IFLD = IOP, Under modulation 2 (NX8567SAM/SA Series) (NX8567SAS Series)

Transcription

1 NEC'S EA MODULATOR AND WAVELENGTH MONITOR INTEGRATED InGaAsP MQW DFB LASER DIODE MODULE FOR 2.5 Gb/s ULTRALONG-REACH 24, 36, 6 km DWDM APPLICATIONS FEATURES INTEGRATED ELECTROABSORPTION MODULATOR WAVELENGTH MONITOR FUNCTION (Etalon Þ lter, Wavelength monitor PD) VERY LOW DISPERSION PENALTY NX8567SAS Series - over 24 km (432 ps/nm) NX8567SAM Series - over 36 km (648 ps/nm) NX8567SA Series - over 6 km (18 ps/nm) LOW MODULATION VOLTAGE AVAILABLE FOR DWDM WAVELENGHT BASED ON ITU-T RECOMMENDATION (5 GHz grid, refer to ordering information) DESCRIPTION NX8567SA Series NEC's NX8567SA Series is an Electro-Absorption (EA) modulator and wavelength monitor integrated, 1 55 nm Multiple Quantum Well (MQW) structured Distributed Feed-Back (DFB) laser diode module. The module is capable of 2.5 Gb/s applications of over 24 km, 36 km, 6 km ultralong-reach and available for Dense Wavelength Division Multiplexing (DWDM) wavelengths based on ITU-T recommendations, enabling a wide range of applications ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, T C = -5 to +7 C, unless otherwise speciþ ed) TSET Laser Set Temperature 1 C 2 35 IOP Operating Current ma Vcenter Modulation Center Voltage 2 V Vmod Modulation Voltage 2 V 2 3 VFLD For ward Voltage of LD, IFLD = IOP V 2. ITH Thresh old Current ma 7 2 Optical Output Power from Fiber, IFLD = IOP, Under modulation 2 (NX8567SAM/SA Series) IFLD = IOP, Under modulation 2 (NX8567SAS Series) dbm λp Peak Emission Wavelength, IFLD = IOP, VEA = V nm 1528 ITU-T SMSR Side Mode Suppression Ratio, IFLD = IOP, VEA = V db 3 4 ER Extinction Ratio, IFLD = IOP, Under modulation 2 db 1 11 tf Rise Time, IFLD = IOP, 2-8%, Under modulation 2 ps 125 tr Rise Time, IFLD = IOP, 8-2%, Under modulation 2 ps 125 Notes: 1. Tset is a certain point between 2 and 35C for ITU-T grid wavelength Gb/s, PRBS 223-1, V EA = V ± center 1/2 Vmod, I FLD = I op, TLD = Tset, NEC Test System V center : a certain point between -2. and -.5 V V mod : a certain point 3 V or below I op : a certain point between 5 and 8 ma 3. Available for DWDM wavelenght based on ITU-T recommendation (1 GHz grid). Please refer to ORDERING INFORMATION. 4. BER = 1-1, NX8567SAS: 24 km (432 ps/nm) BER = 1-1, NX8567SAM: 36 km (648 ps/nm) BER = 1-1, NX8567SA: 6 km (18 ps/nm) California Eastern Laboratories

2 ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = -5 to +7 C, Unless otherwise speciþ ed) DP Dispension Penalty, IFLD = Iop, SMF Under modulation 2,4 db 2 IS Isolation db 23 S11 Input Return Loss IFLD = Iop, VEA = -1 V, 5 Ω 13 MHz to 2 GHz IFLD = Iop, VEA = -1 V, 5 Ω 2 GHz to 2.5 GHz db -8-5 Notes: 1. Tset is a certain point between 2 and 35C for ITU-T grid wavelength Gb/s, PRBS 223-1, V EA = V ± center 1/2 Vmod, I FLD = I op, TLD = Tset, NEC Test System V center : a certain point between -2. and -.5 V V mod : a certain point 3 V or below I op : a certain point between 5 and 8 ma 3. Available for DWDM wavelenght based on ITU-T recommendation (1 GHz grid). Please refer to ORDERING INFORMATION. 4. BER = 1-1, NX8567SAS: 24 km(432 ps/nm) BER = 1-1, NX8567SAM: 36 km (648 ps/nm) BER = 1-1, NX8567SA: 6 km (18 ps/nm) ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD, TLD = Tset, T C = -5 to +7 C, BOL) I m () Monitor Current (P f Monitor), V RPD = 5 V, I FLD = I op µa 1 2 I m (λp) Monitor Current (λp Monitor), V RPD = 5 V, I FLD = I op, Locking point µa 5 1 I m (λ) Operation Region % λ 1 -λ 2 pm 9 ηλ Discrimination Slope 1, V RPD = 5 V, I FLD = I op, Locking point µa/pm.24 I D Dark Current, VRPD = 5 V, V EA = V na 1 C t Terminal Capacitance, VRPD = 5 V, f = 1 MHz pf 15 γ 2 Tracking Error, Im() = const. db.5 1. Operating region, Discrimination slope, Slope assignment I1: Im (λp) I2: Im (λ) 2. Tracking error: γ (mw) λ1 λp λ2 Negative Slope I1 I2 η λ = [ µ A/pm] λ1 λ2 Operation region Locking point λ (nm) I2: Im (λp) I1: Im (λ) λ1 λp λ2 Positive Slope Operation region Locking point Pop TLD = Tset, TC = 25ûC TLD = Tset, TC = 2 to +7ûC γ = 1 log Pop [db] λ (nm) Im Im

3 ELECTRO-OPTICAL CHARACTERISTICS (Applicable to and TEC, T C = -5 to +7 C) ABSOLUTE MAXIMUM RATINGS 1 SYMBOLS PARAMETERS UNITS RATINGS Optical Output Power from Fiber mw 1 IFLD Forward Current of LD ma 15 VRLD Reverse Voltage of LD V 2. VFm Forward Voltage of Modulator V 1 VRm Reverse Voltage of Modulator V 5 IFPD Forward Current of PD ma 1 VRPD Reverse Voltage of PD V 1 IC Cooler Current A 1.5 VC Cooler Voltage V 2.5 TC Operating Case Temperature C -5 to +7 TSTG Storage Temperature C -4 to +85 TSLD Lead Soldering Temp. (3 s) C Operation in excess of any one of these parameters may result in permanent damage. R Resistance, TLD = 25 C kω B B Constant K I C Cooler Current, T LD = T set A 1.2 V C Cooler Voltage, T LD = T set V 2.4

4 ORDERING INFORMATION NX8567SA - CC: SC-UPC connector (standard) BC: FC-UPC connector (option) Wavelength code : Refer to Table A Without: 6 km (18 ps/nm) M : 36 km (648 ps/nm) S : 24 km (432 ps/nm) TABLE A: DWDM wavelengths based on ITU-T recommendations (@ TLD = Tset) Wavelength Code ITU-T Wavelength *1 Frequency ITU-T Wavelength Wavelength Code Frequency (nm) (THz) (nm) (THz) λ monitor slope: Channel frequency for THz + 2n.5 THz is assigned on negative slope. Channel frequency for THz + (2n + 1).5 THz is assigned on positive slope. n is a positive integer including zero.

5 OUTLINE DIMENSIONS (Units in mm) 1 MIN. 8.89±.13 OPTICAL FIBER CHARACTERISTICS PARAMETER UNITS SPECIFICATION Mode Field Diameter µm 9.3±.5 Cladding Diameter µm 125±1 Tight Buffer Diameter µm 9±1 Cut-off Wavelenght nm < 127 Attenuation 1525 to 1575 nm db/km <.3 Minimum Fiber Bending Radius mm 3 Fiber Length mm 1225 MIN Flammability ± ± ± φ MAX..9 UL1581VW-1 6. MAX. 12.7±.15 Optical Fiber (SMF) Length : 9 MIN. Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale. 8. Fiber Length: 9 mm MIN. Nose Pin No Fiber TOP VIEW #7 #1 + Cooler PD () LD PD (λp) #8 #14 PIN CONNECTIONS MOD Function Pin No. Function 8 GND 9 GND LD DC Bias (+) 1 PD (λp) Anode ( ) PD () Anode ( ) 11 LD/MOD GND PD (λp) and 12 Signal Input (MOD), PD () Cathode (+) 5 Ω RF Input Cooler (+) 13 LD/MOD GND Cooler ( ) 14 GND 35±2 mm -CC : SC-UPC connector -BC : FC-UPC connector 8.99±.5 mm 7/29/23