All-fiber terahertz time-domain spectrometer operating at 1.5 μm telecom wavelengths
Open accessAbstract
The worldwide first all-fiber THz time-domain spectrometer for operation at 1.5 microm is presented. Applications up to 3 THz are demonstrated. Key devices are photoconductive antennas based on novel LT InGaAs/InAlAs multi-layer structures.
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Femtosecond fiber lasers in the telecom wavelength regime of 1.5 μm have typical repetition rates between 250 MHz and 40 MHz.
“femtosecond fiber lasers in the telecom wavelength regime of 1.5 µm-the workhorses in most of today's terahertz TDS systems [15,24]-have typical repetition rates between 250 MHz and 40 MHz.”
From Fastest Thickness Measurements with a Terahertz Time-Domain System Based on Electronically Controlled Optical Sampling (2019) · cites this paper as [24]
Section 3 (page not specified) describes a 1550 nm fiber laser delivering 100 fs pulses at a 100 MHz repetition rate, supporting one example within the claimed range. The paper does not establish that 40–250 MHz is typical of such lasers generally. (LLM, conf=0.85)
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References 6 · Cited by 265
Research works printed but not linked: 7
- [1]B. S. Gupta, J. F. Whitaker, and G. A. Mourou, “Ultrafast carrier dynamics in III-V semiconductors grown by molecular-beam epitaxy at very low substrate temperatures,” IEEE J. Quantum Electron. 28, 2464 (1992) Crossref
- [2]D. Mittleman, ed., “Terahertz Imaging,” in Sensing with Terahertz Radiation, ISBN 3-540-43110-1 (Springer Verlag, Berlin-Heidelberg, New York, 2003), pp. 117–153.
- [4]M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs THz emitters for 1.56 µm wavelength excitation,” Appl. Phys. Lett. 86, 051104 (2005) Crossref
- [5]M. Suzuki and M. Tonouchi, “Fe-implanted InGaAs photoconductive terahertz detectors triggered by 1.56 µm femtosecond optical pulses,” Appl. Phys. Lett. 86, 163504 (2005) Crossref
- [6]N. Chimot, J. Mangeney, L. Joulaud, P. Crozat, H. Bernas, K. Blary, and J. F. Lampin, “Terahertz radiation from heavy-ion-irradiated In0.53Ga0.47As photoconductive antenna excited at 1.55 µm,” Appl. Phys. Lett. 87, 193510 (2005) Crossref
- [7]H. Künzel, J. Böttcher, R. Gibis, and G. Urmann, “Material properties of In0.53Ga0.47As on InP by low-Temperature Molecular Beam Epitaxy,” Appl. Phys. Lett. 61, 1347 (1992) Crossref
- [8]R. Wilk, M. Mikulics, K. Biermann, H. Künzel, I. Z. Kozma, R. Holzwarth, B. Sartorius, M. Mei, and M. Koch, “THz time-domain spectrometer based on LT-InGaAs photoconductive antennas exited by a 1.55 µm fibre laser,” paper CThR2 on Conference on Lasers and Electro-Optics 2007, Baltimore, Maryland, USA, May 6–11, 2007
- Authors
- Sartorius, B., Roehle, H., Künzel, H., Böttcher, J., Schlak, M., Stanze, D., Venghaus, H., & Schell, M.
- Affiliations
- Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute (DE)
- Venue
- Optics Express
- Publisher
- Optica Publishing Group
- Published
- 2008-06-13
- Volume
- 16
- Issue
- 13
- Pages
- 9565
- ISSN
- 1094-4087 (ISSN-L)
- OpenAlex
- W2049670300
- Cited by
- 265
- References
- 6
- Citations by year
- 2026: 5 · 2025: 8 · 2024: 3 · 2023: 6 · 2022: 10 · 2021: 14 · 2020: 13 · 2019: 23 · 2018: 11 · 2017: 20 · 2016: 14 · 2015: 11 · 2014: 25 · 2013: 19 · 2012: 16
- FWCI
- 20.06
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Optics Express (publishedVersion)
- PubMed (publishedVersion)
- Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft) (submittedVersion, other-oa)
- Fraunhofer-Publica (Fraunhofer-Gesellschaft) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Photonic Crystal and Fiber Optics
- Keywords
- terahertz time-domain spectroscopy, photoconductive antenna, InGaAs/InAlAs heterostructures, terahertz generation
- MeSH terms
- Computer Simulation, Equipment Design, Fiber Optic Technology, Light, Microwaves, Models, Theoretical, Scattering, Radiation, Spectrophotometry, Infrared, Telecommunications, Equipment Failure Analysis
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