MITSUBISHI LASER DIODES ML7xx28 SERIES PRELIMINARY Notice: Some parametric limits are subject to change 10Gbps InGaAsP DFB LASER DIODE ML792E28/ML792H28 TYPE NAME DES CRIPTION APPLICATION ML7xx28 series are uncooled DFB (Distributed Feedback) laser diodes for 10Gbps transmission emitting light beam at 1310nm. /4 phase shifted grating structure is employed to obtain excellent SMSR performance under 10Gbps modulation. Furthermore, ML7xx28 is able to operate in the wide temperature range from 0 oC to 70 oC without temperature control. 10Gbps Ethernet/Short Reach ***S pecification Note FEATURES Type Matching Resistance :Rs ML792E28-01 ML792H28-01 42 1 ohm /4 phase shifted grating structure Wide temperature range operation ( 0 oC to 70 oC ) High side-mode-suppression-ratio (typical 45dB) High resonance frequency (typical 15GHz) Chip-on-carrier ABS OLUTE MAXIMUM RATINGS P arameter Symbol Conditions Ratings Unit CW 6 mW mA Po Output power If Laser forward current - 120 VRL Laser reverse voltage - 2 Tc Operation temperature - 0 ~ + 70 Storage temperature - -40 ~+ 100 Tstg V o C o C ELECTRICAL/OPTICAL CHARACTERIS TICS (Tc=25 C) o Symbol Ith P arameter Threshold current Conditions Min . - 8 20 - 20 30 mA mA - 30 60 40 80 mA mA 1.1 CW,P o=5mW CW,P o=5mW,Tc=70 oC Vop Operating voltage p Slope efficiency CW,P o=5mW CW,P o=5mW 0.15 Side mode suppression ratio CW,P o=5mW,Tc= 0 oC ~ +70 oC CW,P o=5mW,Tc= 0 oC ~ +70 oC Beam divergence angle (parallel) fr tr tf Un it CW,Tc=70 oC Operation current Max CW Iop SMSR Limits T yp 1. 8 - V mW /mA 1290 0.20 1310 1330 nm 30 45 - dB CW,P o=5mW - 25 40 d eg. (perpendicular) CW,P o=5mW - 30 47 d eg. - 15 - GHz - 30 30 40 50 p sec P eak wavelength Resonance frequency Rise time(20%-80%) Fall time(20%-80%) 10Gbps, Ex=7dB, P peak=5mW 10Gbps, Ex=7dB, P peak=5mW 4th order Bessel - Thompson Filter MIT S UB IS H I E L E CT RIC as of Nov, 2001 MITSUBISHI LASER DIODES ML7XX28 SERIES 10Gbps InGaAsP DFB-LASER DIODE OUTLINE DRAWINGS ML792E28 Beam Point (2) Rs Rs Beam Point (1) Case 2.1 0 .0 5 ML792H28 Beam Point (2) Rs Rs Rs (1) Case Beam Point 2.1 0.05 MIT S UB IS H I E L E CT RIC as of Nov, 2001