U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Kartik Srinivasan (Fed)

Kartik Srinivasan is a Project Leader and NIST Fellow in the Photonics and Optomechanics Group in the Physical Measurement Laboratory, a Fellow of the NIST/University of Maryland Joint Quantum Institute, and an Adjunct Professor of Physics at the University of Maryland. He received B.S., M.S., and Ph.D. degrees in Applied Physics from the California Institute of Technology, where his graduate research was supported by a Fannie and John Hertz Foundation Fellowship. Kartik has published over 150 peer-reviewed papers on topics including integrated quantum photonics, nonlinear nanophotonics such as microresonator frequency combs, quantum frequency conversion, nanoscale electro-optomechanical transducers, and photonic crystals. He has been awarded the NIST Sigma Xi Young Scientist Award, the Presidential Early Career Award for Scientists and Engineers (PECASE), the Department of Commerce Bronze and Gold Medals, and the NIST Samuel Wesley Stratton Award. He is a Fellow of Optica (formerly OSA) and a Deputy Editor of Optica Quantum. 

His laboratory’s website provides more details on his latest research activities in integrated quantum photonics, nonlinear nanophotonics, and nanoscale electro-optomechanical transducers.

Selected Publications

  • Strong interactions between integrated microresonators and alkali atomic vapors: towards single-atom, single-photon operation, R. Zektzer, X. Lu, K.T. Hoang, R. Shrestha, S. Austin, F. Zhou, A. Chanana, G. Holland, D. Westly, P. Lett, A.V.Gorshkov, and K. Srinivasan, Optica, 11(10), 1376-1384 (2024)
    NIST Publication Database        Journal Web Site
  • Parametrically driven pure-Kerr temporal solitons in a chip-integrated microcavity, G. Moille, M. Leonhardt, D. Paligora, N. Englebert, F. Leo, J. Fatome, K. Srinivasan, and M. Erkintalo, Nature Photonics, 18, 617-624 (2024)
    NIST Publication Database        Journal Web Site
  • Kerr-induced synchronization of a cavity soliton to an optical reference, G. Moille, J. Stone, M. Chojnacky, R. Shrestha, U.A. Javid, C. Menyuk, and K. Srinivasan, Nature, 624, 267-274 (2023)
    NIST Publication Database        Journal Web Site
  • Wavelength-accurate nonlinear conversion through wavenumber selectivity in photonic crystal resonators, J.R. Stone, X. Lu, G. Moille, D. Westly, T. Rahman, and K. Srinivasan, Nature Photonics, 18(2), 192-199 (2023)
    NIST Publication Database        Journal Web Site
  • Efficient chip-based optical parametric oscillators from 590 nm to 1150 nm, J.R. Stone, X. Lu, G. Moille, and K. Srinivasan, APL Photonics, 7(12), 121301 (2022).
    NIST Publication Database        Journal Web Site
  • High-Q slow light and its localization in a photonic crystal ring, X. Lu, A. McClung, and K. Srinivasan, Nature Photonics 16, 66-71 (2022).
    NIST Publication Database        Journal Web Site
  • Quantum frequency conversion of a quantum dot single-photon source on a nanophotonic chip, A. Singh, Q. Li, S. Liu, Y. Yu, X. Lu, C. Schneider, S. Hofling, J. Lawall, V. Verma, R. Mirin, S.W. Nam, J. Liu, and K. Srinivasan, Optica, 6(5), 563-569 (2019)
    NIST Publication Database        Journal Web Site
  • Chip-integrated visible-telecom entangled photon pair source for quantum communication, X. Lu, Q. Li, D.A. Westly, G. Moille, A. Singh, V. Anant, and K. Srinivasan, Nature Physics 15, 373-381 (2019)
    NIST Publication Database        Journal Web Site
  • Heterogeneous integration for on-chip quantum photonic circuits with single quantum dot devices, M. Davanco, J. Liu, L. Sapienza, C.-Z. Chang, J. Cardoso, V.B. Verma, R.P. Mirin, S.W. Nam, L. Liu, and K. Srinivasan, Nature Communications 8:889 (2017)
    NIST Publication Database        Journal Web Site
  • Stably accessing octave-spanning microresonator frequency combs in the soliton regime, Q. Li, T.C. Briles, D.A. Westly, T.E. Drake, J.R. Stone, B.R. Ilic, S.A. Diddams, S.B. Papp, and K. Srinivasan, Optica, 4(2), 193-203 (2017).
    NIST Publication Database        Journal Web Site
  • Efficient and low-noise single-photon-level frequency conversion interfaces using silicon nanophotonics, Q. Li, M. Davanço, and K. Srinivasan, Nature Photonics 10, 406–414 (2016).
    NIST Publication Database        Journal Web Site

Publications

Enhanced zero-phonon line emission from an ensemble of W centers in circular and bowtie Bragg grating cavities

Author(s)
Vijin Kizhake Veetil, Junyeob Song, Pradeep Namboodiri, Nikki Ebadollahi, Ashish Chanana, Aaron Katzenmeyer, Christian Pederson, Joshua Pomeroy, Jeff Chiles, Jeff Shainline, Kartik Srinivasan, Marcelo Davanco, Matthew Pelton
Color centers in silicon have recently gained considerable attention as a single-photon source [1,2] and as a spin qubit-photon interface [3] for quantum
View more Publications

Patents (2018-Present)

Barcoded End Facet Printed Photonic Chip And Barcode-Guided Direct Laser Writing

NIST Inventors
Kartik Srinivasan and Edgar Perez
A barcoded end facet printed photonic chip includes: an optically transparent direct laser writing substrate including a transverse waveguide writing surface to receive a direct write laser light for off-axis direct write laser printing and a facet surface to receive the direct write laser light for

Method And Process For Tantala Integrated Nonlinear Photonics

NIST Inventors
Scott Papp , David Carlson and Kartik Srinivasan
Integrated photonics that enable nonlinear optical processes are important for numerous applications, including precision metrology; microresonator frequency comb generation; optical signal generation and processing; sensing, positioning, and navigation; and generation and manipulation of quantum
The figure shows a microfabricated optical probe with the following components: 110 - optical loop, 111 – structured region of 110, 114 – optical waveguide, 116 – first arm of optical waveguide, 120 – substrate, 122 – optical cladding layer, 124 – first single mode optical fiber, 126 – primary light, and 128 – output light.

Microfabricated Optical Probe

NIST Inventors
Vladimir Aksyuk and Kartik Srinivasan
Integrated photonics research and manufacturing requires a probe for in-line nondestructive optical testing of devices. Current optical probes require dedicated and large coupling areas in the photonic circuit, cannot provide sufficient control over the degree, location and direction of optical
View All Patents
Created July 30, 2019, Updated December 17, 2024