Dr Luis Vallejo Castro
Post-doctoral Research Officer of the DSP Centre of Excellence
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Publications
2025
- Accepted/In press
Giddings, R., He, J., Tang, J., Vallejo Castro, L., Jin, W., Faruk, M. S. & Yi, X., 24 Jul 2025, (Accepted/In press) In: Journal of Lightwave Technology. p. 1-11 11 p.
Research output: Contribution to journal 鈥� Article 鈥� peer-review - Published
Vallejo Castro, L., Gonem, O., Jin, W., Faruk, M. S., Giddings, R., Yi, X. & Tang, J., 7 Jan 2025, In: Optics Express. 33, 1, p. 604-618
Research output: Contribution to journal 鈥� Article 鈥� peer-review - Published
Vallejo Castro, L., Gonem, O., Jin, W., Giddings, R., Chen, L., Huang, Y., Yi, X., Faruk, M. S. & Tang, J., 15 Mar 2025, In: Journal of Lightwave Technology. 43, 6, p. 2624-2635 12 p.
Research output: Contribution to journal 鈥� Article 鈥� peer-review
2024
- Accepted/In press
He, J., Vallejo Castro, L., Jin, W., Giddings, R. & Tang, J., 20 Dec 2024, (Accepted/In press) Optical Fiber Communication Conference (OFC) 2025. W3J.6. (Sensing and Protection in Access Networks (W3J)).
Research output: Chapter in Book/Report/Conference proceeding 鈥� Conference contribution 鈥� peer-review - Published
Gonem, O., Vallejo Castro, L., He, J., Giddings, R., Jin, W., Yi, X., Faruk, M. S. & Tang, J., 15 Nov 2024.
Research output: Contribution to conference 鈥� Paper 鈥� peer-review - Published
Vallejo Castro, L., Jin, W. & Tang, J., May 2024.
Research output: Contribution to conference 鈥� Paper 鈥� peer-review - Published
Vallejo Castro, L., Gonem, O., Jin, W., Giddings, R. & Tang, J., 4 Jul 2024.
Research output: Contribution to conference 鈥� Paper 鈥� peer-review
Activities
2025
Working with Dr. Luis Vallejo to undertake experimental investigations in photonic millimeter wave signal generation and transmission utilizing free running lasers for 6G networks.
1 May 2025 鈥� 15 Jun 2025
Activity: Types of Business and Community - Hosting of external, non-academic visitor (Host)
2024
TITAN Research Community Event at the University of Cambridge - in total, 90 researchers from 24 partner institutions were in attendance.
13 Sep 2024
Activity: Participation in Academic workshop, seminar, course (Speaker)Dr. Luis Vallejo (Post-doctoral Research Officer) was invited to undertake a short-term scientific mission (STSM), supported by the CA19111 - European Network on Future Generation Optical Wireless Communication Technologies (NEWFOCUS) project, at the Photonic Research Labs, Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), Universitat Politecnica de Valencia (UPV), Spain, from 17th May to 16th June 2024.
During his visit, under the guidance of Prof. Beatriz Ortega, he conducted experimental demonstrations focused on achieving a full-duplex communications in convergence fiber-wireless network for Beyond 5G (B5G), utilizing free-running lasers for high-frequency signal generation.
Additionally, he investigated the integration of Optical Wireless Communications (OWC) technologies, particularly Free-Space Optics (FSO), to enhance network performance and reliability.
This collaboration led to an agreement to jointly publish the findings. Moreover, the collaboration has provided valuable experience in integrated microwave photonics and established robust personal connections. Following this, UPV and 精东影业 have opened a new channel for research collaboration, which we are committed to maintaining and strengthening for future joint efforts.
17 May 2024 鈥� 16 Jun 2024
Activity: Types of External academic engagement - Research and Teaching at External Organisation (Participant)
2023
Third NEWFOCUS Training School, covering WGs 2, 3, and 4, from Short to Long-range OWC systems. The Third Training School was held at the DSP Centre of Excellence at 精东影业, on 17-18 July 2023
On Monday 17th and Tuesday 18th July 2023, the DSP Centre hosted a bespoke Training School for PhD students, to explore the latest advancements in short-to-long range optical wireless communication (OWC) systems.
Twenty-three students from universities across the UK and Europe, who are currently studying towards PhD degrees in subjects across the field of optical communications, were selected to attend the two-day Training School, to learn about our research in OWC systems and innovative digital signal processing (DSP) technologies.
Several world-leading experts from universities across the globe (including the University of Oxford, University of Edinburgh, Northumbria University, Valencia Polytechnic University - Spain, & University of Aveiro - Portugal) joined us in-person, to present their research in a series of lectures and tutorials for the students. DSP Centre Senior Lecturers, Dr Roger Giddings and Dr Sujan Rajbhandari, then led specialist workshops presenting our digital communication technologies and providing guidance on publishing scientific research papers. The trainees also had the opportunity see live technical demonstrations on our state-of-the-art equipment and get involved in some practical activities led by our research team.
The Training School was organised as part of 鈥楴EWFOCUS鈥�; an EU-funded project led by a network of university academics, research institutions, businesses and government bodies across UK and Europe, aiming to develop sophisticated communication systems that meet the demands of future networks. These days, current networks, such as 3G and 4G, are struggling to cope with various pressures, including risks to online security and privacy, demands for faster online connection, and the need to reduce environmental impacts. In 2023, we successfully submitted an application to COST (European Cooperation in Science and Technology); the funding organisation responsible for the NEWFOCUS project, to deliver the Training School, to share the research we鈥檙e leading and the technologies we鈥檙e developing to meet these demands and make future networks more accessible, more convenient and more secure.
Dr Sujan Rajbhandari, Senior Lecturer and organiser of the event, said
'the Training School provided the platform for the DSP Centre, students and experts from across the world to come together to share knowledge, establish academic partnerships, and to showcase the world-leading research that takes place here at 精东影业. It was a highly rewarding experience for DSP Centre colleagues to meet fellow students and experts from across the world and has opened the doors for further research collaborations in the future. '
17 Jul 2023 鈥� 18 Jul 2023
Activity: Types of External academic engagement - Contribution to the work of national or international committees and working groups (Presenter)