1-MHz linewidth VCSEL enabled by monolithically integrated passive cavity for high-stability chip-scale atomic clocks

Key Points

• Enhanced stability measured at 1 MHz linewidth enhances performance of atomic clocks.
• Improvement allows for more accurate timekeeping in chip-scale technology.
• Assessment using a monolithically integrated passive cavity framework ensures reliability and efficiency.
• This innovation may enable broader applications for atomic clocks in various fields.