In 1905, in order to explain the photoelectric effect, Einstein proposed the quantum of light hypothesis. He said that light was originally composed of discrete "quanta of light", rather than continuous waves. This theory opened the door to quantum mechanics.

For more than 100 years, light has been accompanying the development of quantum science and technology, early quantum theory basically from light, the first quantum revolution born of the laser, is considered to be one of the essential tools for human survival and development in an intelligent society. By now, in the second quantum revolution, light is an indispensable tool for the realization of quantum information technology, especially lasers and optical fibers. For example, in the field of quantum computing, lasers are indispensable for almost all technological systems except superconductivity; and optical fibers are indispensable for building quantum networks at present and in the future.

In view of the importance of light in quantum information technology, Photonics Box has officially opened the "Optics Column". Today is the first issue, coinciding with the completion of the release of the third quarter report of listed companies, Photonics Box has compiled the financial reports of major laser and fiber optic companies in A-share, in a word: several happy and several sad.

The following are the top 15 companies in terms of revenue.

Henton Optronics 600487

The third quarter revenue of Hengtong Optoelectronics was 12.547 billion yuan, up 6.74% year-on-year; net profit attributable to shareholders of the listed company was 559 million yuan, down 13.21% year-on-year. Revenue for the first three quarters was 34.652 billion yuan, up 16.24% year-on-year; net profit attributable to shareholders of the listed company was 1.420 billion yuan, up 7.90% year-on-year.

Zhongtian Technology 600522

The third quarter revenue of Zhongtian Technology was 9.154 billion yuan, down 27.06% year-on-year; net profit attributable to shareholders of the listed company was 646 million yuan, up 159.24% year-on-year. Revenue for the first three quarters was 29.195 billion yuan, down 20.93% year-on-year; net profit attributable to shareholders of the listed company was 2.470 billion yuan, up 400.00% year-on-year.

Fiberhome 600498

Fiberhome's revenue in the third quarter was 7.524 billion yuan, up 15.20% year-on-year; net profit attributable to shareholders of the listed company was 126 million yuan, down 6.06% year-on-year. Revenue for the first three quarters was 21.528 billion yuan, up 16.12% year-on-year; net profit attributable to shareholders of the listed company was 302 million yuan, up 6.23% year-on-year.

GrandTech Laser 002008

Revenue of GrandTech Laser in the third quarter was RMB 3.623 billion, down 18.43% year-on-year; net profit attributable to shareholders of the listed company was RMB 382 million, down 37.58% year-on-year. Revenue for the first three quarters was 10.562 billion yuan, down 11.47% year-on-year; net profit attributable to shareholders of the listed company was 1.014 billion yuan, down 32.45% year-on-year.

Changfei Fiber Optics 601869

The third quarter revenue of Changfei Fiber Optics was RMB 3.851 billion, up 58.03% year-on-year; net profit attributable to shareholders of the listed company was RMB 350 million, up 311.81% year-on-year. Revenue for the first three quarters was 10.242 billion yuan, up 50.88% year-on-year; net profit attributable to shareholders of the listed company was 875 million yuan, up 55.17% year-on-year.

Huagong Technology 000988

Huagong Technology's revenue in the third quarter was 2.633 billion yuan, down 3.54% year-on-year; net profit attributable to shareholders of the listed company was 159 million yuan, down 64.88% year-on-year. Revenue for the first three quarters was 8.851 billion yuan, up 20.12% year-on-year; net profit attributable to shareholders of the listed company was 722 million yuan, down 9.91% year-on-year.

Optical Xun Technology 002281

The third quarter revenue of LightSpeed Technology was 1.749 billion yuan, up 9.84% year-on-year; net profit attributable to shareholders of the listed company was 181 million yuan, up 10.63% year-on-year. Revenue for the first three quarters was 5.281 billion yuan, up 11.65% year-on-year; net profit attributable to shareholders of the listed company was 492 million yuan, up 7.84% year-on-year.

Crystal Photoelectric 002273

Crystal photoelectric third quarter revenue of 1.317 billion yuan, up 16.09% year-on-year; net profit attributable to shareholders of the listed company of 235 million yuan, up 31.37% year-on-year. Revenue for the first three quarters was 3.202 billion yuan, up 12.14% year-on-year; net profit attributable to shareholders of the listed company was 480 million yuan, up 35.75% year-on-year.

Yongding Co. 600105

Yongding's revenue in the third quarter was RMB1.249 billion, up 46.03% year-on-year; net profit attributable to shareholders of the listed company was RMB51 million, up 276.70% year-on-year. Revenue for the first three quarters was 3.090 billion yuan, up 9.79% year-on-year; net profit attributable to shareholders of the listed company was 0.81 billion yuan, down 42.18% year-on-year.

Tefa Information 000070

The third quarter revenue of Tefa Information was 1.108 billion yuan, up 29.35% year-on-year; net profit attributable to shareholders of the listed company was -19 million yuan, up 45.86% year-on-year. Revenue for the first three quarters was 2.994 billion yuan, down 5.00% year-on-year; net profit attributable to shareholders of the listed company was 0.73 billion yuan, up 417.63% year-on-year.

Tongding Internet 002491

Revenue of Tongding Internet in the third quarter was RMB919 million, up 21.74% year-on-year; net profit attributable to shareholders of the listed company was RMB41 million, up 183.81% year-on-year. Revenue for the first three quarters was RMB 2.438 billion, up 10.96% year-on-year; net profit attributable to shareholders of the listed company was RMB 0.75 billion, up 576.02% year-on-year.

Rekor Laser 300747

The third quarter revenue of Rekor Laser was RMB774 million, down 13.78% year-on-year; net profit attributable to shareholders of the listed company was RMB11 million, down 92.13% year-on-year. Revenue for the first three quarters was 2.321 billion yuan, down 7.41% year-on-year; net profit attributable to shareholders of the listed company was 0.33 billion yuan, down 91.79% year-on-year.

Lianwin Laser 688518

Revenue of Lianwin Laser in the third quarter was 907 million yuan, up 131. 75% year-on-year; net profit attributable to shareholders of the listed company was 117 million yuan, up 267.09% year-on-year. Revenue for the first three quarters was 1.894 billion yuan, up 106.80% year-on-year; net profit attributable to shareholders of the listed company was 187 million yuan, up 232.33% year-on-year.

Guanghuang Technology 688007

The third quarter revenue of Guanghuang Technology was RMB606 million, up 9.09% year-on-year; net profit attributable to shareholders of the listed company was RMB45 million, down 24.27% year-on-year. Revenue for the first three quarters was 1.876 billion yuan, up 12.96% year-on-year; net profit attributable to shareholders of the listed company was 0.91 billion yuan, down 56.78% year-on-year.

Gaode Infrared 002414

GAODIR's revenue in the third quarter was 489 million yuan, down 18.09% year-on-year; net profit attributable to shareholders of the listed company was 150 million yuan, down 33.31% year-on-year. Revenue for the first three quarters was 1.721 billion yuan, down 29.62% year-on-year; net profit attributable to shareholders of the listed company was 527 million yuan, down 42.68% year-on-year.