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Ultra-Fast Variable Photonic Time Delay Line – NanoSpeed™ Switching
50ns reconfiguration speedThe NSTD Series Photonic Time Delay generates variable time delay by selectively routing optical signals through N (<=8) fiber segments whose lengths increase successively by a power of 2 to form a N bit digital delay line. The NSTD allows customers to splice each fiber loop, creating increments of DT, up to the maximum value T. The switching between each loop is achieved using a patented non-mechanical configuration. The solid-state configuration eliminates the need for mechanical movement and organic materials. The device is designed to meet the most demanding switching requirements of ultra-high reliability and fast response time.
SKU: NSTD
Ultra-Fast Variable Photonic Time Delay Line - NanoSpeed™ Switching
The NSTD Series Photonic Time Delay generates variable time delay by selectively routing optical signals through N (<=8) fiber segments whose lengths increase successively by a power of 2 to form a N bit digital delay line. The NSTD allows customers to splice each fiber loop, creating increments of DT, up to the maximum value T. The switching between each loop is achieved using a patented non-mechanical configuration. The solid-state configuration eliminates the need for mechanical movement and organic materials. The device is designed to meet the most demanding switching requirements of ultra-high reliability and fast response time.| NSTD Series Photonic Delay Line | Min | Typical | Max | Unit |
| Central Wavelength | 850 | 1610 | nm | |
| Bit resolution [1] | 4 | 8 | ||
| Insertion Loss [2] | 4.0 | 5.2 | dB | |
| Cross Talk | 20 | 25 | dB | |
| Switching Time (fall, rise) | 300 | 400 | ns | |
| Repetition Rate [3] | 100 | kHz | ||
| Delay Time Range | ns | µs | ||
| PDL [4] | 0.3 | 1.0 | dB | |
| Return Loss | 45 | dB | ||
| Fiber type | SM fiber or PM fiber | |||
| Operating Temperature | 0 | 60 | oC | |
| Optical Power Handling [5] | 500 | mW | ||
| Storage Temperature | -5 | 85 | oC | |
| Package Dimension [6] | 19” mount rack | |||
[1]: TBD per customer’s request.
[2]: Measured at 4-bit device, excluding the loss of long delay fibers. 1dB additional loss will be added per bit after 4-bit.
[3]: for each switching core.
[4]: Defined at 4-bit delay line
[5]: Measured at 1550nm.
[6]: Mount rack height will be determined based the final delay.
