Postdoc on AlGaAs Photonic Chips for 2 um Optical Communications

Danmarks Tekniske Universitet (DTU)

Ph.d. & forskning
Storkøbenhavn
Øresundregionen

Frist 15. juni 2017

Optical communications is the backbone of our information society; however currently optical fiber transmission is approaching the capacity limit. This project aims to explore novel way using AlGaAs photonic chips for optical communications at a new wavelength region of 2 um, which is part of Villum young investigator program of energy-efficient optical communications at 2 micron beyond capacity crunch (2MAC).

The AlGaAs-on-insulator (AlGaAsOI) nano-waveguide, where a thin AlGaAs layer on top of a low index insulator layer resides on a semiconductor substrate, has recently emerged as an ultra-efficient nonlinear platform, since the AlGaAsOI nano-waveguide combines high intrinsic material nonlinearity with the large index contrast between AlGaAs and silica cladding. In addition, the bandgap of AlGaAs can be engineered by changing the Al concentration to avoid two-photon absorption at telecom wavelengths and reduce three-photon absorption at 2 um. The topic of AlGaAs photonic chip at 2 um is quite novel, leaving ample opportunity for this Postdoc project to significantly push the state-of-the-art in research in this field.

The Postdoc project will be carried out in the High Speed Optical Communications group (HSOC) and Nanophotonic Devices group in the Department of Photonic Engineering at the Technical University of Denmark. The HSOC group is at the very forefront of international research in optical communication technology and holds a number of world records in ultra-high speed optical communication. There is access to state-of-the-art experimental facilities and cleanroom facilities. The two groups are highly international and encourage collaborative work and an informal working environment.

Responsibilities and tasks
This Postdoc position will investigate the research topics below using both experimental and theoretical methods, but not limited to these topics:

  • Design and fabrication of AlGaAsOI devices optimized for 2 um wavelength region.
  • Explore new functionalities for optical signal processing at 2 um using the AlGaAsOI devices.
  • Explore Raman and Brillouin scattering in AlGaAsOI nano-waveguide at 2 um.
  • Investigate Raman lasing and Raman amplification in AlGaAsOI nano-waveguide at 2 um.
  • Investigate Brillouin lasing and Brillouin amplification in AlGaAsOI nano-waveguide at 2 um.

Other content of the position:

  • It may also involve handling other assignments to a limited extent.

Qualifications
Candidates should have a PhD degree or equivalent. The successful candidate will have a profound understanding of integrated photonic devices and will have extensive experience with the design, cleanroom fabrication, and linear/non-linear characterization of photonic devices.

We offer
We offer an interesting and challenging job in an international environment focusing on education, research, scientific advice and innovation, which contribute to enhancing the economy and improving social welfare. We strive for academic excellence, collegial respect and freedom tempered by responsibility. The Technical University of Denmark (DTU) is a leading technical university in northern Europe and benchmarks with the best universities in the world.

Salary and terms of employment
The appointment will be based on the collective agreement with the Confederation of Professional Associations. The allowance will be agreed with the relevant union. The period of employment is 2 years.

The workplace will be DTU Fotonik, Department of Photonics Engineering, at Lyngby Campus.

Further information
Further information may be obtained from Senior Researcher Hao Hu, and Researcher Minhao Pu, .

You can read more about DTU Fotonik on www.fotonik.dtu.dk.

Application procedure
Please submit your online application no later than June 15th, 2017. Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online," fill in the online application form, and attach all your materials in English in one PDF file. The file must include:

  • Application (cover letter)
  • CV
  • Diploma (MSc/PhD)
  • List of publications

Applications and enclosures received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.DTU Fotonik has 210 employees with competences in optics and is one of the largest centers in the world based solely on research in photonics. Research is performed within optical sensors, lasers, LEDs, photovoltaics, ultra-high speed optical transmission systems, bio-photonics, nano-optics and quantum photonics.DTU is a technical university providing internationally leading research, education, innovation and public service. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 10,600 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.


Ansøgningsfrist d. 15.06.2017

Ph.d. & forskning
Storkøbenhavn
Øresundregionen
Elektro & Telekommunikation
Matematik, Fysik & Nano
Teknik & Teknologi
Forskning & Udvikling
Naturvidenskab
Teknik
Topledelse


Opslag oprettet d. 05.05.2017, sidst opdateret d. 05.05.2017




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