List of Publications, Conference presentations and Patents of Sandip Ghosh

Publications in Refereed Journals

Are AlN and GaN substrates useful for the growth of non-polar nitride films for UV emission? The oscillator strength perspective
Jayeeta Bhattacharyya, Sandip Ghosh and H. T. Grahn
Phys. Stat. Sol. (b) 246, 1184 (2009) PDF file


Electroreflectance lineshapes in multilayered semiconductor structures: Influence of the linear electro-optic effect
Jayeeta Bhattacharyya, Sandip Ghosh, B. M. Arora and T. J. C. Hosea
Phys. Rev. B 78, 195312 (2008) PDF file


Optical polarization properties of interband transitions in strained group-III-nitride alloy films on GaN substrates with nonpolar orientation
Jayeeta Bhattacharyya, Sandip Ghosh, and H. T. Grahn
Appl. Phys. Lett. 93, 051913 (2008) PDF file


Optical polarization properties of M-plane GaN films investigated by transmittance anisotropy spectroscopy
Jayeeta Bhattacharyya, Sandip Ghosh, B. M. Arora, O. Brandt, and H. T. Grahn
Appl. Phys. Lett. 91, 251913 (2007) PDF file


Polarization-dependent beam switch based on an M-plane GaN/AlN distributed Bragg reflector
D. M. Schaadt, O. Brandt, Sandip Ghosh, T. Flissikowski, U. Jahn, and H. T. Grahn
Appl. Phys. Lett. 90, 231117 (2007) PDF file


Very narrow-band ultraviolet photodetection based on strained M-plane GaN films
Sandip Ghosh, C. Rivera, J. L. Pau, E. Munoz, O. Brandt, and H. T. Grahn
Appl. Phys. Lett. 90, 091110 (2007) PDF file

[The above work was featured in the Research Review section of Compound Semiconductor magazine, April 2007 issue]

Electronic band structure of wurtzite InN around the fundamental gap in the presence of biaxial strain
Jayeeta Bhattacharyya, and Sandip Ghosh
Phys. Stat. Sol. (a) 204, 439 (2007) PDF file

Polarized photoluminescence and absorption in A-plane InN films
Jayeeta Bhattacharyya, Sandip Ghosh, M. R. Gokhale, B. M. Arora, H. Lu and W. J. Schaff
Appl. Phys. Lett. 89, 151910 (2006) PDF file

Polarized photo-voltage spectroscopy study of InAs/GaAs(001) quantum dot ensembles
Jayeeta Bhattacharyya, Sandip Ghosh, Stefan Malzer, G. H. Dohler and B. M. Arora
Appl. Phys. Lett. 87, 212101 (2005) PDF file

Wavelength modulation spectroscopy using novel mechanical light chopper blade designs
Jayeeta Bhattacharyya, Sandip Ghosh, and B. M. Arora
Rev. Sci. Instrum. 76, 083903 (2005) PDF file

Polarized photoreflectance spectroscopy of strained A-plane GaN films on R-plane sapphire
Sandip Ghosh, P. Misra, H. T. Grahn, B. Imer, Shuji Nakamura, S. P. DenBaars, and J. S. Speck
J. Appl. Phys. 98, 026105 (2005) PDF file

Postgrowth nondestructive characterization of dilute nitride VCSELs using electroreflectance spectroscopy
S. A. Choulis, T. J. C. Hosea, Sandip Ghosh, P. J. Klar, and M. Hofmann
IEEE Photonics Tech. Lett. 15, 1026 (2003) PDF file

Strained M-plane GaN for the realization of polarization-sensitive photo-detectors
Sandip Ghosh, O. Brandt, H. T. Grahn, and K. H. Ploog
Appl. Phys. Lett. 81, 3380 (2002) PDF file


Comparative study of the electronic band structure of strained C-plane and M-plane GaN films by polarized photoreflectance spectroscopy
Sandip Ghosh, P. Waltereit, A. Thamm, O. Brandt, H. T. Grahn, and K. H. Ploog
Phys. Stat. Sol. (a) 192, 72 (2002) PDF file

Electronic band structure of wurtzite GaN under biaxial strain in the M-plane investigated with photoreflectance spectroscopy
Sandip Ghosh, P. Waltereit, O. Brandt, H. T. Grahn, and K. H. Ploog
Phys. Rev. B 65, 075202 (2002) PDF file

Polarization dependent spectroscopic study of M-plane GaN on gamma-LiAlO_2
Sandip Ghosh, P. Waltereit, O. Brandt, H. T. Grahn, and K. H. Ploog
Appl. Phys. Lett. 80, 413 (2002) PDF file


Electroreflectance and surface photovoltage spectroscopies of semiconductor structures using an indium-tin-oxide coated glass electrode in soft contact mode
Shouvik Datta, Sandip Ghosh, and B. M. Arora
Rev. Sci. Instrum. 72, 177 (2001) PDF file

Photoreflectance lineshape of excitonic transitions with a redefined set of fitting parameters
Sandip Ghosh and H. T. Grahn
J. Appl. Phys. 90, 500 (2001) PDF file

Non-destructive spectroscopic characterisation of visible resonant cavity light emitting diode structures
Stephanie B. Constant, Sandip Ghosh, T. E. Sale, and T. J. C. Hosea
IEE Proc. Optoelectron. 148, 69 (2001) PDF file

Photoreflectance lineshape symmetry and quantum well ground state exciton energy in vertical-cavity surface-emitting laser structures

Sandip Ghosh, T. J. C. Hosea, and S. Constant
Appl. Phys. Lett. 78, 3250 (2001) PDF file


Recent developments in spectroscopy of quantum structures

B. M. Arora, Sandip Ghosh, Shouvik Dutta, Shailendra Kumar
Material Sci. Semicond. Process. 4, 489 (2001) PDF file


Edge emission electroluminescence study of as grown vertical-cavity surface-emitting laser structures

Sandip Ghosh, S. Constant, and T. J. C. Hosea
J. Appl. Phys. 88, 1432 (2000) PDF file


Nondestructive electroluminescence characterization of as-grown semiconductor optoelectronic device structures using indium-tin-oxide coated electrodes

Sandip Ghosh, and T. J. C. Hosea
Rev. Sci. Instrum., 71, 1911 (2000) PDF file

Resonances between the cavity mode and five excitonic transitions in an In_{x}Ga_{1-x}As/GaAs/AlAs/AlGaAs
vertical-cavity surface-emitting laser structure using photomodulated reflectance

Stelios Choulis, Sandip Ghosh  and T. J. C.Hosea

J. Appl. Phys., 88, 5547 (2000) PDF file


Spectroscopic study of self organised quantum dot like structures in Ga-In-P superlattices on (311) GaAs

Sandip Ghosh, B. M. Arora, Seong-Jin Kim, and Hajime Asahi

J. Appl. Phys., 85, 2687 (1999) PDF file


Spectroscopic study of Ga-In-P based self organised lateral compositional superlattices

Sandip Ghosh, B. M. Arora, Seong-Jin Kim and Hajime Asahi

Semicond. Sci. Tech., 14, 239 (1999) PDF file


Contactless electroreflectance study of interdiffusion in GaAs_{1-x}Sb_{x}/GaAs single quantum wells

Sandip Ghosh, B. M. Arora, K. P. Homewood, W. P. Gillin, O. M. Khreis and K. E. Singer

J. Phys. Condensed Matter, 10, 9865 (1998) PDF file


Polarization anisotropy in contactless electroreflectance spectrum of self organised lateral compositional superlattices

Sandip Ghosh, B. M. Arora, Seong-Jin Kim, and Hajime Asahi

Superlatt. Microstr., 24, 127 (1998) PDF file


Polarization anisotropy of sub band gap oscillatory features in contactless electroreflectance spectrum of

In_{x}Ga_{1-x}P layers grown on GaAs (001) substrates

Sandip Ghosh, B. M. Arora, T. K. Sharma, and M. R. Gokhale

J. Appl. Phys., 83, 5442 (1998) PDF file


Photoreflectance spectroscopy with white light pump beam

Sandip Ghosh and B. M. Arora

Rev. Sci. Instrum., 69, 1261 (1998) PDF file


Application of a Fourier transform based filtering technique to improve signal to noise ratio in

modulation spectroscopy experiments

Sandip Ghosh and B. M. Arora

Rev. Sci. Instrum., 68, 3260 (1997) PDF file


Interference effects in photoreflectance and contactless electroreflectance spectra of CdTe films grown on Si substrates

Sandip Ghosh and B. M. Arora

J. Appl. Phys., 81, 6968 (1997) PDF file


Double A.C. photoreflectance spectroscopy of semiconductors

Sandip Ghosh and B. M. Arora

IEEE J. Selected Topics in Quantum Electronics, 1, 1108 (1995) PDF file


(Some papers, where my contribution was not very significant, and some conference proceedings published in journals, have not been listed above.)

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Patent applications


Polarisationsdetektoren auf der Basis von M-plane GaN (Polarisation-sensitive detectors based on M-plane GaN)

S. Ghosh and H. T. Grahn

German patent application DP102 28 311.7, 25.06.2002


An apparatus for Electroreflectance and Surface Photovoltage Spectroscopies in Soft Contact mode

S. Datta, S. Ghosh and B. M. Arora

Indian patent application No. 846/Mum/2000


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Conference presentations (recent ones)


Polarization dependent spectroscopic study of InN (Poster)

Jayeeta Bhattacharyya, Sandip Ghosh, B. M. Arora, Hai Lu and W. J. Schaff

28th International Conf. on Physics of Semiconductors ICPS-06, Vienna, July 2006


Photoreflectance spectroscopy study of wurtzite GaN films with M-plane and A-plane orientations (Invited Talk)

Sandip Ghosh

2nd International Workshop on Modulation Spectroscopy of Semiconductor Structures, Wroclaw, Poland, July 2006


Polarized Luminescence and Absorption in III-V semiconductor heterostructures (Invited Talk)

Sandip Ghosh

National Conf. on Luminescence and its Applications (NCLA-06), Sant Gadge Baba Amravati University, Amravati, February 2006


Strained A-plane GaN films on R-plane sapphire substrate studied using polarized optical spectroscopy (Oral)

Sandip Ghosh, P. Misra, H. T. Grahn, B. Imer, Shuji Nakamura, S. P. DenBaars, and J. S. Speck

6th International Conference on Nitride Semiconductors, Bremen, Germany, August 2005


In plane optical polarization anisotropy of InAs/GaAs self assembled quantum dots (Poster)

Jayeeta Bhattacharyya, Sandip Ghosh, Stefan Malzer, G. H. Dohler, and B. M. Arora

12th International Conference on Modulated Semiconductor Structures, Albuquerque, U.S.A., July 2005


Semiconductor Vertical Cavity Surface Emitting Laser structures studied using photo-voltage spectroscopy (Poster)

Jayeeta Bhattacharyya, Sandip Ghosh, B. M. Arora, and R. Hey

4th National Laser Symposium, BARC, Mumbai, India, January 2005
[also published in the symposium proceedings]


Reflectance mapping of semiconductor Distributed Bragg Reflectors (Oral)

Jayeeta Bhattacharyya, Naresh Satyan, Sandip Ghosh, and B. M. Arora

Photonics-2004, Kochi, India, December 2004

[also published in the conference proceedings]


Comparative study of the electronic band structure of strained C-plane and M-plane GaN films by polarized photoreflectance spectroscopy (Oral)
Sandip Ghosh
, P. Waltereit, A. Thamm, O. Brandt, H. T. Grahn, and K. H. Ploog

4th International Symposium on Blue Lasers and Light Emitting Diodes, Cordoba, Spain, March 2002
[also published in symposium proceedings -> Phys. Stat. Sol.(a), 192, 72 (2002)]


Electronic band structure of strained C- and M-plane GaN films investigated by photoreflectance spectroscopy (Oral)

Sandip Ghosh, P. Waltereit, O. Brandt, H. T. Grahn, and K. H. Ploog

International Workshop on Nitrides, Achen, Germany, July 2002
[also published in workshop proceedings -> Phys. Stat. Sol. (b), 234, 882, (2002)]


Polarization-sensitive photo-detectors based on strained M-plane GaN (Poster)

Sandip Ghosh, Pranob Misra, O. Brandt, and H. T. Grahn

29th International Symposium on Compound Semiconductors, Lausanne, Switzerland, October 2002
[also published in symposium proceedings -> Inst. of Phys. Conf. Series #174, Section 5, 431 (2003)]


Electronic band structure of strained C- and M-plane GaN films investigated by photoreflectance spectroscopy (Poster)

Sandip Ghosh, P. Waltereit, O. Brandt, H. T. Grahn, and K. H. Ploog

26th International Conference on Physics of Semiconductors, Edinburgh, U.K., July 2002

[also published in the conference proceedings]


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