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Semiconductor gain module @ 775nm, QGM-780

Semiconductor gain module @ 775nm, QGM-780
Specifications Spectrum Pin Configuration Additional information
Online price: $3900.00
    • Traveling-wave design with InAs/GaAs chip
    • applicable for building tunable lasers with a fiber output
    • CW or pulsed operation
    • ~1m long fiber on one port; free space on the other
    • PM780 fiber NA=0.12, MFD=5.3+/1um
    • High gain 32dB typical
    • Broad band (755-790nm) gain
    • Strong linear polarization
    • RoHS compliance
    • Manufactured by Innolume, part number GM-780-20-PM-30dB
Details
Weight 0.10 lbs
Lead time 7-9 weeks ARO
 
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Specifications

Test conditions: CW operation, chip temperature 25°C, the case is mounted on room temperature heatsink.

Parameters Min. Typ. Max. Unit
Operating current (Iop)   300 400 mA
Forward voltage @ Iop   1.9 2.1 V
Gain
Small signal gain¹ ² 28 32   dB
Gain mean wavelength¹ 770 775 790 nm
Gain bandwidth¹ @ -3dB 15 20   nm
Gain saturation output power² @ -3dB 12 15   dBm
Noise figure³ ***   6.5   dB
ASE
ASE optical power ex fiber  8 12   mW
ASE mean wavelength 770 775 790 nm
ASE bandwidth @ -3dB 12 15   nm
ASE** spectrum ripples³    0.03 0.2 dB
ASE polarization extinction ratio 10 14   dB

¹ at -25dBm input optical power
² at wavelength of gain maximum
³ at wavelength of ASE maximum (RMS in 1nm range, 10pm resolution)
* without input light
** from output port
*** NF=10log10(2ρASE/Ghν) [D.Baney et al., Optical Fiber Techn. 6, 122 (2000)]

Absolute Maximum Rating

Parameters Min. Max. Unit
SOA reverse voltage   2 V
SOA CW forward current   400 mA
Input optical power   10 dBm
Thermo Electric Cooler current   3 A
Thermo Electric Cooler voltage   4 V
Fiber bend radius 3   cm
Chip operating temperature range 10 40 °C
Case operating temperature range 0 70 °C
Storage temperature range -40 85 °C

Thermistor Specification

Parameters Value Unit
Thermistor Type NTC -
Resistance at 25deg. C 10+/-0.1 kOhm
Beta (0-50 deg. C) 3375+/-1% K

 

Spectrum

Test conditions: CW operation, chip temperature 25°C, the case is mounted on room temperature heatsink.

(Note: TYPICAL PERFORMANCE for reference only, performance may vary from device to device and in different signal condition and usage. )

Pin Configuration

TOP VIEW (unit in mm)


Additional information

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For PM fiber coupled SOA, "key aligned FC/APC connector" is narrow key type with its key aligned to slow axis of the PM fiber and the polarization of the output. 

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