Questions and Answers
What property of a double-heterojunction laser scales as d^-1, where d is the height of the active region?
Gain
In semiconductor lasers, what is a benefit of further miniaturization of the active region?
Lower threshold currents
What is a characteristic of quantum film, quantum wire, and quantum dot lasers?
Discrete energy levels
What is the most unwanted property of a laser diode that results in the change of laser wavelength with temperature?
Signup and view all the answers
How does an external cavity concept overcome mode hop in laser diodes?
Signup and view all the answers
What additional components are integrated during laser crystal manufacturing to control the laser wavelength and coherence properties?
Signup and view all the answers
What effect does reduced dimensionality structures have on semiconductor lasers?
Signup and view all the answers
What is the concept that makes use of a diffraction grating at the Littrow configuration to overcome mode hop in laser diodes?
Signup and view all the answers
What is a significant benefit of quantum film, quantum wire, and quantum dot lasers compared to conventional heterostructures?
Signup and view all the answers
