Syntune S3500 – Preliminary
Full C-band tunable laser module
The Syntune S3500 is a tunable laser module, based on Syntune's modulated grating Y-branch (MG–Y) laser design. The MG–Y laser is a monolithic device, similar to a common distributed Bragg reflector (DBR) laser, and can tuned by current injection to address any wavelength in the C-band.
The laser chip in the S3500 module has an integrated semiconductor optical amplifier (SOA), which gives the device a high output power (> 13 dBm), offers the flexibility to adjust the output power over a wide range (> 4 dB) on the fly, and allows light to be blocked while tuning from one channel to another.
The devices are packaged into a compact, low-profile hermetically sealed package, with an integrated optical isolator and wavelength locker, which allows the emission frequency to be stabilised to within ±2.5 GHz over life.
Datasheet
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Key features
- Full C-band tuning (89 channels at 50 GHz spacing)
- High, flexibly adjustable output power, from 9 to > 13 dBm
- Low power consumption, typically < 2.5 W at 75°C
- High side-mode suppression ratio > 40 dB
- Independent power and wavelength control
- Dark tuning by reverse biasing the integrated amplifier (> 40 dB suppression)
- Fast tuning, inherent laser switching time < 50 ns
- Integral wavelength locker, allowing stabilisation to within ±2.5 GHz over life, compatible with 50 GHz ITU grid spacing
- Polarisation maintaining fiber pigtail
Applications
- DWDM transmission systems
- Tunable DWDM transponders and transceivers
- Dynamic provisioning and wavelength routing in metro DWDM systems
- Reconfigurable optical add/drop multiplexers (ROADM)
- Optical packet or burst-mode switching