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Measuring Coherent Optical Modulation
Live on: July 27, 2010
10:00 AM PDT | 12:00 PM CDT | 1:00 PM EDT | 6:00 PM BST
In order to increase the capacity of existing fiber optic transmission systems, complex modulation schemes are being developed which maximize the use of the available bandwidth. These modulation schemes use the optical phase in addition to its amplitude to code information allowing for transmission speeds in the hundreds of Gb/s over a single optical wavelength. The most widely used form of coherent optical modulation is known as DP-QPSK (dual polarized quadrature phase shift keying) and has been demonstrated at speeds up to 224 Gb/s. Measuring this type of signal differs significantly from the more traditional methods used for OOK (on off keying) signals. Performance metrics such as extinction ratio and eye mask testing are replaced with constellation diagrams and bit error ratio. In addition, coherent optical signals utilize intradyne modulation which requires an optical local oscillator and digital signal processing to detect and measure. This one hour webinar will discuss optical intradyne transmission and coherent detection along with the key measurements for these systems compared to more traditional OOK systems. Equipment requirements will be discussed and a measurement example will be presented.

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Watch a video featuring Optametra founders at OFC/NFOEC 2010 in San Diego, demonstrating their coherent lightwave signal analyzers.
April 15, 2010

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Optametra Demonstrates New Analysis Capabilities Including 64 QAM for Beyond 100G Transmission
March 25, 2010
VERONA, Wis.--(BUSINESS WIRE)--Optametra, a leading supplier of coherent lightwave signal analyzers, has added new analysis capabilities to its line of software solutions. These include the ability to characterize signal distortions, fiber propagation impairments, and laser phase noise. Optametra has added laser-linewidth tolerant 16, 32, and 64 QAM demodulation formats, along with the ability to execute QAM easily in customer-defined subsets, and offset QPSK formats.
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Optametra to Exhibit at OFC/NFOEC
March 23-25, 2010
San Diego, California, USA
OFC/NFOEC is indisputably the world’s leading global conference for optical communications and networking professionals. Attend OFC/NFOEC and be part of the event that brings together the people, products, and information that drive optical communications and networking.

Optametra Joins Georgia Tech 100G Consortium
March 20, 2010
Verona, Wisconsin – (BUSINESS WIRE) Optametra, a leading supplier of coherent lightwave signal analyzers, has joined the eleven member companies of the Georgia Tech 100G Consortium as a Supporting Member, providing its industry-leading OM4106B Coherent Lightwave Signal Analyzer system. To date, more than $2.9 million in support has been designated for this facility by the consortium’s founding research members–ADVA Optical Networking, Ciena, OFS, and Verizon–and by other supporting members Centallax, Oclaro, Hitachi, IBM, Nistica, RSoft, and Picometrix.
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Optametra and LeCroy to Showcase Test Solution Capable of 224 Gb/s PM-QPSK at OFC/NFOEC Exposition
March 19, 2010
CHESTNUT RIDGE, NY – LeCroy Corporation, designer of the world’s fastest (30 GHz) real-time oscilloscope, and Optametra, a leading supplier of coherent lightwave signal analyzers, will showcase their combined test solution at the OFC/NFOEC Exposition, Booth 1406, San Diego from March 23 to 25. LeCroy’s WaveMaster 830Zi, a 30 GHz real-time oscilloscope, has already been used to measure 224 Gb/s capability using 56 Gb/s per tributary polarization multiplexed quadrature phase shift keying (PM-QPSK) signals. This is a significant step towards accelerating the availability of 200G transmission technology and beyond for ultra long haul Dense Waveform Division Multiplexing (DWDM) networks.
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Tektronix and Optametra Solve 100G Optical Measurement Challenges
March 16, 2010
BEAVERTON, Ore. – Tektronix, Inc., the world's leading manufacturer of oscilloscopes, today announced that the accurate, fast acquisition system of the Tektronix DPO72004B oscilloscope combined with OM4105 and OM4106 Coherent Lightwave Signal Analyzers from Optametra deliver unprecedented ability to visualize and measure coherent polarization multiplexed quadrature phase shift keying (PM-QPSK) signals in realtime.
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Optametra, LLC Coherent Lightwave Signal Analyzers™ Now Available for 100G Physical Layer Test
September 19th, 2009
VERONA, Wisconsin—(BUSINESS WIRE)—Optametra announces the availability of its OM4105 and OM4106 Coherent Lightwave Signal Analyzers with bit rates to 112 Gb/s (100G DP-QPSK). The higher data rate is also available as an upgrade to those who have already purchased the OM4105 and OM4106 40G analyzers, announced earlier this year at OFC/NFOEC 2009.
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Optametra, LLC Introduces Coherent Lightwave Signal Analyzers™ for 40/100G Physical Layer Test at OFC/NFOEC 2009
March 19th, 2009
VERONA, Wisconsin—(BUSINESS WIRE)—Optametra announces the first available solutions for testing real coherent transmission systems in real time. Optametra’s OM4105 and OM4106 Coherent Lightwave Signal Analyzers™ enable visualization and measurement of dual-polarized complex-modulated signals in fiber.
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Optametra wins IT Segment of WI Governors Business Plan Contest
June 9, 2008
Madison, Wis. — Fifty-four judges took part in a process that progressively narrowed a field of 250 entries to 51 semi-finalists, 23 finalists and four category winners in Advanced Manufacturing, Business Services, Information Technology and Life Sciences..
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