A double heterostructure Fabry-Perot edge-emitting laser in the AlGaAs/GaAs system emits in the neighborhood of 900 nm. The chip is 200 μm long. What is the wavelength difference between two adjacent modes?

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Q: The structure factor defines the amount of scattering from the planes hkl in the direction e defined…

A: Let us consider the Geometrical structure factor given by: Fhkl=∑j=1N fjhkl exp 2πihxj+kyj+lzjFhkl…

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A: Ans:- Image-1 Given data:Reflectivities R=98% or 0.98Amplifier length L=0.1 mmirror seperation d=0.3…

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Q: Estimate the fastest bit rate capable of being carried by light of wavelength 1-3 pr phone calls…

A: Givenλ=1.3 μm=1.3×10-6 mBand width of optical fiber=2 GHz

Q: ppose that intensity of a laser is (315 / π) W/m2. The rms electric field, in units of V/m…

A: Given data-I=315π W/m2∈0=8.86 × 10-12 C2Nm-2 c = 3 × 108 m/s

Q: B) Figure below shows an x-ray diffraction pattern for single crystal scandium nitride (ScN), having…

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A: Given Dataλ=530nmabsorption coefficient=3.2×104cm-1

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Q: Using the physics terms and expressions show that the efficiency of half wave rectifier is given by…

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Q: If the gain of the effective medium in a laser is (1.05), its mirror reflectivity coefficient (0.999…

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Q: = 5. Consider a dielectric mirror that is made up of quarter wave layers of GaAs with n and AlAs…

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Q: Briefly explain how we can change the barrier height and width experimentally in given structure.…

A: (a) In semiconductors, quantum wells are formed with materials such as Gallium Arsenide (GaAs)…

Q: calculate the Quality factor Q for a He-Ne laser that contains front mirror with 95% Reflexivity and…

A: Given,  Q=r1-r=0.951-0.95=19.5Width of the emission line calculated as…

Q: A single mode step index fibre in doped silica works at a wavelength of 1.31 micro metres. What is…

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Q: An SC laser diode is operating at a nominal wavelength of ? = 850 nm with output power of 40 mW. The…

A: Given:Attenuation constant, α = 7 dB/kmverdet constant, V = 2.52×10−6 rad/AAsked:How long must the…

Q: Q/ Given a TEM00 beam of 1 = 10.6 µm from CO2 laser with a minimum beam waist (W. = 1 mm) located at…

A: Note: As per Bartleby's rule, only one question should be answered. Kindly resubmit the other…

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Q: 1. We consider a HeNe laser operating at a wavelength 1-633 nm. The laser resonator is 0.8 m long.…

A: 1. Given that- The laser resonator is 0.8m long. The linewidth is broadened to 2Ghz due to doppler…

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Q: What takes the Debye-Waller factor into account? the reduction of diffracted X-ray intensity due to…

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Q: The wavelength of light emitted by an argon laser is ? = 488.0 nm. What is the frequency of these…

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Q: Find the peak power of a Q-switched ND: YAG laser producing 100 mJ, and 20 ns pulses. Find the…

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Q: what is the mode number nearest the line center of the 632.8 nm transition of HeNe laser? what. is…

A: Given Data: The wavelength of the Laser beam is 632.8 nm The spacing between the two mirrors in the…

Q: The mirrors of a He-Ne laser resonator having radii of curvature R₁ = 1.5 m and R2 = 2.0 m.…

A: The stability of a laser resonator is determined by the distance between the mirrors and the radii…

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Q: Optical Power. Show that the optical power flow in the z direction associated with the TE mode E,(y,…

A: Detailed solution is given below: