Quantum Dot Single-Photon Generation Source

Quantum Dot Single-Photon Generation Source

Picosecond Laser for Ultimate Control of the Emission Process of Quantum Dots

picoEmerald & pulseSlicer: Ultimate control of the emission process of quantum dots single photon generation with a pulsed picosecond laser source

The realization of a quantum dot single-photon source or the creation of entangled photons is often based on three key elements: a quantum dot emitter, appropriate control of the emission process, and non-linear optical processes.

Controlled single-photon generation “on demand”, i.e. by means of a trigger event, can be achieved by pulsed excitation of the single photon emitter. Picosecond (ps) lasers are particularly suitable for the pulsed excitation of quantum dots. Compared to femtosecond sources, picosecond lasers are particularly narrow-band. They therefore enable resonant excitation of the QD emitter with very high efficiency and without disturbing background emissions.

The optimum degree of narrowness to achieve resonant excitation conditions depends on the properties of the individual quantum dot emitter system. And obviously, the resonant excitation of the QD system also depends on the center wavelength of the pulsed light source. Therefore, it can be seen as an advantage to use a pulsed and wavelength-tunable ps-source whose degree of narrowness is adjustable.

The combination of the tunable ps laser picoEmerald and the spectrum slicer (laser monochromator) pulseSlicer from APE offers this possibility and supports its customers in the field of quantum research, quantum-microscopy, or ghost imaging.

Key Features

  • Small bandwidths because resonances in the single-photon sample are close to each other (selectivity)
  • Wavelength tunability of the picosecond laser to respond to different resonances
  • Wavelength tunability for spectroscopy (different resonances are addressed)
  • Two colors simultaniously available, overlapping in space and time
  • Variable bandwidths to optimally address resonances of different widths (realization with pulseSlicer)
  • High repetition rate for small time constants, since the relatively weak single-photon signals have to be accumulated over a large number of measurements
  • High spectral power density ( = small bandwidth) given by picosecond laser excitation
  • picoEmerald offers larger tuning range compared to Ti:Sa (1500 nm is not available with TiSa); a Ti:Sa in combination with an OPO would be possible, but the power density would be very low
  • Further wavelength tunability into the mid-infrared with the DFG possible
  • Additional automation of the bandwidth (via the pulseSlicer) in combination with the picoEmerald

Datasheets & Brochures

Contact Us

I consent to APE's data safety & privacy conditions.

You need to consent to APE's data safety & privacy conditions before the "send" button is active. You find the data safety & privacy conditions here.


Email & Phone Contacts

APE has distributors around the world to give you the best support. Choose a country to find your local sales contact:

APE Angewandte Physik & Elektronik GmbH
Plauener Strasse 163-165 | Haus N
13053 Berlin, Germany

Phone: +49 30 986 011-30
Fax: +49 30 986011333

Sales: sales@ape-berlin.de
Support: service@ape-berlin.de

Coherent Scientific pty. Ltd.
Hilton SA 5033, South Australia

Phone: +61 8 8150 5200
Email: sales@coherent.com.au
Website: www.coherent.com.au

PulsePower Technology Ltd.
Beijing, Haidan District
China 100090

Phone:+86 10 62565117
Email: mlu@pulsepower.cn
Website: www.pulsepower.cn

Pinnacle Scientific Cooperation
Hangzhou, Jianggan District
China 310020

Phone: +86 571 88225151
Email: sales@psci.cn
Website: www.psci.cn

199 00 Praha 9, Česko

Phone: +420 212 247 293
Email: info@optixs.cz
Website: www.optixs.cz

Gammadata Instrument AB
750 02 Uppsala

Phone: +46 18 56 68 35
Email: sales@gammadata.se
Website: www.gammadata.se

F 92170 Vanves, France

Phone: +33 1 419 061 80
Email: info@optoprim.com
Website: www.optoprim.com

Laser Sciences Services Pvt. Ltd.

Phone: +91 2778 1673
Email: sales@laserscience.in
Website: www.laserscience.co.in/

Photonic Solutions PLC
Edinburgh, UK

Phone: +44 131 664 8122
Email: sales@photonicsolutions.co.uk
Website: www.photonicsolutions.co.uk

Ammo Engineering Ltd.
Petach Tikva 49517, Israel

Phone: +972 3 9239 666
Email: ammo1@ammo.co.il
Website: www.ammo.co.il

Optoprim Srl.

Via Rota, 37
20900 Monza (MB)

Phone: +39 039 834977
Email: info@optoprim.it
Website: www.optoprim.it

Via Monte Giberto, 15
00138 Roma

Phone: +39 06 87657838
Email: info@optoprim.it
Website: www.optoprim.it

Phototechnica Corporation
Saitama 336-0017, Japan

Phone: +81 48 871 0067
Email: voc@phototechnica.co.jp
Website: www.phototechnica.co.jp

Seoul 137-862, Korea

Phone: +82 2 3461 1103
Email: sales@rayvis.co.kr
Website: www.rayvis.co.kr

Guty Cardenas 147, Guadalupe Inn
Ciudad de Mexico, C.P. 01020, Mexico

Main Contact: Vicente Garcia Gomez

Phone: +52 555 401 8254
Email: sales@starkscientific.com

Eurotek International
02-668 Warsaw, Poland

Phone: +48 22 843 79 40
Email: inbox@eurotek.com.pl
Website: www.eurotek.com

Innova Scientific S.L.
28290 Las Rozas de Madrid, Espana

Phone: +34 91 7105650
Email: info@innovasci.com
Website: www.innovasci.com

AceXon Technologies Pte. Ltd.
Singapore 658065

Phone: +65 6565 7300
Email: sales@acexon.com
Website: www.acexontech.com

Innova Scientific S.L.
28290 Las Rozas de Madrid

Phone: +34 91 7105650
Email: info@innovasci.com
Website: www.innovasci.com

SuperbIN Company Ltd.
Taipei 11493
Taiwan, R.O.C.

Phone: +886 2 265 706 78
Email: info@superbin.com.tw
Website: www.superbin.com.tw

Photonic Solutions PLC

Phone: +44 131 664 8122
Email: sales@photonicsolutions.co.uk
Website: www.photonicsolutions.co.uk

APE Applied Physics & Electronics, Inc.
Vancouver | WA | USA

Phone: +1 888 690 3250
Sales: sales@ape-america.com
Support: service@ape-america.com