THz coherent source based on light structuration using III-V semiconductor laser technology

Adrian Bartolo; Mohamed Nadrani; Baptiste Chomet; Alaeddine Abbes; Nathan Vigne; Grégoire Beaudoin; Mathias Marconi; Luc Le Gratiet; Konstantinos Pantzas; Annick Pénarier; Philippe Nouvel; Guillaume Ducournau; Ping-Keng Liu; Mona Jarrahi; Massimo Giudici; Isabelle Sagnes; Arnaud Garnache; Stephane Blin

doi:10.1117/12.3017105

18 June 2024 THz coherent source based on light structuration using III-V semiconductor laser technology

Adrian Bartolo, Mohamed Nadrani, Baptiste Chomet, Alaeddine Abbes, Nathan Vigne, Grégoire Beaudoin, Mathias Marconi, Luc Le Gratiet, Konstantinos Pantzas, Annick Pénarier, Philippe Nouvel, Guillaume Ducournau, Ping-Keng Liu, Mona Jarrahi, Massimo Giudici, Isabelle Sagnes, Arnaud Garnache, Stephane Blin

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Proceedings Volume PC12994, Terahertz Photonics III; PC129940A (2024) https://doi.org/10.1117/12.3017105
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

THz photonics-based sources are attractive as they offer room-temperature solutions that rely on mature photonics technology and provide broadband tunability and large modulation bandwidth to address specific THz applications such as high-data-rate communications or spectroscopy. We will present an overview of our recent results on coherent and structured light emitted from III-V semiconductor lasers and we will focus on THz generation based on these original near-infrared lasers operating at 1064 nm. Vertical external-cavity surface-emitting lasers that exploit parity symmetry breaking together with integrated meta-surfaces can generate unconventional light states such as vortex light, spatially modeless laser, transverse multiplexing, non-linear structured light... Coherent THz emission has been obtained from a dual-mode laser, that operates simultaneously on two Laguerre-Gauss transverse modes, using either uni-traveling-carrier photodiodes and plasmonic photo-conductive antennas. We will discuss the ongoing work towards multiplex structured coherent photonic sources that offer high potential for powerful THz emission.

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Adrian Bartolo, Mohamed Nadrani, Baptiste Chomet, Alaeddine Abbes, Nathan Vigne, Grégoire Beaudoin, Mathias Marconi, Luc Le Gratiet, Konstantinos Pantzas, Annick Pénarier, Philippe Nouvel, Guillaume Ducournau, Ping-Keng Liu, Mona Jarrahi, Massimo Giudici, Isabelle Sagnes, Arnaud Garnache, and Stephane Blin "THz coherent source based on light structuration using III-V semiconductor laser technology", Proc. SPIE PC12994, Terahertz Photonics III, PC129940A (18 June 2024); https://doi.org/10.1117/12.3017105

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KEYWORDS

Terahertz radiation

Laser applications

Physical coherence

Group III-V semiconductors

Laser frequency

Laser optics

Photonics

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