Varun Verma

Publications

Heterogeneous integration for on-chip quantum photonic circuits with single quantum dot devices

October 12, 2017

Author(s):

Marcelo I. Davanco, Liu Jin, Luca Sapienza, Chen-Zhao Zhang, Jose Vinicius De Miranda Cardoso, Varun B. Verma, Richard P. Mirin, Sae Woo Nam, Liu Liu, Kartik A. Srinivasan

Photonic integration is establishing itself as an enabling technology for photonic quantum science, offering considerably greater scalability, stability, and...

UV-sensitive superconducting nanowire single photon detectors for integration in an ion trap

April 17, 2017

Author(s):

Daniel H. Slichter, Varun B. Verma, Dietrich G. Leibfried, Richard P. Mirin, Sae Woo Nam, David J. Wineland

We demonstrate superconducting nanowire single photon detectors with 76 +/- 4% system detection efficiency at a wavelength of 315 nm and an operating...

Spectral correlation and interference in continuous-wave non-degenerate photon pairs at telecom wavelengths

March 14, 2017

Author(s):

Paulina S. Kuo, Thomas Gerrits, Varun B. Verma, Sae Woo Nam

We have developed an entangled photon pair source based on a domain-engineered, type-II periodically poled lithium niobate crystal that produces signal and...

Efficient fiber-coupled single-photon source based on quantum dots in a photonic-crystal waveguide

January 27, 2017

Author(s):

Raphael Daveau, Krishna Coimbatore Balram, Tommaso Pregnolato, Jin Liu, Eun Lee, Jin Dong Song, Varun B. Verma, Richard P. Mirin, Sae Woo Nam, Leonardo Midolo, Kartik A. Srinivasan, Soren Stobbe, Peter Lodahl

Spectral correlation and interference in non-degenerate photon pairs at telecom wavelengths

October 31, 2016

Author(s):

Paulina S. Kuo, Thomas Gerrits, Varun B. Verma, Sae Woo Nam

We characterize an entangled-photon-pair source that produces signal and idler photons at 1533 nm and 1567 nm using fiber-assisted signal-photon spectroscopy...