Can you create high-energy photons using multiple low-energy photons?
69107
Is it possible to combine two photons of different energies to get a single photon of a higher (combined) energy?
41041
Does a photon instantaneously gain $c$ speed when emitted from an electron?
99735
Are there any theoretical limits on the energy of a photon?
37941
Can light travel slower than the maximum?
149033
photon electron interaction such that the photon energy does not correspond to any state change
103322
How can a red light photon be different from a blue light photon?
49047
Redshifted Photon Energy
118021
How do you "store" a photon?
144886
How many possible electromagnetic wavelengths are possible?
157497
During reflection does the emitted photon have same properties?
86156
Do photons have a duration?
92358
Can bosons that are composed of several fermions occupy the same state?
31390
What prevents photons from getting mass from higher order Feynman diagrams
2191
Is there a maximum amount of photons that can exist in a certain amount of space?
88401
How is the amplitude of light related to number of photons?
103401
Can someone explain in a simple manner that How can we use Quantum entanglement to transfer data instantly when we seperate photons?
58463
How are photons "consumed"?