Academic literature on the topic 'CW THz photonic transmitters'

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Journal articles on the topic "CW THz photonic transmitters"

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Ibtissame, Moumane, Zbitou Jamal, Errkik Ahmed, El Abdellaoui Larbi, Tajmouati Abdelali, and Latrach Mohamed. "Compact Photonic Transmitter Based on Annular Ring Antenna for THz Applications." TELKOMNIKA Telecommunication, Computing, Electronics and Control 16, no. 5 (2018): 2474–80. https://doi.org/10.12928/TELKOMNIKA.v16i5.10647.

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This paper presents the design of Continuous Wave Terahetz photonic transmitters based on photodector which convert the light signal to electrical signal, THz antenna, low-pass filter (LPF) and DC Probe. In the design of the CW THz photonic transmitter System, we begin with the matching input impedance and validation of THz antenna using an EM solver Momentum integrated in ADS “Advanced Design System”. Then we pass to the optimization of a low-pass filter which had the role of inductance, blocking the RF signal providing from the antenna to reach the DC probe. Finally, we associate
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I., Moumane, Zbitou J., Latrach M., Errkik A., Chakkor O., and Fouad A. "Design of CW THz Photonic Transmitter based on Low Pass-Filter and Bow-tie Wideband Antenna." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 5 (2018): 3801–8. https://doi.org/10.11591/ijece.v8i5.pp3801-3808.

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This paper presents the design of Continuous Wave Terahertz photonic transmitters which is composed from photodetector (PD) associated to a wideband antenna, low–pass filter (LPF) and DC Probe. Firstly, we have developed the bow-tie wideband antenna using an EM solver Momentum integrated in ADS “Advanced Design System”. Then we had optimized a low-pass filter which is responsible of blocking the RF signal providing from the antenna to reach the DC probe. And finally, we have validated into simulation the CW THz photonic transmitter. The three structures are based on multi-lay
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Moumane, Ibtissame, J. Zbitou, M. Latrach, A. Errkik, O. Chakkor, and A. Fouad. "Design of CW THz PhotonicTtransmitter based on Low Pass-Filter and Bow-tie Wideband Antenna." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 5 (2018): 3801. http://dx.doi.org/10.11591/ijece.v8i5.pp3801-3808.

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This paper presents the design of Continuous Wave Terahertz photonic transmitters which is composed from photodetector (PD) associated to a wideband antenna, low–pass filter (LPF) and DC Probe. Firstly, we have developed the bow-tie wideband antenna using an EM solver Momentum integrated in ADS “Advanced Design System”. Then we had optimized a low-pass filter which is responsible of blocking the RF signal providing from the antenna to reach the DC probe. And finally, we have validated into simulation the CW THz photonic transmitter. The three structures are based on multi-layers GaAs substrate
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Moumane, I., J. Zbitou, M. Latrach, A. Errkik, and O. Chakkor. "A novel configuration of THz photonic transmitter." Indonesian Journal of Electrical Engineering and Computer Science 13, no. 1 (2019): 258–64. https://doi.org/10.11591/ijeecs.v13.i1.pp258-264.

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In this paper we present a new design of a photonic transmitter based on multi-layers substrate GaAs and using for generation of THz waves. The proposed circuit is composed from a photodetector (PD) “which converts the light to the electrical signal”, THz Antenna, low-pass filter and DC probe. Firstly we have optimized the THz antenna using an EM solver which is Momentum integrated in ADS “Advanced Design System”. Then we have optimized the low pass filter which plays the role of inductance that is an RF choke permiting to separate the RF signal from the DC one. Finally
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Chen, Nan-Wei, Jhih-Min Wun, Hao-Chen Wang, et al. "Design and Analysis of Waveguide-Coupled Photonic THz Transmitters With an Extremely Wide Fractional Bandwidth." Journal of Lightwave Technology 36, no. 19 (2018): 4235–42. http://dx.doi.org/10.1109/jlt.2018.2808932.

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Li, Yu-Tai, J. W. Shi, Ci-Ling Pan, et al. "Sub-THz Photonic-Transmitters Based on Separated-Transport-Recombination Photodiodes and a Micromachined Slot Antenna." IEEE Photonics Technology Letters 19, no. 11 (2007): 840–42. http://dx.doi.org/10.1109/lpt.2007.897439.

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Li, Yu-Tai, Jin-Wei Shi, C. Y. Huang, et al. "Characterization and Comparison of GaAs/AlGaAs Uni-Traveling Carrier and Separated-Transport-Recombination Photodiode Based High-Power Sub-THz Photonic Transmitters." IEEE Journal of Quantum Electronics 46, no. 1 (2010): 19–27. http://dx.doi.org/10.1109/jqe.2009.2023366.

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Li, Yu-Tai, J. W. Shi, Cheng-Yu Huang, et al. "Characterization of Sub-THz Photonic-Transmitters Based on GaAs–AlGaAs Uni-Traveling-Carrier Photodiodes and Substrate-Removed Broadband Antennas for Impulse-Radio Communication." IEEE Photonics Technology Letters 20, no. 16 (2008): 1342–44. http://dx.doi.org/10.1109/lpt.2008.926855.

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Deumer, M., S. Nellen, S. Berrios, et al. "Advancing terahertz photomixers through the integration of photoconductive antennas with optical waveguides." APL Photonics 10, no. 3 (2025). https://doi.org/10.1063/5.0246801.

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Continuous wave (cw) terahertz (THz) radiation has a wide array of applications, ranging from sensing to next-generation wireless communication links. Industrial applications frequently require THz systems that are broadband, highly efficient, and compact. Photomixer-based solutions hold promise in meeting these demands, offering extremely broadband operation and the potential for miniaturization through photonic integration. However, current photoconductive antenna (PCA) receivers used in these systems are top-illuminated, which strongly limits their efficiency and renders them incompatible w
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Hata, Remma, and Junichi Fujikata. "THz wave Mux/DeMux operation using bearded-type topological photonic crystal waveguide structure." Japanese Journal of Applied Physics, November 9, 2023. http://dx.doi.org/10.35848/1347-4065/ad0b2e.

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Abstract Terahertz (THz)wave wireless communication technologies have been developed to increase transmission capacity in 6G communications. Although the realization of integrated waveguides in THz wave transmitters and receivers is essential, bending loss in THz waveguides is important as well. This study investigated a THz waveguide based on a valley photonic crystal (VPC) structure. We numerically investigated a THz waveguide with sharp bending and Mux/DeMux filters based on the oblique rectangular resonator of a bearded-type VPC waveguide.
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Dissertations / Theses on the topic "CW THz photonic transmitters"

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Biasco, Simone. "Photonic engineering of CW, ultrabroad gain, aperiodic quantum cascade lasers at terahertz frequencies integrations with 2D materials and study of the optical mode dynamics." Doctoral thesis, Scuola Normale Superiore, 2019. http://hdl.handle.net/11384/85908.

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The terahertz (THz) frequency range of the electromagnetic spectrum is usually defined in the range between 0.1 THz and 10 THz, corresponding to wavelengths in the interval from 3 mm to 30 µm, lying in-between the infrared and the microwave spectral regimes. In recent years, the progress of THz technology has fostered interdisciplinary research in spectroscopy and tomography to map macroscopic systems, (chemical detection and imaging, amongst others) or microscopic ones, such as nanoparticles and nanowires on either static or dynamic timescales. THz radiation is commonly generated with
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Huang, Yu-Ru, and 黃郁儒. "Development of Highly Directional and Efficient THz Photonic Transmitters." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/83688739473221525606.

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博士<br>國立臺灣大學<br>光電工程學研究所<br>100<br>Many Terahertz (THz) radiation devices have been created for the reason of upcoming THz applications, e.g., resonant-tunneling diodes (RTDs), photoconductive (PC) switch antennas, uni-traveling-carrier photodiodes (UTC-PDs), traveling-wave photodetector-(TWPD) based photonic transmitters, THz quantum cascade lasers, InP-based high electron mobility transistors and heterojunction bipolar transistors etc. As a THz radiation source, its directivity and efficiency should be of great concern for specific purposes. For instance, a handheld THz probe head needs a hi
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Huang, Cheng-yu, and 黃丞宇. "Sub-THz Photonic-Transmitters by 850nm Wavelengths Optical Pulse Pumping." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/pe9n29.

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碩士<br>國立中央大學<br>電機工程研究所<br>96<br>In this paper, we demonstrated two novel photonic transmitters; one is composed of low-temperature-grown GaAs (LTG-GaAs) based separated-transport-recombination photodiode (STR-PD) and the other is GaAs/AlGaAs based Uni-traveling-carrier photodiode (UTC-PD). Both devices are integrated with broadband micromachined monopole antennas but without the integration with Si-lens. Under femto-second optical pulse illumination which the wavelength of around 800nm, the photonic-transmitter can radiate strong sub-THz pulses (20mW peak-power) with a wide bandwidth (100~250
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Chiu, Chih-Heng, and 邱治恒. "High power and high efficiency Sub-THz Photonic-Transmitters at 850nm wavelength." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/41673244531960954322.

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碩士<br>國立中央大學<br>電機工程研究所<br>95<br>We demonstrate a novel photonic transmitter, which is composed of a low-temperature-grown GaAs (LTG-GaAs) based separated-transportrecombination photodiode (STR-PD) and a micromachined slot antenna. Under femto-second optical pulse illumination and Continuous-Wave(CW) illumination, this device radiates strong electrical pulses (4.5mW peak power) without the use of a Si-lens. It can be observed in the Fourier Transform Infrared Spectrometer (FTIR) spectrum of radiated pulses that a significant resonance, with a peak power of approximately 300W peak power, occurs
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Wen, Chih-Min, and 温智閔. "Ultra-Fast Uni-Traveling Carrier Photodiodes and Their Applications of Waveguide-Coupled Photonic THz Transmitters with Extremely Wide Fractional Bandwidths." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ysgzj3.

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博士<br>國立中央大學<br>電機工程學系<br>106<br>In this thesis, we demonstrated several kinds of uni-traveling-carrier photodiodes (UTC-PDs) for THz operation. One among such is near-ballistic uni-traveling-carrier photodiode (NBUTC-PD) with P-type charge layer in order to sustain electrons overshot drift-velocity for high-speed bandwidth. The optimum bias for THz operation of this device is usually located at −2 V. However, it has high probability of suffering from higher thermal failure under high output power due to high bias voltage. For the sake of solving this issue, we report another kind of novel col
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Conference papers on the topic "CW THz photonic transmitters"

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Schulz, Niklas, Nils Surkamp, Lisa C. Kreuzer, Carsten Brenner, and Martin R. Hofmann. "Photonic Sources for Compact CW-THz Systems." In 2025 International Conference on Mobile and Miniaturized Terahertz Systems (ICMMTS). IEEE, 2025. https://doi.org/10.1109/icmmts62835.2025.10926034.

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Morohashi, Isao, and Norihiko Sekine. "Generation and Detection of FM-CW Signals in All-Photonic THz Radar Systems." In 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2024. http://dx.doi.org/10.1109/irmmw-thz60956.2024.10697786.

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Inoue, H., W. B. Sessa, A. F. Elrefaie, R. E. Wagner, and S. Tsuji. "Four-Wave Mixing Levels in a Semiconductor Optical Amplifier with FSK Modulation at 155 Mb/s." In Optical Amplifiers and Their Applications. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oaa.1990.tue3.

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Semiconductor optical amplifiers (SOAs) are expected to increase the network application capabilities of future lightwave systems. Traveling-wave (TW) SOAs are particularly suitable for multi-channel coherent systems, where several tens of lightwave signals with different frequencies may be amplified by the TW-SOA after multiplexing [1]. Recently, a photonic integrated circuit with 4 DBR lasers, a combiner and a TW-SOA has been reported as an excellent example of the use of TW-SOAs in frequency division multiplexing (FDM) transmitters [2]. It has been pointed out, however, that for close chann
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Nobrega, Rafael, Anderson Sanches, Murilo Loiola, Shyqyri Haxha, Antonio Jurado-Navas, and Thiago Raddo. "Emerging THz Applications Enabled by Double-RTD Transmitters." In Signal Processing in Photonic Communications. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/sppcom.2022.spth3h.4.

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This work proposes transmitters based on double-RTD operating in the Y-band for emerging THz applications. The new transmitter provides an output power ~1.1 mW, channel capacity ~0.11 Tb/s and ~46-meter link reach at 338 GHz.
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da Nobrega, Rafael V. T., Thiago R. Raddo, Ulysses R. Duarte, et al. "Performance Evaluation of High-Capacity RTD Transmitters for THz Microscale Applications." In Signal Processing in Photonic Communications. OSA, 2021. http://dx.doi.org/10.1364/sppcom.2021.sptu2f.4.

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Tajima, Takuro, Masahito Nakamura, Keiichiro Shiraga, Yuichi Ogawa, Katsuhiro Ajito, and Hiroshi Koizumi. "Double-beam CW THz system with photonic phase modulator for sub-THz glucose hydration sensing." In 2016 IEEE/MTT-S International Microwave Symposium (IMS). IEEE, 2016. http://dx.doi.org/10.1109/mwsym.2016.7540168.

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Nishi, Hidetaka, Jae-Young Kim, Hiroshi Fukuda, Ho-Jin Song, Tai Tsuchizawa, and Koji Yamada. "Si photonic integrated circuit for a compact and stable CW-THz spectrometer." In 2014 IEEE 11th International Conference on Group IV Photonics. IEEE, 2014. http://dx.doi.org/10.1109/group4.2014.6961935.

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Rymanov, V., S. Babiel, M. Wachholz, S. Dulme, and A. Stohr. "Ultra-broadband integrated photonic 200–300 GHz transmitters for wireless radio-over-fiber applications." In 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2013). IEEE, 2013. http://dx.doi.org/10.1109/irmmw-thz.2013.6665453.

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Criado, A. R., C. de Dios, E. Prior, P. Acedo, Markus Ortsiefer, and P. Meissner. "Photonic generation of CW sub-THz and THz waves using an efficient Gain-Switching based VCSEL optical frequency comb." In 2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2013). IEEE, 2013. http://dx.doi.org/10.1109/irmmw-thz.2013.6665842.

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Giles, C. R., T. H. Wood, Tingye Li, and C. A. Burrus. "Quantum-Well SEED Optical Pulse Generator." In Quantum Wells for Optics and Opto-Electronics. Optica Publishing Group, 1989. http://dx.doi.org/10.1364/qwoe.1989.tub5.

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Some photonic circuits require optical pulse generators to provide clock pulses for optical logic elements. For example, a recently reported all-optical regenerator [1] used an injection-locked self-electro-optic-effect-device (SEED) oscillator [2] to recover optical clock pulses. The SEED oscillator is a simple optical circuit, consisting of only a quantum-well SEED electrically biased through a resonant LC circuit. By illuminating the SEED with cw light, it can exhibit negative conductance, causing the electrical circuit to oscillate. The voltage oscillations modulate the SEED’S-optical abso
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