title: Generation of degenerate, factorizable, pulsed squeezed light at telecom wavelengths.
abstract: We characterize a periodically poled KTP crystal that produces an entangled, two-mode, squeezed state with orthogonal polarizations, nearly identical, factorizable frequency modes, and few photons in unwanted frequency modes. We focus the pump beam to create a nearly circular joint spectral probability distribution between the two modes. After disentangling the two modes, we observe Hong-Ou-Mandel interference with a raw (background corrected) visibility of 86% (95%) when an 8.6 nm bandwidth spectral filter is applied. We measure second order photon correlations of the entangled and disentangled squeezed states with both superconducting nanowire single-photon detectors and photon-number-resolving transition-edge sensors. Both methods agree and verify that the detected modes contain the desired photon number distributions.
authors: National Institute of Standards and Technology, 325 Broadway, Boulder, Colorado 80305, USA.
authors: Thomas
authors: T
authors: Gerrits
authors: Martin J
authors: MJ
authors: Stevens
authors: Burm
authors: B
authors: Baek
authors: Brice
authors: B
authors: Calkins
authors: Adriana
authors: A
authors: Lita
authors: Scott
authors: S
authors: Glancy
authors: Emanuel
authors: E
authors: Knill
authors: Sae Woo
authors: SW
authors: Nam
authors: Richard P
authors: RP
authors: Mirin
authors: Robert H
authors: RH
authors: Hadfield
authors: Ryan S
authors: RS
authors: Bennink
authors: Warren P
authors: WP
authors: Grice
authors: Sander
authors: S
authors: Dorenbos
authors: Tony
authors: T
authors: Zijlstra
authors: Teun
authors: T
authors: Klapwijk
authors: Val
authors: V
authors: Zwiller
mesh_terms: D017076:Computer-Aided Design; D004867:Equipment Design; D019544:Equipment Failure Analysis; D008029:Lighting / Q000295:instrumentation*; D012031:Refractometry / Q000295:instrumentation*; D013685:Telecommunications / Q000295:instrumentation*