Abstract
A continuously tunable integrated optical delay line architecture with large bandwidth and bandwidth-delay product is proposed and demonstrated. The non-resonant delay line is based on cascaded Mach-Zehnder interferometers with tunable couplers. The device is operated with a single control signal and outperforms the common ring-resonator-based delay lines in terms of bandwidth-delay product. A device with a delay tuning range of 124 ps is experimentally demonstrated over a transmission bandwidth of 4.5 GHz.
| Original language | English |
|---|---|
| Article number | 8438506 |
| Pages (from-to) | 1830-1833 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 30 |
| Issue number | 21 |
| DOIs | |
| Publication status | Published - 1 Nov 2018 |
| Externally published | Yes |
Keywords
- integrated optics devices
- Mach-Zehnder interferometer
- Optical delay lines
- optical filter
- true-time delay
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