Sterlite Optical gets fiber patent in US

Optical fibers provider Sterlite Optical Technologies Ltd on Thursday said it has been granted a patent by the United States Patent and Trademark Office for invention of its single mode optical fiber.
“Six patents were granted to Sterlite last year for product and process inventions. These patent grants have helped us establish our technology leadership in addition to the market leadership we already enjoy,” Sterlite Telecom Business COO Pankaj Khanna said in a communique to the Bombay Stock Exchange.
The product patent for the Sterlite DOF-LITE (LEA) dispersion optimised fiber was granted in April and would be valid up to 2024, the company added.
Sterlite further said the patented product is capable of reducing the fiber non-linear effect like four-wave mixing for better Dense Wavelength Division Multiplexing (DWDM) performance in the wavelength region of 1530 nm to 1565 nm (Cband) and 1565 nm to 1625 nm (L-band).
Dispersion-optimised fiber with higher spot area is specially designed for long haul, high data rate and multi wavelength transmission.
The company said apart from India, which is a huge market, the growth is also seen coming from China — where Sterlite enjoys a 12 per cent market share — the US, Europe and also CIS countries like Russia.
“This is the fourth global patent to be granted to the company in the recent past and at least six more are expected this year,” Khanna said.