#timescale [ns]	intensity [c/s]		journal/year/thermal/spdc
23.2		260589596539		cqt2021, thermal subthreshold laser
10000		1000000			natcomm2015, thermal microspheres = Optical aperture synthesis with electronically connected telescopes
0.37		200000			mnras2016, thermal, filtered sunlight = optical intensity interferometry through atmospheric turbulence
0.43		115000			apjl2014, thermal, hg lamp = measuring temporal photon bunching in blackbody radiation
1000		101000			appliedoptics2012, thermal, rotating ground glass = Thermal-light-based ranging using second-order coherence
10		1000000000000		appliedsciences2018, thermal, erbium doped fiber amplified spontaneous emission = Ghost Spectroscopy with Classical Correlated Amplified Spontaneous Emission Photons Emitted by An Erbium-Doped Fiber Amplifier
10		7300000000000		laserphysicsletters2017, thermal, tapered amplifier superluminescent diode = Second-order coherence properties of amplified spontaneous emission from a high-power tapered superluminescent diode

0.1		567000000		prl2015, spdc, mgoppln = Entanglement-Enhanced Sensing in a Lossy and Noisy Environment
0.1		12000000		prx2021, spdc, 4wm = microring resonator, Ultra-bright entangled-photon pair generation from an AlGaAs-on-insulator microring resonator
0.1		1300000			pra2019, 4wm, 4wm = Quantum-enhanced standoff detection using correlated photon pairs
0.1		100000			apl2018, spdc, bbo: High delity eld stop collection for polarization-entangled photon pair sources