Finisar FWDM-1629-XX manual Optical Parameters

FWDM-1629-XX DWDM SFP Preliminary Product Specification – February 2005 F i n i s a r

V.Optical Parameters

Parameter	Symbol	Min	Typ	Max	Units	Notes/Conditions
TRANSMITTER CHARACTERISTICS
Center Wavelength Spacing			100		GHz	Corresponds to
						approximately 0.8 nm
Spectral Width	Δλ 20		0.2	0.3	nm	Full width, -20dB from
						max
Transmitter Center Wavelength –	λc	X - 100	X	X + 100	pm	X = specified center
End of Life						wavelength
Transmitter Center Wavelength –	λc	Y - 25	Y	Y + 25	pm	Y = X – 60pm
Start of Life
Side Mode Suppression Ratio	SMSR	30			dB	Modulated
(SMSR)
Optical Rise/Fall Time	tr / tf			200	ps	Unfiltered, 80% -20%
Transmitter Optical Output Power	Pout	0		+4	dBm	Average power coupled
						into single mode fiber
Transmitter Extinction Ratio	OMI	9.0			dB
Transmitter Eye Opening		40			%	IEEE 802.3 and Fibre
						Channel Eye Mask
						Margin
Relative Intensity Noise	RIN			-120	dB/Hz
Dispersion Penalty at 180km				3.0	dB	3600ps/nm. See Note 3.
RECEIVER CHARACTERISTICS
Optical Input Wavelength	Pin	1520		1570	nm
Receiver Jitter Generation				100	ps	Peak to peak, -25 dBm
						Rx power
Optical Input Power	Pin	-32		-9	dBm	1.25 Gb/s w/
(BER < 10 -9)						PRBS 2 7 -1
Optical Input Power	Pin	-30		-9	dBm	1.25 Gb/s w/
(BER < 10 -12)						PRBS 2 7 -1
Optical Input Power –				6	dBm
Receiver Damage Threshold
Receiver Reflectance	RRX			-27	dB
OSNR Limit	OSNRmin	20			dB
OSNR Penalty				2.0	dB	For OSNR = OSNRmin.
						See Note 4.

Notes:

1.Parameters are specified over temperature and voltage, at end of life unless otherwise noted.

2.All parameters are measured on a Finisar SFP Evaluation Card unless otherwise noted.

3.Dispersion penalty is measured in loop back with OSNR set at Rx < 28 dB. Data rate and pattern used same as specified for Optical Input Power. Dispersion penalty is measured at BER = 10-10

4.OSNR penalty is measured in loop back. Data rate and pattern used is same as specified for Optical Input Power. OSNR penalty is measured at BER = 10-10

© Finisar Corporation	PRELIMINARY and Confidential	Page 6
Rev C, February 2005