Yenista Optics O-band tunable laser operates from 1270 to 1340 nm

Yenista Optics Tunics T100 O-band tunable laser

The Tunics T100 O-band tunable laser uses an optical cavity design to operate from 1270 to 1340 nm with up to +6 dBm output power and a signal-to-spontaneous-emission ratio (SSER) of >80 dB/0.1 nm. Applications include characterizing narrow bandwidth filters, use as a light source for testing high-speed transmission systems, and short-reach telecom.
Yenista Optics
Lannion, France

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Yenista Sets the Standard with New O-Band Tunable Laser

Yenista Optics, a leading manufacturer of fiber optic test and measurement equipment, announces the release of a new tunable laser in the 1310nm wavelength region.  The T100 model uses a new optical cavity design to provide high optical power (+6dBm) with extremely low noise (>80dB/0.1nm SSER).

The combination of high power and low noise output has not been possible with conventional tunable laser designs.  Yenista is the first company to overcome this limitation with its patented self-filtered external cavity laser technology.  The technology is used in its Tunics T100 models.  The new O-band version operates from 1270nm to 1340nm with up to +6dBm output power and a signal to spontaneous emission ratio (SSER) of over 80dB/0.1nm.  The laser is particularly suitable for characterizing narrow bandwidth filters and as a light source for testing high speed transmission systems.

“The original or O-band, operating around 1310nm, has been widely used for short reach telecom applications.  It corresponds to the low dispersion region of standard single mode fiber but is limited to non-amplified links by the lack of optical amplifiers.  With the demand for higher capacity in access and data networks there is now a resurgence of interest in this wavelength band.” said Nicephore Nicolas, Yenista’s Sales and Marketing Manager.  “Engineers developing and testing components for the latest 40 and 100 Gigabit Ethernet and FTTH/PON networks really benefit from the performance of Yenista’s Tunics T100 lasers.”

Yenista will be demonstrating the Tunics T100 lasers at the upcoming OFC/NFOEC exhibition at the Los Angeles Convention Center, March 8-10, booth 1113.

About Yenista Optics
Yenista Optics, founded in 2003, designs and manufactures fiber optic test and measurement equipment for a broad range of applications.  The company has its own product range which includes fixed and tunable wavelength lasers, tunable filters, variable attenuators and optical switches.  It also supplies optical modules and instruments on an OEM basis.  The business expanded significantly in 2009 with the acquisition of Anritsu’s laboratory optical products including the Tunics, Osics and Xtract product ranges.  Yenista Optics’ products are widely used in the telecommunications industry particularly for DWDM applications.

Further Information
For further information about Yenista Optics or its products please contact Yenista Optics at the address below or by email to  Information is also available on the Internet at


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