dynamically tunable laser - pgt-photonics.com · dynamically tunable laser dtl c13/l13 is a family...
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PGT Photonics is a wholly-owned subsidiary of CyOptics Inc.
©2008 PGT Photonics S.p.A. All rights reserved. Printed in Italy
Dynamically Tunable Laser
DTL C13/L13 is a family of tunable laser products able to address the requirements of DWDM optical networks, from metro, ultra long haul to 100G and coherent applications. Housed in a hermetically-sealed 26-pin-butterfly package, the PGT DTL is designed to tune over the entire C-band or L-band of ITU-T 25 GHz and 50 GHz channel grids.Wavelength locker is embedded into the external cavity to provide industry best stability and accuracy, making the DTL compliant to ITU 25GHz grid requirements. The external cavity laser design and the spectral purity of the linewidth is ideal for 40G/100G and coherent applications.The laser, fully Telcordia GR-468-CORE qualified, does not require moving parts to achieve tunability. The innovative cavity design makes DTL the simplest tunable laser to integrate in modules and network cards. Contact PGT engineers to have access to all the details of the capabilities of DTL C13/L13 tunable laser product family.
APPLICATIONS• Tunable modules and
network cards• 50GHz and 25GHz DWDM
(Custom grids available) • 40G/100G next generation
optical networks• Local Oscillator for
Coherent detection• Dynamic Add/Drop• Channel protection• Agile wavelength routing• Testing and measurement
FEATURES• Extended C-band or L-band
tunability• High power option
up to 16 dBm• Settable output power• Off-grid frequency detuning
functionality for coherent applications
• High frequency stability• Narrow linewidth
• External cavity laser in butterfly package• Extended C-band or L-band • ITU-T 25 GHz and 50 GHz• Embedded wavelength locker• Stability ± 1.5 GHz• Off-grid frequency detuning (up to ± 8 GHz)
• DTL C13/L13 Product Family
PGT Photonics S.p.A.Viale Sarca, 222 - 20126 Milan, ItalyPhone: +39 02 6442 66856E-mail: [email protected]: www.pgt-photonics.com
© 2008 PGT Photonics S.p.A. All rights reserved. Printed in Italy.
Features subject to change – not contractually valid unless specifically authorized by PGT Photonics S.p.A.
Dynamically Tunable Laser• Frequency detuning (up to ± 8 GHz)
• Stability ± 1.5 GHz• Optical power up to
16 dBm• 25GHz and 50GHz
ITU-T grids• Custom grids available
Pin Assignment
TEC Cathode26
GND13-14NC9-12Tuning Control 8Thermistor 226-7Thermistor 114-5Monitor PD Anode3Monitor PD Cathode2TEC Anode1
1 Ambient Thermistor2 Optical Bed Thermistor
LD Cathode25LD Anode24NC23Phase Adjuster21-22NC20Tuning control19NC15-18
FunctionPin #
GHz+8-8FDOff-grid frequency detuning
W3.52.5-PPower Dissipationns50-5FtTM Voltage rec. Fall time1
ns50 -5RtTM Voltage rec. Rise time1
Square – 100KHzTunable Mirror Voltage WaveformW0.2--PPAPhase Adjuster Power
kOhm10.5-9.5RthThermistor Resistance (T=25°C)V2.8--VTECTEC VoltageA1--ITECTEC Current
nA51-IdarkPDPD Monitor Dark CurrentmA/mW60-5RPDPD Responsivity
V2.21-VopLD Forward VoltagemA-250-IopLD Operative CurrentUnitMax.Typ.Min.SymbolItem
ELECTRO-OPTICAL CHARACTERISTICS(TCASE=-5 to +75°C over lifetime whereas otherwise specified)
1 89 channels or 100 channels. Tuning range is settable within the frequency range window 2 Discrete tuning function over the frequency grid specified in the ITU recommendations
Available also custom channel grids (i.e 33.3 / 37.5 GHz for submarine applications).3 Instantaneous 3 dB value4 Over 10 MHz – 10GHz frequency range, @ Pout=+13dBm5 Including connector – LD polarization output state is aligned to slow axis
s-20-Twarm-upWarm-up Time dBm-45--PoffTurn-off Optical Power dB--20PERPolarization Extinction Ratio5
GHz+1--1∆fsFrequency Stability (BOL) GHz+1.5--1.5∆fsFrequency Stability
dB/Hz-140-150-RINRelative Intensity Noise4
KHz500--∆nLinewidth3
dB-5045SMSRSide Mode Suppression RatiodB+0.5--0.5∆PoutOutput Power Stability
dBm+16-+8PoutOutput Power Setting (in fiber)
GHz-25/50-∆FChannel Spacing2
THz190.950 -186.200nrangeFrequency Range L-Band L13 050 THz196.250-191.150nrangeFrequency Range C-Band C13 050 nm40-35λrangeTuning Range1
UnitMax.Typ.Min.SymbolItemOPTICAL CHARACTERISTICS
Viewing the DTL output with magnifying instruments such as a fiberscope while the DTL device is on may cause damage to the eyes.
• DTL C13/L13 Product Family