etherl ands 4-channel Temperature Tunable Laser with Locker CQF47
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CQF4 Seria 74/708-19 30748
etherl ands
4-channel Temperature Tunable Laser with Locker CQF474/708 Series
Features 1550 DWDM distributed feedback laser diode High output power Temperature tunable over channels Integrated wavelength reference module Excellent relative intensity noise (-160 dB/Hz maximum) Industry standard packaging pinout Narrow linewidth maximum) Polarization maintaining fiber Built-in thermoelectric cooler Applications hybrid fiber-coax (HFC) networks, cable television (CATV) networks, DWDM metro architectures where narrow linewidths required Wavelength division multiplexing (WDM) transmission Sparing restoration Optical add/drop multiplexing Inventory reduction
Uniphase CQF474/708 series laser specifically developed dense wavelength division multiplexing (DWDM) systems, where used four-channel, tunable source combination with external modulator, such LiNbO3-based Mach-Zehnder. integrated wavelength reference module stabilizes laser's wavelength. wavelength locker consists back facet monitor diodes. diode unfiltered conventional power monitor; other filtered provide wavelength dependent output. Selected wavelengths comply with recommendations, both range (for band, 1527 1567 channel definition, thus adhering grid. Each laser's wavelength accurately measured, laser itself accompanied datasheet with laser performance temperature where required wavelength channel reached. CQF474/708 shows high side mode suppression ratios, relative intensity noise, small linewidths. available standard 14-pin butterfly package equipped with polarization maintaining fiber facilitate coupling modulator, shows superb thermal stability.
CQF474/708 Series
Specifications
Limiting Values Parameter Laser Diode Radiant output power from pigtail Reverse voltage Forward current Wavelength Reference Module Reverse voltage Forward current Module Storage temperature range Case operating temperature range Fiber Pigtail Bending radius Tensile strength fiber case
Symbol Ppeak Tstg
Conditions Cooler active
1567 -160
Unit Unit mW/mA dB/Hz
Characteristics (Rth Tcase nominal unless otherwise specified) Parameter Symbol Conditions
Laser Diode Radiant output power from pigtail Differential efficiency Operating current Threshold current Forward voltage Laser diode temperature Central wavelength 1527 Spectral linewidth FWHM Side mode suppression ratio SMSR Optical isolation Relative intensity noise 1000 Temperature tracking error Tcase Wavelength Reference Module Power monitoring photocurrent Ipwr Wavelength monitoring photocurrent Iwav Dark current Responsivity ratio Iwav Ipwr) 0.25 Filter slope (normalized photocurrent (note1) 0.25 operating conditions) Thermistor Resistance Thermistor constant 3800 Thermoelectric Cooler Cooler current Icool Cooler voltage Vcool Polarization Maintaining Fiber Pigtail (Fujikura SM15-P-8/125-UV/UV400 with loose tube) Mode field diameter Cladding diameter Diameter secondary coating Diameter loose tube Length loose tube Polarization extinction ratio E-field along slow axis Length pigtail
Il+Dl Il-Dl with 0.05
10.5 4100 11.5
CQF474/708 Series
Typical Performance Characteristics
Four channel locker curve
Locker curve channels
Intensity (dB)
ratio
-1.0
-0.5
Relative wavelength (nm)
1525
1530
1535
Wavelength (nm)
1540
1545
CQF474/708 allows absolute wavelength monitoring using bandpass filter slope.
High Side Mode Suppression Ratio (SMSR) values channels.
Dimensions Diagram (Specifications [inches] unless otherwise noted; tolerance ±0.15 [±0.006])
Fiber Termination: 1.25 ferrule.
Pinout Thermistor Thermistor cathode input Power anode Common cathode power WL-PD Cooler anode Cooler cathode Case Case anode anode cathode, input anode connected
CQF474/708 Series
Ordering Information more information this other products their availability, please contact your local Uniphase account manager Uniphase directly 800-871-8537 North America 800-8735-5378 worldwide e-mail jdsu.sales@jdsu.com. Sample: CQF474/708-19270 optical frequencies 192.70 THz, 192.65 THz, 192.60 THz, 192.55 THz. Attention: Order confirmations this part number will preceeded (e.g., FG'CQF474/708-19270).
CQF474/708Channel Code 19630 19625 19620 19615 19610 19605 19600 19595 19590 19585 19580 19575 19570 19565 19560 19555 19550 19545 19540 19535 19530 19525 19520 19515 19510 19505 19500 19495 19490 19485 19480 19475 19470 19465 Highest Optical Frequency (THz) 196.30 196.25 196.20 196.15 196.10 196.05 196.00 195.95 195.90 195.85 195.80 195.75 195.70 195.65 195.60 195.55 195.50 195.45 195.40 195.35 195.30 195.25 195.20 195.15 195.10 195.05 195.00 194.95 194.90 194.85 194.80 194.75 194.70 194.65 Shortest Wavelength (Vacuum) (nm) 1527.22 1527.60 1527.99 1528.38 1528.77 1529.16 1529.55 1529.94 1530.33 1530.73 1531.12 1531.51 1531.90 1532.29 1532.68 1533.07 1533.47 1533.86 1534.25 1534.64 1535.04 1535.43 1535.82 1536.22 1536.61 1537.00 1537.40 1537.79 1538.19 1538.58 1538.98 1539.37 1539.77 1540.16 Channel Code 19460 19455 19450 19445 19440 19435 19430 19425 19420 19415 19410 19405 19400 19395 19390 19385 19380 19375 19370 19365 19360 19355 19350 19345 19340 19335 19330 19325 19320 19315 19310 19305 19300 Highest Optical Frequency (THz) 194.60 194.55 194.50 194.45 194.40 194.35 194.30 194.25 194.20 194.15 194.10 194.05 194.00 193.95 193.90 193.85 193.80 193.75 193.70 193.65 193.60 193.55 193.50 193.45 193.40 193.35 193.30 193.25 193.20 193.15 193.10 193.05 193.00 Shortest Wavelength (Vacuum) (nm) 1540.56 1540.95 1541.35 1541.75 1542.14 1542.54 1542.94 1543.33 1543.73 1544.13 1544.53 1544.92 1545.32 1545.72 1546.12 1546.52 1546.92 1547.32 1547.72 1548.12 1548.51 1548.92 1549.32 1549.72 1550.12 1550.52 1550.92 1551.32 1551.72 1552.12 1552.52 1552.93 1553.33 Channel Code 19295 19290 19285 19280 19275 19270 19265 19260 19255 19250 19245 19240 19235 19230 19225 19220 19215 19210 19205 19200 19195 19190 19185 19180 19175 19170 19165 19160 19155 19150 19145 19140 19135 Highest Optical Frequency (THz) 192.95 192.90 192.85 192.80 192.75 192.70 192.65 192.60 192.55 192.50 192.45 192.40 192.35 192.30 192.25 192.20 192.15 192.10 192.05 192.00 191.95 191.90 191.85 191.80 191.75 191.70 191.65 191.60 191.55 191.50 191.45 191.40 191.35 Shortest Wavelength (Vacuum) (nm) 1553.73 1554.13 1554.54 1554.94 1555.34 1555.75 1556.15 1556.56 1556.96 1557.36 1557.77 1558.17 1558.58 1558.98 1559.39 1559.79 1560.20 1560.61 1561.01 1561.42 1561.83 1562.23 1562.64 1563.05 1563.46 1563.86 1564.27 1564.68 1565.09 1565.50 1565.90 1566.31 1566.72
PANDA trademark Fujikura Ltd.
North America toll-free: 800-871-8537 Worldwide toll-free: 800-8735-5378 www.jdsu.com
statements, technical information recommendations related products herein based upon information believed reliable accurate. However, accuracy completeness thereof guaranteed, responsibility assumed inaccuracies. user assumes risks liability whatsoever connection with product application. Uniphase reserves right change time without notice design, specifications, function, form products described herein, including withdrawal time product offered sale herein. Uniphase makes representations that products herein free from intellectual property claims others. Please contact Uniphase more information. Uniphase Uniphase logo trademarks Uniphase Corporation. Other trademarks property their respective holders. Copyright Uniphase Corporation. rights reserved. RWR-030-42-01096-WWM Rev.02 03/02
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