Chinese scientists have successfully turned lossage into a “steering wheel” of light waves
2026-09-07 08:00Chips & Hardware🔥 47.2 heat score
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On September 7, 2026, researchers from Shanghai Jiao Tong University and others proposed a new method called “Loss Engineering,” which successfully converts the energy loss during light propagation in nanomaterials into a mechanism for controlling the direction of light waves. The study was published online in the journal Nature Materials. The team designed a double-layer structure: the top layer consists of molybdenum oxide material for light propagation, while the bottom layer is composed of neatly arranged carbon nanotube films that provide non-uniform resistance. By applying voltage to change the magnitude and direction of the resistance in the bottom layer, the originally symmetrical propagation of light waves can be directed to one side, achieving continuously adjustable steering effects that can be restored at any time. This method does not rely on the mixing of two types of light waves; it directly uses loss filtering to control the light path. It is expected to be applied in fields such as high-speed optical communication, optical switches, and optical routers.
Carbon nanotubesDaiqingMolybdenum oxideShanghai Jiao Tong University
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2026-09-07
Chinese scientists have successfully transformed loss into a “steering wheel” for light waves.
Researchers from Shanghai Jiao Tong University and others have developed a “loss engineering” method that converts the energy loss during light propagation at the nanoscale into a “steering wheel” to control the direction of light waves. This allows for changing the propagation direction of light waves, even making them asymmetric, by applying voltage. This achievement was published online in the journal Nature Materials. The research team designed a two-layer structure: top…
Researchers from Shanghai Jiao Tong University and others proposed the “loss engineering” method, which converts the energy loss of light in nanomaterials into a “steering wheel” for controlling the direction of light waves. This allows for continuous adjustment of the propagation direction of light waves under voltage control. The research was published in the journal Nature Materials. The team designed a two-layer structure: the top layer consists of molybdenum oxide material for light propagation, while the bottom layer is composed of neatly arranged carbon nanotube films that provide non-uniform resistance. By applying voltage to change the magnitude and direction of the resistance in the bottom layer, the originally symmetric propagation of light waves is transformed into asymmetric propagation toward one side. This method does not rely on mixing two types of light waves; it directly uses loss to filter the light path, and it is expected to be used in high-speed optical communication, optical switches, and optical routers.
Researchers from Shanghai Jiao Tong University and others have proposed a “loss engineering” method that converts the energy loss of light during propagation at the nanoscale into a “steering wheel” for controlling the direction of light waves. By applying voltage, it is possible to change the propagation direction of light waves in tiny optical paths or even make them propagate asymmetrically. This achievement was published online in the journal Nature Materials. The research team designed a two-layer structure: the top layer consists of molybdenum oxide material for light propagation, while the bottom layer consists of neatly arranged carbon nanotube films that act as uneven “roads”. By adjusting the resistance of the bottom layer with voltage, the originally symmetric light waves can be directed to one side, and the deflection can be continuously adjusted and restored at any time. This method does not rely on mixing two types of light waves; it directly uses loss to filter the direction of optical paths. It is expected to be applied in high-speed optical communication, optical switches, and optical routers in the future.