6. A GaAs laser diode operating at 850 nm has a 500 μm cavity length and a refractive index of n 3.7. The gain-wavelength relationship is Gaussian, given by: g(λ)-g(0) exp[-a-h)2 / 201 a) Calcula...
6. A GaAs laser diode operating at 850 nm has a 500 μm cavity length and a refractive index of n 3.7. The gain-wavelength relationship is Gaussian, given by: g(λ)-g(0) exp[-a-h)2 / 201 a) Calculate the frequency and wavelength spacing (Au) and Δλ). b) If at the halfpower point (g-0.5g(0)) we have λ-ho-2 nm, what is the spectral width of the gain, o?
6. A GaAs laser diode operating at 850 nm has a 500 μm cavity length and a refractive index of n 3.7. The gain-wavelength relationship is Gaussian, given by: g(λ)-g(0) exp[-a-h)2 / 201 a) Calculate the frequency and wavelength spacing (Au) and Δλ). b) If at the halfpower point (g-0.5g(0)) we have λ-ho-2 nm, what is the spectral width of the gain, o?