Single Wavelength Laser TO-CAN Integrated with One-Chip Wavelength Locker

A φ5.6-mm TO-CAN packaged light source module integrated with a Si photonics-based wavelength locker chip has been fabricated with a frequency shift of less than ±1.1 GHz, small enough to achieve wavelength locking operation with a compact TO-CAN package for short-reach coherent communication.