, Anthony L. Lentine, Douglas C. Trotter, Andrew L. Starbuck
2014 Optics Express  
We describe and experimentally demonstrate a method for active control of resonant modulators and filters in an integrated photonics platform.  ...  Variations in resonance frequency due to manufacturing processes and thermal fluctuations are corrected by way of balanced homodyne locking.  ...  DeRose regarding the design of sub-components used in this photonic circuit. Funding for this work was provided by Sandia's Laboratory Directed Research and Development (LDRD) program.  ... 
doi:10.1364/oe.22.011279 pmid:24921825 fatcat:e3w5oavorfhlhlp4lnq3nok5pe

Deep Learning with Coherent VCSEL Neural Networks [article]

Zaijun Chen, Alexander Sludds, Ronald Davis, Ian Christen, Liane Bernstein, Tobias Heuser, Niels Heermeier, James A. Lott, Stephan Reitzenstein, Ryan Hamerly, Dirk Englund
2022 arXiv   pre-print
Homodyne detection-based nonlinearity enables nonlinear activation with instantaneous response.  ...  Here we experimentally demonstrate an ONN system that simultaneously overcomes all these challenges.  ...  Miller of Stanford University for the informative discussions on high-speed and low-energy interconnects. We thank Dr. Nicholas Harris and Dr.  ... 
arXiv:2207.05329v1 fatcat:fdkr6d4eofcv5aqu5xmg2xlmuu

2009 Index IEEE Photonics Technology Letters Vol. 21

2009 IEEE Photonics Technology Letters  
M., see Xie, K., LPT Oct.15, 2009 1550-1552 Jiang, S., see Zhou, J., LPT Dec.15, 2009 High-Sensitivity Optical Preamplifier for WDM Systems Using an Optical Parametric Amplifier.  ...  C., Full-Duplex Radio-Over-Fiber System Using Phase-Modulated Downlink and Intensity-Modulated Uplink; LPT Jan.1, 2009 9-11 Jia, L., see Li, J., LPT Nov.1, 2009 1639-1641 Jia, S., see Yan, L., LPT  ...  J., +, LPT July1, 2009 866-868 High-Speed CMOS Integrated Optical Receiver With an Avalanche Pho- todetector. Youn, J.  ... 
doi:10.1109/lpt.2009.2037998 fatcat:n34coz3rhzgu3bb6aqflixvoay

Frequency Comb-Based WDM Transmission Systems Enabling Joint Signal Processing

Lars Lundberg, Magnus Karlsson, Abel Lorences-Riesgo, Mikael Mazur, Victor Torres-Company, Jochen Schröder, Peter Andrekson
2018 Applied Sciences  
We review the use of optical frequency combs in wavelength-division multiplexed (WDM) fiber optic communication systems.  ...  We give an overview of different techniques for the generation of optical frequency combs and review their use in WDM systems.  ...  needs individual thermal control and other control circuits.  ... 
doi:10.3390/app8050718 fatcat:ihkutfhwnrf2xhxr55i2ajphem

Single chip photonic deep neural network with accelerated training [article]

Saumil Bandyopadhyay, Alexander Sludds, Stefan Krastanov, Ryan Hamerly, Nicholas Harris, Darius Bunandar, Matthew Streshinsky, Michael Hochberg, Dirk Englund
2022 arXiv   pre-print
Here we introduce such a system in a scalable photonic integrated circuit (PIC), enabled by several key advances: (i) high-bandwidth and low-power programmable nonlinear optical function units (NOFUs);  ...  As deep neural networks (DNNs) revolutionize machine learning, energy consumption and throughput are emerging as fundamental limitations of CMOS electronics.  ...  We used benchtop electronics in our demonstration to control the devices on chip. In practice, the devices would be controlled by a custom CMOS integrated circuit.  ... 
arXiv:2208.01623v1 fatcat:7z2jpij53neb5ee7nyqfuhhxti

Roadmap on all-optical processing

Paolo Minzioni, Cosimo Lacava, Takasumi Tanabe, Jianji Dong, Xiaoyong Hu, Gyorgy Csaba, Wolfgang Porod, Ghanshyam Singh, Alan E Willner, Ahmed Almaiman, Victor Torres-Company, Jochen Schröder (+20 others)
2019 Journal of Optics  
This work was partially supported by an NSF NEB 2020 grant and an NSF EAGER award.  ...  Acknowledgments Center for Integrated Access Network Acknowledgments We thank Jeff Shapiro, Jim Franson and Peter Knight for valuable discussions on this weak nonlinearity approach.  ...  I-Q modulator, four balanced receivers, a local oscillator and an optical hybrid, and power hungry and expensive high speed electronics.  ... 
doi:10.1088/2040-8986/ab0e66 fatcat:6zg52wqctvgldeddmehkezzjnq

Roadmap on integrated quantum photonics

Galan Moody, Volker Sorger, Paul Juodawlkis, William Loh, Cheryl Sorace-Agaskar, Alex E. Jones, Krishna Balram, Jonathan Matthews, Anthony Laing, Marcelo Davanco, Lin Chang, John Bowers (+42 others)
2021 Journal of Physics: Photonics  
The underlying optical quantum technologies can only be realized through the integration of these components onto quantum photonic integrated circuits (QPICs) with accompanying electronics.  ...  Integrated photonics will play a key role in quantum systems as they grow from few-qubit prototypes to tens of thousands of qubits.  ...  discussions; Andrew G White and William J Munro for reading an early draft of this roadmap.  ... 
doi:10.1088/2515-7647/ac1ef4 fatcat:2jqgl67nczdjhfbfriapotmbbu

2021 Index Journal of Lightwave Technology Vol. 39

2021 Journal of Lightwave Technology  
., +, JLT Sept. 1, 2021 5494-5501 High-Speed DD Transmission Using a Silicon Receiver Co-Integrated With a 28-nm CMOS Gain-Tunable Fully-Differential TIA.  ...  ., +, JLT April 1, 2021 2099-2105 High-Speed DD Transmission Using a Silicon Receiver Co-Integrated With a 28-nm CMOS Gain-Tunable Fully-Differential TIA.  ... 
doi:10.1109/jlt.2021.3139461 fatcat:exvpvueqifaezc36oxjrpywvl4

2021 Index IEEE Photonics Journal Vol. 13

2021 IEEE Photonics Journal  
JPHOT Aug. 2021 6600207 A Heterogeneous Silicon on Lithium Niobate Modulator for Ultra-Compact and High-Performance Photonic Integrated Circuits.  ...  Wang, J., +, JPHOT Oct. 2021 7200204 A Heterogeneous Silicon on Lithium Niobate Modulator for Ultra-Compact and High-Performance Photonic Integrated Circuits.  ... 
doi:10.1109/jphot.2022.3149205 fatcat:xzfdp6eoijffzkqb7biyaptzua

Quantum-Computing Architecture based on Large-Scale Multi-Dimensional Continuous-Variable Cluster States in a Scalable Photonic Platform [article]

Bo-Han Wu, Rafael N. Alexander, Shuai Liu, Zheshen Zhang
2019 arXiv   pre-print
One-way quantum computing is an appealing approach that shifts the burden from high-fidelity quantum gates and quantum memories to the generation of high-quality entangled resource states and high fidelity  ...  The architecture can accommodate hundreds of simultaneously addressable entangled optical modes multiplexed in the frequency domain and an unlimited number of sequentially addressable entangled optical  ...  An array of detectors perform balanced measurements.  ... 
arXiv:1909.05455v2 fatcat:qzsx4ut3rvdwng3ecq3chh3m6i

Cavity optomechanical sensing

Bei-Bei Li, Lingfeng Ou, Yuechen Lei, Yong-Chun Liu
2021 Nanophotonics  
In this article, we review the progress of precision sensing applications using cavity optomechanical systems.  ...  sensing, mass sensing, force sensing, atomic force microscope (AFM) and magnetic resonance force microscope (MRFM), accelerometry, magnetometry, and ultrasound sensing, and introduce the progress of using  ...  a platform for high-speed magnetic field sensors.  ... 
doi:10.1515/nanoph-2021-0256 fatcat:32vpjqyzdjb5losqpgtfpkeqei

Netcast: Low-Power Edge Computing with WDM-defined Optical Neural Networks [article]

Ryan Hamerly, Alexander Sludds, Saumil Bandyopadhyay, Zaijun Chen, Zhizhen Zhong, Liane Bernstein, Dirk Englund
2022 arXiv   pre-print
The simultaneous use of wavelength multiplexing, broadband modulation, and integration detection allows large neural networks to be run at the client by effectively pushing the energy and memory requirements  ...  array to encode the network's weights onto an optical signal in an analog time-frequency basis, and (2) the client obtains the desired matrix-vector product through modulation and time-integrated detection  ...  Recently, we introduced Netcast, an optical neural-network architecture that combines the advantages of wavelength division multiplexing (WDM), broadband modulation, and integration detection [24] -  ... 
arXiv:2207.01777v1 fatcat:cum3y5dz45aizn5szytfkk5nda

Padmaraju_columbia_0054D_12292.pdf [article]

2017
An FPGA implementation of the control system is used to scale to a WDM microring demultiplexer, demonstrating the simultaneous wavelength locking of multiple microring resonators.  ...  Specifically, the use of integrated heaters to thermally tune and lock microring resonators to laser wavelengths, and the underlying control systems to enable such functionality.  ...  locking speed of any implemented control system using an integrated heater is limited by the thermal time constant.  ... 
doi:10.7916/d8z89kzg fatcat:v6ymjye6zbe2ja3vbhujnlmuii

Quantum nanophotonic and nanoplasmonic sensing: towards quantum optical bioscience laboratories on chip

Jolly Xavier, Deshui Yu, Callum Jones, Ekaterina Zossimova, Frank Vollmer
2021 Nanophotonics  
This demands an integrated non-classical sensing approach which would combine the subtle non-deterministic measurement techniques of quantum optics with the device-level integration capabilities attained  ...  Quantum-enhanced sensing and metrology pave the way for promising routes to fulfil the present day fundamental and technological demands for integrated chips which surpass the classical functional and  ...  QDs can also be integrated into photonic circuits based on silicon waveguides and fabricated using standard CMOS processes by a transfer printing method [180] .  ... 
doi:10.1515/nanoph-2020-0593 fatcat:kydzg3ehbnahfnhevztbwuepsu

On-chip quantum and nonlinear optics: from squeezing to spectroscopy

Avik Dutt
2017
Furthermore, we show continuous electrical tuning of the degree of squeezing using integrated platinum microheaters incorporated above coupled microring resonators.  ...  Here we report the first realization of squeezing using an integrated parametric oscillator above threshold based on the ubiquitous third-order nonlinearity.  ...  The reflected beam Circuit used for dither locking the filter cavity to the laser, consisting of a lock-in amplifier and a proportional-integral (P-I) feedback loop.  ... 
doi:10.7298/x40v8b02 fatcat:sgnq2vgpovhixilhnh6r2pv6xm
« Previous Showing results 1 — 15 out of 25 results