Technologies of Laser Wireless Power Transmission

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optical Communication and Network".

Deadline for manuscript submissions: 20 November 2025 | Viewed by 612

Special Issue Editor


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Guest Editor
College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China
Interests: metal-organic chemical vapor depositio (MOCVD); solar cell; laser wireless power transmission (LWPT); laser power converters (LPCs); metamorphic buffer; tunnel junction; conversion efficiency; maximum power; output power; photonics; III-V semiconductor material; laserhttps://eie.scu.edu.cn/info/1046/12329.htm
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Special Issue Information

Dear Colleagues,

Laser wireless power transmission (LWPT) technology uses lasers as a carrier to realize the wireless transmission of electric power in free space. LWPT technology can quickly rebuild power supplies for disaster relief sites, local battlefield equipment, and also for unmanned aerial vehicles, space vehicles, and other equipment, and its huge application prospects are widely recognized by researchers.

The core part of LWPT technology is the laser at the transmitting end and the laser power converter (LPC) at the receiving end, whose performance directly determines the output characteristics of the transmission link; therefore, research concerning the laser and the LPC is very important.

This Special Issue aims to present an overview of cutting-edge research, visions, results, and their applications. We welcome broad, visionary contributions of short research reports, as well as a collection of reviews of accomplishments. We are excited to invite researchers to submit their contributions to this Special Issue. Topics include, but are not limited to, the following:

  • Metal–organic chemical vapor deposition (MOCVD);
  • Solar cell;
  • Metamorphic buffer;
  • III-V semiconductor material;
  • Tunnel junction;
  • Laser wireless power transmission (LWPT);
  • Laser power converters (LPCs);
  • Laser.

Dr. Yudan Gou
Guest Editor

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Keywords

  • metal–organic chemical vapor deposition (MOCVD)
  • solar cell
  • metamorphic buffer
  • III-V semiconductor material
  • tunnel junction
  • laser wireless power transmission (LWPT)
  • laser power converters (LPCs)
  • laser

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Published Papers (1 paper)

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Research

11 pages, 3180 KiB  
Communication
Cooling Fiber Laser Power Converter Systems by Immersion in Oil
by Denis Masson and Simon Fafard
Photonics 2025, 12(5), 431; https://doi.org/10.3390/photonics12050431 - 30 Apr 2025
Viewed by 190
Abstract
We demonstrate the use of Laser Power Converters (LPCs) driven by fiber laser light while immersed in transformer oil for heat management purposes. Reliability tests performed via extended continuous operation using 6–7 W of input power from 808 nm and 976 nm light [...] Read more.
We demonstrate the use of Laser Power Converters (LPCs) driven by fiber laser light while immersed in transformer oil for heat management purposes. Reliability tests performed via extended continuous operation using 6–7 W of input power from 808 nm and 976 nm light propagating through oil show no degradation of components nor transmission losses from the oil for up to 1000 h. The operation of a bare die designed for use with 1040–1080 nm light and in direct contact with oil is also shown to be feasible. We discuss how the use of transformer oil can be beneficial to transfer excess heat away from LPCs in special applications. Full article
(This article belongs to the Special Issue Technologies of Laser Wireless Power Transmission)
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