MBE-QNFO Group www.imn-cnm.csic.es/mbe

Benito Alén Instituto de Micro y NanoTecnología IMN-CSIC, Tres Cantos, Spain

Fuentes de fotones individuales plug&play

1. Inyección eléctrica I/V 2. Sintonizable λ 3. Integrable en PIC

Requisitos:

MBE-QNFO Group www.imn-cnm.csic.es/mbe

Nat Photon 10, 631–641 (2016) Sci Adv 2, e1501531 (2016)

Mesa Óptica ~200 cm PIC ~200 µm

MBE- QNFO Group IMN-CNM benito.alen@csic.es

QLED Background

A. Laucht et al New J. Phys. 2009, 11 (2), 023034

Z. Yuan et al Science 295, 102 (2002) J. P. Lee et al Appl. Phys. Lett. 2017, 110 (7), 071102.

P. Munnelly et al ACS Photonics 2017, 4 (4), 790–794.

Single photons

Single photons

B. Alén et al. Patent Application EP3361516A1 (2017)

Our Solution

Mineico Explora Tecnología Proyecto MONO-QLIGHT (2017)

Euramet EMPIR Proyecto SIQUST (2018-2020)

MBE- QNFO Group IMN-CNM benito.alen@csic.es

Plug&play single photon source

25 µm

p n p

IV Characterization @RT

Vmaster (V)

I mas

ter (

µA)

Slave Diode

Vslave (V)

I slav

e (µ

A)

VEC (V)

I EC

(µA)

Master

Slave

Wavelength Tuning knob

Single Photon

Rate knob

Wavelength Tuning knob

Imaster (µA) I sl

ave

(µA)

β~1 Single Photon Rate knob

RS=100 kΩ IS= 6 nA η=1.89

Imaster

Master Diode

Photocurrent

MBE- QNFO Group IMN-CNM benito.alen@csic.es

X-1

926 927 928 929 930 931 9320.0

5.0k

10.0k

15.0k

cps

Wavelength (nm)

X0 XX0 X-1

FSS~40 µeV

5 K 40 mA/cm2 100 mA/cm2

Plug&play single photon source

Single Photon Emission

MBE- QNFO Group IMN-CNM benito.alen@csic.es

Sin partes móviles Sin alineamiento Sin vibraciones Set and forget!

Semiconductor Processing

• Electron Beam Litho • UV Litho • Focused Ion Beam Litho • RIE Etching • PECVD, Sputtering, …

MBE Epitaxial Laboratory

• 5 MBE reactors • III/V compounds: Ga, As, In, Al, P, Sb • Dopants: Si, Be • In-situ characterization

Quantum NanoOptics Laboratory

• Cryogenic Microspectroscopy: 3.5 K to RT • Difraction Limited Spatial Resolution • 100 ps Temporal Resolution • Single Photon Detection (VIS-NIR-TELcom) • Single Spin Physics (0-9 T magnet) • Photon Correlation Spectroscopy

Photonics Opotelectronics Semiconductor NanoMaterials

-6 -4 -2 0 2 4 60.0

0.2

0.4

0.6

0.8

1.0

HBT g2(0)<0.01

g2 (0)

Delay (ns)

Single Photon Sources

Building up a spanish solid state QT platform

MBE- QNFO Group IMN-CNM benito.alen@csic.es

SIQUST – Torino progress meeting benito.alen@csic.es

Plug and play SPS with 7.5 microA pumping and 500 kHz count rate. On-going work to improve fabrication yield and tuneability.

Simulation Technology Epitaxial Growth

Dr. José Llorens Dr. David Fuster Dr. Yolanda González

benito.alen@csic.es

¡Gracias! Looking for industrial partners and investors