Eblana Photonics shipping new 1,550-nm laser

JULY 28, 2008 -- Eblana Photonics Ltd. (search for Eblana) says it has completed development of its EP1550-NLW-B Narrow Linewidth semiconductor laser product series and has begun commercial shipments.

The EP1550-NLW-B Series lasers have guaranteed emission line-widths specified at 400 kHz and below, with highly linear light current characteristics and high side mode suppression ratio (SMSR). Eblana says the lasers are already being used in high-bandwidth coherent communications applications where, for example, high spectral efficiency, phase encoded signals are used to overcome transmission bottlenecks. The devices are being used in various sensor, medical, and imaging applications.

The product is supplied in an industry-standard hermetically sealed 14-pin butterfly integrated with optical isolator, thermo-electric cooler (TEC), thermistor, and power monitor photodiode. Each device is shipped with individual test data of the measured linewidth.

Unique features cited by Eblana include:

• narrow emission linewidth, < 400 kHz, even at low emitted power and bias current
  
• mode-hop-free wavelength tuning by varying bias current and/or temperature
  
• excellent wavelength stability.
  

"Our EP1550-NLW-B Series lasers reflect our continuing commitment to defining the state of the art in laser diode manufacture by providing easy to use, cost effective products for the most challenging applications," said James O'Gorman, Eblana's founder. "A key impact of our technology on the product's performance is that the laser emits in a ultra-narrow line even at low emitted powers, unlike DFB lasers which have to be driven at extreme operating points to achieve even MHz line widths."

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