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Questions related from Arpit Arvind Khandelwal
I am transmitting my RF signal through atmosphere at a range of 10 kms. But it seems range is limited by environmental noise floor. Is there any way through signal processing that can mitigate the...
15 February 2019 5,391 3 View
Suppose a highly intense laser beam of 10 kW is incident on a mirror and a lens. Which of the two can withstand the power without getting damaged.
18 November 2018 6,664 17 View
An optical gyro rotating at very less velocity may generate an output signal in milliHertz range. Is it possible to detect such signals?
09 September 2018 8,920 3 View
The emission wavelength of active part of laser cavity depends upon the bandgap of material, while the allowed oscillation frequencies of passive part depends upon cavity length. How these 2...
03 September 2018 877 4 View
If an optical signal of 1550 nm wavelength is incident on a pin photodiode, what will be the nature of its output photocurrent ?
19 August 2018 1,030 23 View
I want a wireless transceiver module for remote sensing application with range about 10km. Xbee would not be sufficient. Can anyone suggest an alternative?
11 April 2018 7,943 9 View
If two or more beams are overlapped or combined at a point in space, what will be the resultant spot size at the point of combination?
17 August 2017 9,181 2 View
Is there a concept of optical oscillators (like an electronic LC oscillator) or a tunable laser can be used as an oscillator?
09 June 2017 1,722 3 View
In Stimulated Brillouin Scattering, there is an interaction between optical and acoustic wave. On what parameters does the frequency of this acoustic wave depends ?
22 May 2016 7,197 10 View
I could not find much papers on demonstration of SBS in integrated semiconductor waveguides. I wonder if it is possible at all.
20 March 2016 5,446 0 View
When two counter-traveling modes produce a standing wave pattern in a semiconductor ring laser, population inversion grating is formed which couples one mode to another, leading in unidirectional...
15 March 2016 8,905 6 View
I wish to know the fabrication difficulties limiting the manufacture of very low surface sidewall roughness in III-V optical waveguides?
02 March 2016 8,656 1 View
What does 'k' refers to in a E-k diagram ? Is it a wavevector or something else?
28 February 2016 1,415 12 View
I have complex values of a periodic signal which is clearly visible in time domain. But I want to find its frequency content ? FFT is not working with me and I am looking for alternate ways to...
31 December 2015 6,645 19 View
I want to learn optical waveguide analysis using methods such as FD, FDTD, BPM and EIM, but I am not sure how and where to start ? Any guidance will be helpful.
15 October 2015 1,365 11 View
What will be the output if I have 2 optical signals with same frequency and same power (say 1 W) at the input of a power combiner and a 2x1 optical coupler ?
01 August 2015 9,843 2 View
How will a Lithium Niobate crystal respond to two light waves with different phases passing through it simultaneously?
14 May 2015 2,305 5 View
I want to sustain SBS in a fiber ring resonator which contains a SOA inside it. What are the conditions on the power and drive current of SOA to achieve SBS lasing?
06 May 2015 8,078 4 View
I wish to suppress the carrier wave from the phase modulated output of an Electrooptic phase modulator and use only the sidebands.
27 April 2015 8,077 5 View
What are the reasons and effects of non linear coupling of optical waves inside a semiconductor laser?
01 April 2015 9,553 6 View
If the Quasi Fermi level in a semiconductor diode changes then what will be the effects on the voltage across its terminals?
30 March 2015 5,105 6 View
What is the difference between the homogeneous and inhomogeneous atomic line broadening in lasers?
30 March 2015 5,702 20 View
How does the conservative coupling in the fiber ring cavity affect the two counter-propagating waves in a ring laser?
24 February 2015 7,733 2 View
What is the output of a Y-junction coupler?
15 January 2015 9,543 3 View
What is the effect of these phenomena on the working of Semiconductor ring laser gyroscope?
13 January 2015 7,605 4 View
Two laser beams whose frequencies differ by 50 kHz are made to interfere. What will be the output ?
01 January 2015 9,457 14 View
The intended application is to apply capacitor bank for Electromagnetic metal forming of metal sheets.
24 July 2014 792 1 View
What are the ways to find out the Brillouin and Raman thresholds of an optical fiber?
23 July 2014 6,132 3 View
Does anyone know the reason for poor sensitivity and commercial unavailability of Resonant Fiber Optic Gyro (RFOG)?
29 June 2014 3,549 2 View
Commercial availability of RFOG.
05 June 2014 1,858 2 View
What drawbacks do other wavelengths have?
25 April 2014 4,553 22 View
I want to use a highly coherent and tunable laser source for gyro application. Out of fiber laser and diode laser which one will be better?
21 April 2014 1,907 5 View
Working principle of ring laser gyroscopes.
26 March 2014 5,704 2 View
Reason for absence of holes in conductors.
18 January 2014 9,383 7 View
Barrier layer above quantum well.
24 October 2013 2,182 1 View
