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10G TOSA Fiber Optic Modules in XMD MSA Tosa package
Oki offers 10G Electro-Absorption Modulated Lasers (EML) in an XMD MSA compliant "Transmitter Optical Sub Assembly" (TOSA) package. The package contains a 1550 nm EML chip, an optical isolator, a rear-facet monitor photodiode, and a thermal electric cooler (TEC). The XMD MSA TOSA's features low dispersion penalty and are available for either 40km or 80km applications. The devices are available with LC or SC receptacle for use in XFP, X-2 and other X-families 10G transceiver or transponder module applications.

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10G OSA Laser Diode Family OL5170M OL5171M
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DescriptionXMD EML TOSAXMD EML TOSA
Laser diode typeElectro-absorption modulated DFB laser (EML)Electro-absorption modulated DFB laser (EML)
Max Data rate (Gbps)10.710.7
Reach (km)4080
Operating Temperature range (deg C)0 to 750 to 75
Laser Diode Temperature Setpoint (DegC)4545
Average Optical Output Power (dBm min)00
Threshold Current (mA)35 max35 max
Operation Current (max)100100
Center Wavelength (nm)15501550
SMSR, dB (min)3535
Extinction Ratio (min)1010
Monitor Current (uA))50 to 100050 to 1000
Dispersion Penalty (dB)22
Tracking Error (dB)+/- 0.5+/- 0.5
TEC Power Dissapation (W)0.650.65
Receptacle or PigtailLC ReceptacleLC Receptacle

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