activity
20172026
most citedBroadband pumped polarization entangled photon-pair source in a linear beam displacement interferometer

43 citations · 99 across the 8 of their papers we have counts for

collaborators

8 papers

quant-ph2026

Terrestrial readiness campaign for space-to-ground quantum communications with a space-qualified entangled photon-pair system

Gianluca De Santis, Jia Boon Chin, Srihari Sivasankaran +8

Realizing a global quantum internet relies on the deployment of robust satellite-based entanglement distribution links. While pioneering demonstrations have established the feasibi…

physics.app-ph2020★ 3 cited

Thermo-mechanical design for a miniaturized quantum light source on board the SpooQy-1 CubeSat

Huai Ying Lim, Tom Vergoossen, Robert Bedington +8

This paper presents the thermo-mechanical design of the quantum light source on board SpooQy-1, a 3U CubeSat that was deployed from the International Space Station on 17th June 201…

quant-ph2020

Entanglement demonstration on board a nano-satellite

Aitor Villar, Alexander Lohrmann, Xueliang Bai +14

Global quantum networks for secure communication can be realised using large fleets of satellites distributing entangled photon-pairs between ground-based nodes. Because the cost o…

quant-ph2019★ 43 cited

Broadband pumped polarization entangled photon-pair source in a linear beam displacement interferometer

Alexander Lohrmann, Chithrabhanu Perumangatt, Aitor Villar +1

We experimentally demonstrate a source of polarization entangled photon-pairs based on a single periodically-poled potassium titanyl phosphate (PPKTP) crystal pumped with a broadba…

physics.optics2019★ 1 cited

Enhancing SPDC brightness using elliptical pump shapes

Aitor Villar, Arian Stolk, Alexander Lohrmann +1

We report on the use of elliptical pump spatial modes to increase the observed brightness of spontaneous parametric downconversion in critically phase matched crystals. Simulations…

quant-ph2018

Generating entangled photon pairs in a parallel crystal geometry

Alexander Lohrmann, Aitor Villar, Alexander Ling

We present recent findings towards developing brighter entangled photon sources in critically phase matched (CPM) nonlinear crystals. Specifically, we use type-I collinear phase ma…

quant-ph2018★ 17 cited

High fidelity field stop collection for polarization-entangled photon pair sources

Alexander Lohrmann, Aitor Villar, Arian Stolk +1

We present an experimental demonstration of a bright and high fidelity polarization entangled photon pair source. The source is constructed using two critically phase matched -B…

quant-ph2017★ 35 cited

Experimental entangled photon pair generation using crystals with parallel optical axes

Aitor Villar, Alexander Lohrmann, Alexander Ling

We present an optical design where polarization-entangled photon pairs are generated within two -Barium Borate crystals whose optical axes are parallel. This design increases th…