A stabilized laser comprising: a laser to produce light at a frequency; a resonator coupled to the laser such that the light from the laser circulates therethrough; Pound-Drever-Hall, PDH, feedback electronics configured to adjust the frequency of the light from the laser to reduce phase noise in response to light sensed at a reflection port of the resonator ; and transmission mode feedback electronics configured to adjust the frequency of the light from the laser toward resonance of the resonator at the transmission port in response to the light sensed at the transmission port of the resonator , wherein the transmission mode feedback electronics adjust the frequency at a rate at least ten times slower than the PDH feedback electronics; a master laser coupled to the PDH feedback electronics and to the resonator , the master laser to produce a reference light to propagate through a first phase-lock loop, PLL , wherein the PDH feedback electronics are configured to reduce phase noise in the reference light by adjusting a frequency of the master laser toward resonance at the reflection port, wherein the laser comprises a first slave laser to produce a first slave light; the first PLL coupled to the transmission mode feedback electronics , the first PLL to beat the first slave light with the reference light and to drive the first slave laser such that the first slave light is locked to the reference light; wherein the transmission mode feedback electronics are configured to adjust a set-point of the first slave laser and to provide a first beat frequency to the first PLL such that the first slave light is locked at a frequency difference from the reference laser equal to the first beat frequency. a laser to produce light at a frequency; a resonator coupled to the laser such that the light from the laser circulates therethrough; Pound-Drever-Hall, PDH, feedback electronics configured to adjust the frequency of the light from the laser to reduce phase noise in response to light sensed at a reflection port of the resonator ; and transmission mode feedback electronics configured to adjust the frequency of the light from the laser toward resonance of the resonator at the transmission port in response to the light sensed at the transmission port of the resonator , wherein the transmission mode feedback electronics adjust the frequency at a rate at least ten times slower than the PDH feedback electronics; a master laser coupled to the PDH feedback electronics and to the resonator , the master laser to produce a reference light to propagate through a first phase-lock loop, PLL , wherein the PDH feedback electronics are configured to reduce phase noise in the reference light by adjusting a frequency of the master laser toward resonance at the reflection port, wherein the laser comprises a first slave laser to produce a first slave light; the first PLL coupled to the transmission mode feedback electronics , the first PLL to beat the first slave light with the reference light and to drive the first slave laser such that the first slave light is locked to the reference light; wherein the transmission mode feedback electronics are configured to adjust a set-point of the first slave laser and to provide a first beat frequency to the first PLL such that the first slave light is locked at a frequency difference from the reference laser equal to the first beat frequency. <EOS>