ModBox
Products in this range
Analog Optical TransmitterExail Analog Optical Transmitters pair linear LiNbO3 modulators with low-RIN lasers up to 65 GHz in C and O bands. Contact GFT International in…View Product
Carrier Suppression & Frequency Comb ModulationExail ModBox carrier suppression & frequency comb units provide precise CS-SSB optical frequency shifting. Contact GFT International in Türkiye.View Product
Custom Optical Systems & InstrumentsExail custom ModBox systems are engineered to customer specification by a dedicated photonics-RF team. Contact GFT International in Türkiye.View Product
ModBox for Coherent Beam Combining (CBC)Exail ModBox CBC delivers 4 or 8 independent phase-modulation channels for multibeam coherent beam combining. Contact GFT International in Türkiye.View Product
Optical Pulse Shaper & Laser Front EndExail ModBox pulse shapers and laser front ends: turn-key sub-nanosecond pulse transmitters with custom options. Contact GFT International in Türkiye.View Product
Reference Optical TransmitterExail Reference Optical Transmitter ModBoxes cover NRZ, DPSK, QPSK, QAM and PAM-4 up to 56 Gb/s across 850 nm to C-Band. Contact GFT International…View ProductOverview
ModBox systems integrate Exail lithium niobate modulators with lasers, RF electronics and control into ready-to-use optical transmitters for test benches and deployed systems. Configurations range from pulse shapers and laser front-ends to coherent beam combining, carrier suppression and frequency comb modulation, reference transmitters for datacom and optical ground stations, and analog RF-over-fiber transmitters, with custom systems available.
Key features
- Telecom modulation formats including (D)QPSK, PAM, DPSK and NRZ
- Sub-nanosecond optical pulse generation across 780 to 2000 nm
- Reference optical transmitters at 850 nm, 1064 nm, O-band and C-band, IEEE-compliant
- Analog transmitters combining a linear LiNbO3 modulator with a low-RIN laser and optional RF amplifier
- Custom optical systems and instruments on request
Specifications
- Reference transmitters: NRZ, DPSK, QPSK, QAM and PAM-4 up to 56 Gb/s
- Analog transmitters: C- and O-band operation up to 65 GHz (NIR versions up to 40 GHz)
Applications
- Telecom and datacom test and measurement
- Optical ground stations
- High-power lasers and coherent beam combining
- Quantum communication
- RF over fiber links
Need technical information about this product range?
Contact GFT for range selection, technical information and commercial inquiries.
Request Technical Information

