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LC25W4532ABJ34 Scheda tecnica(PDF) 2 Page - Bookham, Inc. |
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LC25W4532ABJ34 Scheda tecnica(HTML) 2 Page - Bookham, Inc. |
2 / 6 page Data Sheet 2 Parameters Parameter Conditions Min Typ Max Unit Threshold current (I th) 10 22 mA Slope efficiency by product 2 mW 0.04 0.09 3 mW 0.06 0.13 4 mW 0.08 0.17 7 mW 0.143 0.43 RF input reflection coef (S 11) [1] -10 dB Forward voltage 1.3 1.8 V Peak wavelength ( λ p) [2] 1527 1605 nm Dispersion penalty at 360 km [3] 2 dB Time averaged spectral linewidth -20 dB 0.1 0.6 nm Side-mode suppression 32 40 dB Optical rise/fall time [4] 125 ps Monitor photo current Unlocked 50 250 1200 µA Etalon locked 40 250 360 Monitor dark current 100 nA Thermistor resistance 10 k Heatpump current 70°C case temperature 250 600 900 mA Heatpump voltage 70°C case temperature 1.0 2.4 V Change of λ p with laser temp. 15°C to 35°C 0.09 nm/°C Change in λ over life and Unlocked [5] -45 +145 pm operating conditions Optical Spectral Window Locked, over life & temperature -9 +9 GHz including chirp [5] [1] 50 measurement system, f = dc - 3GHz. [2] Submount temperature between 20°C to 35°C start of life to achieve required λ p. For the 10mW version, submount temperature is between 15°C to 35°C start of life. [3] Standard product dispersion penalty will be compliant to the specified link length of 360km using an extinction ratio of 10dB. Fiber dispersion characteristics are derived from the following equation. Where So =0.092 ps/(nm2.km) and λ = 1302nm. [4] Measurements determined from 20 - 80% pk - pk. [5] For more information on wavelength control and drift over life refer to applications note DR1670. To give symmetrical wavelength performance about the ITU channel wavelength (+/-95pm) offset the laser wavelength by –50pm at start of life set up. ) . /( ) ( 4 ) ( 3 4 0 km nm ps So D = - |
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