Zifeng Chen, Zhida Wang, Jiajun Lou, Quanan Chen, Chun Jiang, Juan Xia, Qiaoyin Lu, Weihua Guo. Thermo-Optically Tuned Multi-Channel Interference Wide-Range Tunable Laser (Invited)[J]. Acta Optica Sinica, 2024, 44(15): 1513012
- Acta Optica Sinica
- Vol. 44, Issue 15, 1513012 (2024)
Fig. 1. Schematic diagram of MCI laser
Fig. 2. Reflection spectra at different wavelengths after optimizing the arm length difference. (a) 1530 nm; (b) 1540 nm; (c) 1550 nm; (d) 1560 nm
Fig. 3. Microscope image of MCI laser
Fig. 4. Cross section structure schematic of MCI laser
Fig. 5. Basic performance of MCI laser. (a) Relationship curves between active region current and reverse biased SOA region photocurrent at different wavelengths; (b) relationship between output optical power and micro-heater power of single arm phase section
Fig. 6. Schematic diagram of TOSA packaging
Fig. 7. Characteristics of wavelength locker. (a) Output characteristics of wavelength locker; (b) relationship between S parameter and frequency at different temperatures
Fig. 8. Nano-ITLA. (a) Physical image; (b) principle block diagram
Fig. 9. Test results of MCI laser. (a) Lasing spectra overlay; (b) SMSR; (c) frequency deviation; (d) fiber coupled output power
Fig. 10. Stability test results of MCI laser. (a) Temperature deviation and wavelength drift; (b) output optical power for all wavelengths under different constant power requirements
Fig. 11. Test results of SOA section extinction ratio. (a) Spectra with different bias status of SOA section; (b) extinction ratios under all wavelengths
Fig. 12. Lorentzian linewidths of MCI laser under all wavelengths
Fig. 13. Total power consumption of Nano-ITLA
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