# New hollow-core fiber test pushes internet speeds to 1.2Tb/s

> **Newsylist Open Intelligence Dossier** · First detected: 2026-06-29 04:21 UTC · Category: Business · Sources: 6 · Current Velocity: 3.67

## Executive Summary
China's hollow-core fiber test achieves record internet speeds

## Intelligence Brief
A recent test of hollow-core fiber technology in China has achieved a record internet speed of 1.2Tb/s.


Coverage from various outlets, including TrendForce and Interesting Engineering, highlights the significance of this breakthrough in long-haul optical networks. YOFC, the company behind the test, has reportedly achieved the world's first 1.2Tb/s per-wavelength transmission over hollow-core fiber.


The development of this technology is expected to have a major impact on the future of high-speed internet. According to coverage from Reuters and BBC News, further advancements and potential applications are being explored.

## Verified Facts & Key Claims
### What speed was achieved in the hollow-core fiber test?
1.2Tb/s

### Which company conducted the test?
YOFC

### What is the significance of this test?
It redefines long-haul optical networks

## Key People, Organizations & Locations
China, First, Hollow-Core Fiber Redefines Long-Haul Optical Networks, Revolutionary Technology, Speed Recorded, Hollow-Core Fiber, News YOFC Achieved, Per-Wavelength Transmission Over Hollow-Core Fiber

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| Tom's Hardware | China’s hollow-core fiber trial pushes 51.3 Tb/s over 128 miles without signal regeneration — milestone targets AI-era networking bottlenecks | 2026-06-27 17:28 | [Source Link](https://news.google.com/rss/articles/CBMiigJBVV95cUxPRjFTMUt5OTUxcXZhY3gyYVJBc3hUelBkZzROUGJMSVhCejVnMGJnRlZYT19lNUdBcmVHY19KRXRVTi1XdDJUSVI4VTVYcFFGZVRrNUgxdXBrS2dnVGQ5UW5ndmZma1pDM01fRlAwWmJvTmFEUnprUEo4YTlWWGdDSkJRajhPaHdTWmo1U3ZFZU03WlBDNXZaSXFmU3h5eE1LTlRablZjZTkxRjZSS1llR3IwVXozNWNVLWk4T2h2cjc3WkdyaVQyVU1ld3kxNjQ1N2czNUtad2g5cmpfTjhUbXRKemJuanRxZTNYTWE5QXV1MEpsQ2pHREpiQWhONFRadXJxTWRmOGZSZw?oc=5) |
| Gagadget.com | China's hollow-core fiber trial hits 51 Tbps over 200 km | 2026-06-27 17:28 | [Source Link](https://news.google.com/rss/articles/CBMiqwFBVV95cUxQUjlJUDF5alViTXIydFpHcGlIMFEtTlI4TTRkYUprR01GRHNCS0dVdXpvVG9McTlubmRlc2QtOXZCbHFXRmU3QWtUSHllSUpWUV9iUUZCM2RONC1UaXNxNUdIdURLNGZ2dDhJWmc5Q3M4ZjdTRmtkYU9tNjZYZXBUajlsLW1oYml3bklfT2tvcWltdjVLVzhrdm82TFFUd1hmTWhjYllkejkzSEnSAbABQVVfeXFMTl94d1pYMEhRX1FiUzhodEgyMHBCMkN2SV9Tb3ljQmtZVC1LOUFoMWRyb1N0bVRsZ3EzaXF5SEg3aUtsaVNhRmdSWkVVRHZSN21zWV9FNnRpeS1oRHJLZnE5cHBRRGdtSUNNUENLRGxlUU92MU5XUzNSdlI4dVZ5MUNJRGdHZHltTzFLRGpKUGJNZmhJS0wyUUhwVW5fdTZZcjVnb0s2Zkt) |
| Optics & Photonics News | Hollow-Core Fiber Redefines Long-Haul Optical Networks | 2026-06-27 17:28 | [Source Link](https://news.google.com/rss/articles/CBMizAFBVV95cUxORzhhbkYtbUtXSExBWUFTZTFYNGVVMU9DXzFkSnYtc0gwS3BxRFUtS1cwSUwzYTRmZ0hQaFcwSHlwWW1tTVlmTlBqOXdnNXZqb2Flc2VWWVVQNHV2eUt3ZXdpWEpha2xTYnpaOUJVU0FRTU9pdXRVcWs3WG5jTUtsaHVpN3NyS3NvdXJsRXRmUHdGMUM0ZGV2OFB1enVvdzBqemR1S2VOX3JhWkhtMXBfMTJGaTVQY2s5Ym96Z0xJZDJDUDZFTTJsTmUxbkc?oc=5) |
| Zamin.uz | Revolutionary Technology in China: 51 Tbit/s Speed Recorded in Hollow-Core Fiber | 2026-06-27 17:28 | [Source Link](https://news.google.com/rss/articles/CBMivwFBVV95cUxQZ1pLNmIwNklGNld3UkNrNzhHS0N2SlJfNVRQVHhadW1LcE1VVWJTWnhTTDBER1ZxSXM0cHk2alZHYVZjeXlpejdPZWhEczA2MUVRNUszY2cyTmJ3SmwyeXZubW5rNTdQOU5QcjB4Q1hBM2pBX3VwVkx1LWhCUWlRdTFtUkZnakRSYkxaZzJQdFFCOTRicUZfamV4eVZRc1RUdkU0V1JwSlpuUU1JUHhmTEtlSHA2Vy0yUldOWWI0dw?oc=5) |
| TrendForce | [News] YOFC Achieved World’s First 1.2Tb/s Per-Wavelength Transmission Over Hollow-Core Fiber | 2026-06-27 17:28 | [Source Link](https://news.google.com/rss/articles/CBMizgFBVV95cUxOR0tJaERtT0FDUkk4aktZSFV2bHgyeXBjZTBONnd6cG84V09ZanVXaFdkcFhxTWRxbzhsWktRamRnMkZHMEw3X3R1SmtHc3kxSVhUV3F4aVF4LW1EaFNaWTQtOVIwOENocHBCbGRTd3NncnpMMWJHYjhLN0ZfNUgzMVBpRU1WNEx4dWJVbGw5NjBSSGhhSXhnUFBpVDlzWE5LYkF5azkxT1VoOENZcUN1WFlaVzhBTUJFTmk5QWNSR1lRV251dE5iTk9NWERUZw?oc=5) |
| Interesting Engineering | New hollow-core fiber test pushes internet speeds to 1.2Tb/s | 2026-06-27 17:28 | [Source Link](https://news.google.com/rss/articles/CBMiwwFBVV95cUxQaTJ2MEM5M0dqM29Ha0V0NEYxc0wwSnRCS2s3cVlsOVBlaDM4QkhTbjJHV1dxZER5dE1vMUd0UDdTb19DNlc2LWFOWDVXRUJPdk5FSWQ4enltUWdmaFJ0OEk2Z0Z3dWZwbjZyZExmc1dHYkVLRTVyOHNoMlJHZGYwY0VjbWhuMkxma00zMk9tN2ZDdVlfSFg1T1pKd3ROR1J1aHhrVTZlXzJnc2pXb0xmbmNhRGxaVHF2T3pBeG5FQXRMUmM?oc=5) |

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*Canonical Source: https://www.newsylist.com/trend/2026-06-29/new-hollow-core-fiber-test-pushes-internet-speeds-to-1-2tb-s*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*