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Ultra narrow
bandwidth filters
In this IXC-FBG-PS design, a Phase Shift (PS) is introduced within the middle of the stop band. This PS will lead to a sharp resonance peak visible in the transmission spectrum response and features less than 1 dB of insertion loss.
Features
- Very narrowband transmission filter lower than 1 GHz bandwidth
- Low insertion loss at resonant peak
- Tailored transmission by changing the location and amount of phase shift
- High temperature stability within a 1 pm/°C
- Tunability +/- 100 pm
- Microwave photonics
- Quantum communication
- Space communication
- Lidar
- Lines filtering for lasers and sensors
- RF filtering
- Linewidth reduction
- Frequency discriminator
